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authorIngo Molnar <mingo@kernel.org>2019-02-11 14:27:05 +0100
committerIngo Molnar <mingo@kernel.org>2019-02-11 14:27:05 +0100
commit41b8687191cfd0326db03b0e82fb09d8c98ca641 (patch)
treea214babca0a181c67c25a615d608465a5f92f8c4
parent49262de2270e09882d7bd8866a691cdd69ab32f6 (diff)
parentbdf37b4dd35d2517cadc10735cd33022da7df133 (diff)
downloadlinux-stericsson-41b8687191cfd0326db03b0e82fb09d8c98ca641.tar.gz
Merge branch 'locking/atomics' into locking/core, to pick up WIP commits
Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--Kbuild18
-rw-r--r--MAINTAINERS1
-rw-r--r--arch/arm64/include/asm/atomic.h237
-rw-r--r--arch/arm64/include/asm/atomic_ll_sc.h28
-rw-r--r--arch/arm64/include/asm/atomic_lse.h38
-rw-r--r--arch/arm64/include/asm/cmpxchg.h60
-rw-r--r--arch/arm64/include/asm/sync_bitops.h16
-rw-r--r--include/asm-generic/atomic-instrumented.h1658
-rw-r--r--include/asm-generic/atomic-long.h1173
-rw-r--r--include/linux/atomic-fallback.h2294
-rw-r--r--include/linux/atomic.h1241
-rwxr-xr-xscripts/atomic/atomic-tbl.sh186
-rwxr-xr-xscripts/atomic/atomics.tbl41
-rwxr-xr-xscripts/atomic/check-atomics.sh19
-rwxr-xr-xscripts/atomic/fallbacks/acquire9
-rwxr-xr-xscripts/atomic/fallbacks/add_negative16
-rwxr-xr-xscripts/atomic/fallbacks/add_unless16
-rwxr-xr-xscripts/atomic/fallbacks/andnot7
-rwxr-xr-xscripts/atomic/fallbacks/dec7
-rwxr-xr-xscripts/atomic/fallbacks/dec_and_test15
-rwxr-xr-xscripts/atomic/fallbacks/dec_if_positive15
-rwxr-xr-xscripts/atomic/fallbacks/dec_unless_positive14
-rwxr-xr-xscripts/atomic/fallbacks/fence11
-rwxr-xr-xscripts/atomic/fallbacks/fetch_add_unless23
-rwxr-xr-xscripts/atomic/fallbacks/inc7
-rwxr-xr-xscripts/atomic/fallbacks/inc_and_test15
-rwxr-xr-xscripts/atomic/fallbacks/inc_not_zero14
-rwxr-xr-xscripts/atomic/fallbacks/inc_unless_negative14
-rwxr-xr-xscripts/atomic/fallbacks/read_acquire7
-rwxr-xr-xscripts/atomic/fallbacks/release8
-rwxr-xr-xscripts/atomic/fallbacks/set_release7
-rwxr-xr-xscripts/atomic/fallbacks/sub_and_test16
-rwxr-xr-xscripts/atomic/fallbacks/try_cmpxchg11
-rwxr-xr-xscripts/atomic/gen-atomic-fallback.sh181
-rwxr-xr-xscripts/atomic/gen-atomic-instrumented.sh182
-rwxr-xr-xscripts/atomic/gen-atomic-long.sh101
36 files changed, 5894 insertions, 1812 deletions
diff --git a/Kbuild b/Kbuild
index 65db5bef2e36..4a4c47c38d1d 100644
--- a/Kbuild
+++ b/Kbuild
@@ -6,7 +6,8 @@
# 2) Generate timeconst.h
# 3) Generate asm-offsets.h (may need bounds.h and timeconst.h)
# 4) Check for missing system calls
-# 5) Generate constants.py (may need bounds.h)
+# 5) check atomics headers are up-to-date
+# 6) Generate constants.py (may need bounds.h)
#####
# 1) Generate bounds.h
@@ -59,7 +60,20 @@ missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
$(call cmd,syscalls)
#####
-# 5) Generate constants for Python GDB integration
+# 5) Check atomic headers are up-to-date
+#
+
+always += old-atomics
+targets += old-atomics
+
+quiet_cmd_atomics = CALL $<
+ cmd_atomics = $(CONFIG_SHELL) $<
+
+old-atomics: scripts/atomic/check-atomics.sh FORCE
+ $(call cmd,atomics)
+
+#####
+# 6) Generate constants for Python GDB integration
#
extra-$(CONFIG_GDB_SCRIPTS) += build_constants_py
diff --git a/MAINTAINERS b/MAINTAINERS
index 8c68de3cfd80..8b95aa5363dd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2609,6 +2609,7 @@ L: linux-kernel@vger.kernel.org
S: Maintained
F: arch/*/include/asm/atomic*.h
F: include/*/atomic*.h
+F: scripts/atomic/
ATTO EXPRESSSAS SAS/SATA RAID SCSI DRIVER
M: Bradley Grove <linuxdrivers@attotech.com>
diff --git a/arch/arm64/include/asm/atomic.h b/arch/arm64/include/asm/atomic.h
index 9bca54dda75c..1f4e9ee641c9 100644
--- a/arch/arm64/include/asm/atomic.h
+++ b/arch/arm64/include/asm/atomic.h
@@ -42,124 +42,131 @@
#define ATOMIC_INIT(i) { (i) }
-#define atomic_read(v) READ_ONCE((v)->counter)
-#define atomic_set(v, i) WRITE_ONCE(((v)->counter), (i))
-
-#define atomic_add_return_relaxed atomic_add_return_relaxed
-#define atomic_add_return_acquire atomic_add_return_acquire
-#define atomic_add_return_release atomic_add_return_release
-#define atomic_add_return atomic_add_return
-
-#define atomic_sub_return_relaxed atomic_sub_return_relaxed
-#define atomic_sub_return_acquire atomic_sub_return_acquire
-#define atomic_sub_return_release atomic_sub_return_release
-#define atomic_sub_return atomic_sub_return
-
-#define atomic_fetch_add_relaxed atomic_fetch_add_relaxed
-#define atomic_fetch_add_acquire atomic_fetch_add_acquire
-#define atomic_fetch_add_release atomic_fetch_add_release
-#define atomic_fetch_add atomic_fetch_add
-
-#define atomic_fetch_sub_relaxed atomic_fetch_sub_relaxed
-#define atomic_fetch_sub_acquire atomic_fetch_sub_acquire
-#define atomic_fetch_sub_release atomic_fetch_sub_release
-#define atomic_fetch_sub atomic_fetch_sub
-
-#define atomic_fetch_and_relaxed atomic_fetch_and_relaxed
-#define atomic_fetch_and_acquire atomic_fetch_and_acquire
-#define atomic_fetch_and_release atomic_fetch_and_release
-#define atomic_fetch_and atomic_fetch_and
-
-#define atomic_fetch_andnot_relaxed atomic_fetch_andnot_relaxed
-#define atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire
-#define atomic_fetch_andnot_release atomic_fetch_andnot_release
-#define atomic_fetch_andnot atomic_fetch_andnot
-
-#define atomic_fetch_or_relaxed atomic_fetch_or_relaxed
-#define atomic_fetch_or_acquire atomic_fetch_or_acquire
-#define atomic_fetch_or_release atomic_fetch_or_release
-#define atomic_fetch_or atomic_fetch_or
-
-#define atomic_fetch_xor_relaxed atomic_fetch_xor_relaxed
-#define atomic_fetch_xor_acquire atomic_fetch_xor_acquire
-#define atomic_fetch_xor_release atomic_fetch_xor_release
-#define atomic_fetch_xor atomic_fetch_xor
-
-#define atomic_xchg_relaxed(v, new) xchg_relaxed(&((v)->counter), (new))
-#define atomic_xchg_acquire(v, new) xchg_acquire(&((v)->counter), (new))
-#define atomic_xchg_release(v, new) xchg_release(&((v)->counter), (new))
-#define atomic_xchg(v, new) xchg(&((v)->counter), (new))
-
-#define atomic_cmpxchg_relaxed(v, old, new) \
- cmpxchg_relaxed(&((v)->counter), (old), (new))
-#define atomic_cmpxchg_acquire(v, old, new) \
- cmpxchg_acquire(&((v)->counter), (old), (new))
-#define atomic_cmpxchg_release(v, old, new) \
- cmpxchg_release(&((v)->counter), (old), (new))
-#define atomic_cmpxchg(v, old, new) cmpxchg(&((v)->counter), (old), (new))
-
-#define atomic_andnot atomic_andnot
+#define arch_atomic_read(v) READ_ONCE((v)->counter)
+#define arch_atomic_set(v, i) WRITE_ONCE(((v)->counter), (i))
+
+#define arch_atomic_add_return_relaxed arch_atomic_add_return_relaxed
+#define arch_atomic_add_return_acquire arch_atomic_add_return_acquire
+#define arch_atomic_add_return_release arch_atomic_add_return_release
+#define arch_atomic_add_return arch_atomic_add_return
+
+#define arch_atomic_sub_return_relaxed arch_atomic_sub_return_relaxed
+#define arch_atomic_sub_return_acquire arch_atomic_sub_return_acquire
+#define arch_atomic_sub_return_release arch_atomic_sub_return_release
+#define arch_atomic_sub_return arch_atomic_sub_return
+
+#define arch_atomic_fetch_add_relaxed arch_atomic_fetch_add_relaxed
+#define arch_atomic_fetch_add_acquire arch_atomic_fetch_add_acquire
+#define arch_atomic_fetch_add_release arch_atomic_fetch_add_release
+#define arch_atomic_fetch_add arch_atomic_fetch_add
+
+#define arch_atomic_fetch_sub_relaxed arch_atomic_fetch_sub_relaxed
+#define arch_atomic_fetch_sub_acquire arch_atomic_fetch_sub_acquire
+#define arch_atomic_fetch_sub_release arch_atomic_fetch_sub_release
+#define arch_atomic_fetch_sub arch_atomic_fetch_sub
+
+#define arch_atomic_fetch_and_relaxed arch_atomic_fetch_and_relaxed
+#define arch_atomic_fetch_and_acquire arch_atomic_fetch_and_acquire
+#define arch_atomic_fetch_and_release arch_atomic_fetch_and_release
+#define arch_atomic_fetch_and arch_atomic_fetch_and
+
+#define arch_atomic_fetch_andnot_relaxed arch_atomic_fetch_andnot_relaxed
+#define arch_atomic_fetch_andnot_acquire arch_atomic_fetch_andnot_acquire
+#define arch_atomic_fetch_andnot_release arch_atomic_fetch_andnot_release
+#define arch_atomic_fetch_andnot arch_atomic_fetch_andnot
+
+#define arch_atomic_fetch_or_relaxed arch_atomic_fetch_or_relaxed
+#define arch_atomic_fetch_or_acquire arch_atomic_fetch_or_acquire
+#define arch_atomic_fetch_or_release arch_atomic_fetch_or_release
+#define arch_atomic_fetch_or arch_atomic_fetch_or
+
+#define arch_atomic_fetch_xor_relaxed arch_atomic_fetch_xor_relaxed
+#define arch_atomic_fetch_xor_acquire arch_atomic_fetch_xor_acquire
+#define arch_atomic_fetch_xor_release arch_atomic_fetch_xor_release
+#define arch_atomic_fetch_xor arch_atomic_fetch_xor
+
+#define arch_atomic_xchg_relaxed(v, new) \
+ arch_xchg_relaxed(&((v)->counter), (new))
+#define arch_atomic_xchg_acquire(v, new) \
+ arch_xchg_acquire(&((v)->counter), (new))
+#define arch_atomic_xchg_release(v, new) \
+ arch_xchg_release(&((v)->counter), (new))
+#define arch_atomic_xchg(v, new) \
+ arch_xchg(&((v)->counter), (new))
+
+#define arch_atomic_cmpxchg_relaxed(v, old, new) \
+ arch_cmpxchg_relaxed(&((v)->counter), (old), (new))
+#define arch_atomic_cmpxchg_acquire(v, old, new) \
+ arch_cmpxchg_acquire(&((v)->counter), (old), (new))
+#define arch_atomic_cmpxchg_release(v, old, new) \
+ arch_cmpxchg_release(&((v)->counter), (old), (new))
+#define arch_atomic_cmpxchg(v, old, new) \
+ arch_cmpxchg(&((v)->counter), (old), (new))
+
+#define arch_atomic_andnot arch_atomic_andnot
/*
- * 64-bit atomic operations.
+ * 64-bit arch_atomic operations.
*/
-#define ATOMIC64_INIT ATOMIC_INIT
-#define atomic64_read atomic_read
-#define atomic64_set atomic_set
-
-#define atomic64_add_return_relaxed atomic64_add_return_relaxed
-#define atomic64_add_return_acquire atomic64_add_return_acquire
-#define atomic64_add_return_release atomic64_add_return_release
-#define atomic64_add_return atomic64_add_return
-
-#define atomic64_sub_return_relaxed atomic64_sub_return_relaxed
-#define atomic64_sub_return_acquire atomic64_sub_return_acquire
-#define atomic64_sub_return_release atomic64_sub_return_release
-#define atomic64_sub_return atomic64_sub_return
-
-#define atomic64_fetch_add_relaxed atomic64_fetch_add_relaxed
-#define atomic64_fetch_add_acquire atomic64_fetch_add_acquire
-#define atomic64_fetch_add_release atomic64_fetch_add_release
-#define atomic64_fetch_add atomic64_fetch_add
-
-#define atomic64_fetch_sub_relaxed atomic64_fetch_sub_relaxed
-#define atomic64_fetch_sub_acquire atomic64_fetch_sub_acquire
-#define atomic64_fetch_sub_release atomic64_fetch_sub_release
-#define atomic64_fetch_sub atomic64_fetch_sub
-
-#define atomic64_fetch_and_relaxed atomic64_fetch_and_relaxed
-#define atomic64_fetch_and_acquire atomic64_fetch_and_acquire
-#define atomic64_fetch_and_release atomic64_fetch_and_release
-#define atomic64_fetch_and atomic64_fetch_and
-
-#define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot_relaxed
-#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot_acquire
-#define atomic64_fetch_andnot_release atomic64_fetch_andnot_release
-#define atomic64_fetch_andnot atomic64_fetch_andnot
-
-#define atomic64_fetch_or_relaxed atomic64_fetch_or_relaxed
-#define atomic64_fetch_or_acquire atomic64_fetch_or_acquire
-#define atomic64_fetch_or_release atomic64_fetch_or_release
-#define atomic64_fetch_or atomic64_fetch_or
-
-#define atomic64_fetch_xor_relaxed atomic64_fetch_xor_relaxed
-#define atomic64_fetch_xor_acquire atomic64_fetch_xor_acquire
-#define atomic64_fetch_xor_release atomic64_fetch_xor_release
-#define atomic64_fetch_xor atomic64_fetch_xor
-
-#define atomic64_xchg_relaxed atomic_xchg_relaxed
-#define atomic64_xchg_acquire atomic_xchg_acquire
-#define atomic64_xchg_release atomic_xchg_release
-#define atomic64_xchg atomic_xchg
-
-#define atomic64_cmpxchg_relaxed atomic_cmpxchg_relaxed
-#define atomic64_cmpxchg_acquire atomic_cmpxchg_acquire
-#define atomic64_cmpxchg_release atomic_cmpxchg_release
-#define atomic64_cmpxchg atomic_cmpxchg
-
-#define atomic64_andnot atomic64_andnot
-
-#define atomic64_dec_if_positive atomic64_dec_if_positive
+#define ATOMIC64_INIT ATOMIC_INIT
+#define arch_atomic64_read arch_atomic_read
+#define arch_atomic64_set arch_atomic_set
+
+#define arch_atomic64_add_return_relaxed arch_atomic64_add_return_relaxed
+#define arch_atomic64_add_return_acquire arch_atomic64_add_return_acquire
+#define arch_atomic64_add_return_release arch_atomic64_add_return_release
+#define arch_atomic64_add_return arch_atomic64_add_return
+
+#define arch_atomic64_sub_return_relaxed arch_atomic64_sub_return_relaxed
+#define arch_atomic64_sub_return_acquire arch_atomic64_sub_return_acquire
+#define arch_atomic64_sub_return_release arch_atomic64_sub_return_release
+#define arch_atomic64_sub_return arch_atomic64_sub_return
+
+#define arch_atomic64_fetch_add_relaxed arch_atomic64_fetch_add_relaxed
+#define arch_atomic64_fetch_add_acquire arch_atomic64_fetch_add_acquire
+#define arch_atomic64_fetch_add_release arch_atomic64_fetch_add_release
+#define arch_atomic64_fetch_add arch_atomic64_fetch_add
+
+#define arch_atomic64_fetch_sub_relaxed arch_atomic64_fetch_sub_relaxed
+#define arch_atomic64_fetch_sub_acquire arch_atomic64_fetch_sub_acquire
+#define arch_atomic64_fetch_sub_release arch_atomic64_fetch_sub_release
+#define arch_atomic64_fetch_sub arch_atomic64_fetch_sub
+
+#define arch_atomic64_fetch_and_relaxed arch_atomic64_fetch_and_relaxed
+#define arch_atomic64_fetch_and_acquire arch_atomic64_fetch_and_acquire
+#define arch_atomic64_fetch_and_release arch_atomic64_fetch_and_release
+#define arch_atomic64_fetch_and arch_atomic64_fetch_and
+
+#define arch_atomic64_fetch_andnot_relaxed arch_atomic64_fetch_andnot_relaxed
+#define arch_atomic64_fetch_andnot_acquire arch_atomic64_fetch_andnot_acquire
+#define arch_atomic64_fetch_andnot_release arch_atomic64_fetch_andnot_release
+#define arch_atomic64_fetch_andnot arch_atomic64_fetch_andnot
+
+#define arch_atomic64_fetch_or_relaxed arch_atomic64_fetch_or_relaxed
+#define arch_atomic64_fetch_or_acquire arch_atomic64_fetch_or_acquire
+#define arch_atomic64_fetch_or_release arch_atomic64_fetch_or_release
+#define arch_atomic64_fetch_or arch_atomic64_fetch_or
+
+#define arch_atomic64_fetch_xor_relaxed arch_atomic64_fetch_xor_relaxed
+#define arch_atomic64_fetch_xor_acquire arch_atomic64_fetch_xor_acquire
+#define arch_atomic64_fetch_xor_release arch_atomic64_fetch_xor_release
+#define arch_atomic64_fetch_xor arch_atomic64_fetch_xor
+
+#define arch_atomic64_xchg_relaxed arch_atomic_xchg_relaxed
+#define arch_atomic64_xchg_acquire arch_atomic_xchg_acquire
+#define arch_atomic64_xchg_release arch_atomic_xchg_release
+#define arch_atomic64_xchg arch_atomic_xchg
+
+#define arch_atomic64_cmpxchg_relaxed arch_atomic_cmpxchg_relaxed
+#define arch_atomic64_cmpxchg_acquire arch_atomic_cmpxchg_acquire
+#define arch_atomic64_cmpxchg_release arch_atomic_cmpxchg_release
+#define arch_atomic64_cmpxchg arch_atomic_cmpxchg
+
+#define arch_atomic64_andnot arch_atomic64_andnot
+
+#define arch_atomic64_dec_if_positive arch_atomic64_dec_if_positive
+
+#include <asm-generic/atomic-instrumented.h>
#endif
#endif
diff --git a/arch/arm64/include/asm/atomic_ll_sc.h b/arch/arm64/include/asm/atomic_ll_sc.h
index af7b99005453..e321293e0c89 100644
--- a/arch/arm64/include/asm/atomic_ll_sc.h
+++ b/arch/arm64/include/asm/atomic_ll_sc.h
@@ -39,7 +39,7 @@
#define ATOMIC_OP(op, asm_op) \
__LL_SC_INLINE void \
-__LL_SC_PREFIX(atomic_##op(int i, atomic_t *v)) \
+__LL_SC_PREFIX(arch_atomic_##op(int i, atomic_t *v)) \
{ \
unsigned long tmp; \
int result; \
@@ -53,11 +53,11 @@ __LL_SC_PREFIX(atomic_##op(int i, atomic_t *v)) \
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter) \
: "Ir" (i)); \
} \
-__LL_SC_EXPORT(atomic_##op);
+__LL_SC_EXPORT(arch_atomic_##op);
#define ATOMIC_OP_RETURN(name, mb, acq, rel, cl, op, asm_op) \
__LL_SC_INLINE int \
-__LL_SC_PREFIX(atomic_##op##_return##name(int i, atomic_t *v)) \
+__LL_SC_PREFIX(arch_atomic_##op##_return##name(int i, atomic_t *v)) \
{ \
unsigned long tmp; \
int result; \
@@ -75,11 +75,11 @@ __LL_SC_PREFIX(atomic_##op##_return##name(int i, atomic_t *v)) \
\
return result; \
} \
-__LL_SC_EXPORT(atomic_##op##_return##name);
+__LL_SC_EXPORT(arch_atomic_##op##_return##name);
#define ATOMIC_FETCH_OP(name, mb, acq, rel, cl, op, asm_op) \
__LL_SC_INLINE int \
-__LL_SC_PREFIX(atomic_fetch_##op##name(int i, atomic_t *v)) \
+__LL_SC_PREFIX(arch_atomic_fetch_##op##name(int i, atomic_t *v)) \
{ \
unsigned long tmp; \
int val, result; \
@@ -97,7 +97,7 @@ __LL_SC_PREFIX(atomic_fetch_##op##name(int i, atomic_t *v)) \
\
return result; \
} \
-__LL_SC_EXPORT(atomic_fetch_##op##name);
+__LL_SC_EXPORT(arch_atomic_fetch_##op##name);
#define ATOMIC_OPS(...) \
ATOMIC_OP(__VA_ARGS__) \
@@ -133,7 +133,7 @@ ATOMIC_OPS(xor, eor)
#define ATOMIC64_OP(op, asm_op) \
__LL_SC_INLINE void \
-__LL_SC_PREFIX(atomic64_##op(long i, atomic64_t *v)) \
+__LL_SC_PREFIX(arch_atomic64_##op(long i, atomic64_t *v)) \
{ \
long result; \
unsigned long tmp; \
@@ -147,11 +147,11 @@ __LL_SC_PREFIX(atomic64_##op(long i, atomic64_t *v)) \
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter) \
: "Ir" (i)); \
} \
-__LL_SC_EXPORT(atomic64_##op);
+__LL_SC_EXPORT(arch_atomic64_##op);
#define ATOMIC64_OP_RETURN(name, mb, acq, rel, cl, op, asm_op) \
__LL_SC_INLINE long \
-__LL_SC_PREFIX(atomic64_##op##_return##name(long i, atomic64_t *v)) \
+__LL_SC_PREFIX(arch_atomic64_##op##_return##name(long i, atomic64_t *v))\
{ \
long result; \
unsigned long tmp; \
@@ -169,11 +169,11 @@ __LL_SC_PREFIX(atomic64_##op##_return##name(long i, atomic64_t *v)) \
\
return result; \
} \
-__LL_SC_EXPORT(atomic64_##op##_return##name);
+__LL_SC_EXPORT(arch_atomic64_##op##_return##name);
#define ATOMIC64_FETCH_OP(name, mb, acq, rel, cl, op, asm_op) \
__LL_SC_INLINE long \
-__LL_SC_PREFIX(atomic64_fetch_##op##name(long i, atomic64_t *v)) \
+__LL_SC_PREFIX(arch_atomic64_fetch_##op##name(long i, atomic64_t *v)) \
{ \
long result, val; \
unsigned long tmp; \
@@ -191,7 +191,7 @@ __LL_SC_PREFIX(atomic64_fetch_##op##name(long i, atomic64_t *v)) \
\
return result; \
} \
-__LL_SC_EXPORT(atomic64_fetch_##op##name);
+__LL_SC_EXPORT(arch_atomic64_fetch_##op##name);
#define ATOMIC64_OPS(...) \
ATOMIC64_OP(__VA_ARGS__) \
@@ -226,7 +226,7 @@ ATOMIC64_OPS(xor, eor)
#undef ATOMIC64_OP
__LL_SC_INLINE long
-__LL_SC_PREFIX(atomic64_dec_if_positive(atomic64_t *v))
+__LL_SC_PREFIX(arch_atomic64_dec_if_positive(atomic64_t *v))
{
long result;
unsigned long tmp;
@@ -246,7 +246,7 @@ __LL_SC_PREFIX(atomic64_dec_if_positive(atomic64_t *v))
return result;
}
-__LL_SC_EXPORT(atomic64_dec_if_positive);
+__LL_SC_EXPORT(arch_atomic64_dec_if_positive);
#define __CMPXCHG_CASE(w, sfx, name, sz, mb, acq, rel, cl) \
__LL_SC_INLINE u##sz \
diff --git a/arch/arm64/include/asm/atomic_lse.h b/arch/arm64/include/asm/atomic_lse.h
index a424355240c5..9256a3921e4b 100644
--- a/arch/arm64/include/asm/atomic_lse.h
+++ b/arch/arm64/include/asm/atomic_lse.h
@@ -25,9 +25,9 @@
#error "please don't include this file directly"
#endif
-#define __LL_SC_ATOMIC(op) __LL_SC_CALL(atomic_##op)
+#define __LL_SC_ATOMIC(op) __LL_SC_CALL(arch_atomic_##op)
#define ATOMIC_OP(op, asm_op) \
-static inline void atomic_##op(int i, atomic_t *v) \
+static inline void arch_atomic_##op(int i, atomic_t *v) \
{ \
register int w0 asm ("w0") = i; \
register atomic_t *x1 asm ("x1") = v; \
@@ -47,7 +47,7 @@ ATOMIC_OP(add, stadd)
#undef ATOMIC_OP
#define ATOMIC_FETCH_OP(name, mb, op, asm_op, cl...) \
-static inline int atomic_fetch_##op##name(int i, atomic_t *v) \
+static inline int arch_atomic_fetch_##op##name(int i, atomic_t *v) \
{ \
register int w0 asm ("w0") = i; \
register atomic_t *x1 asm ("x1") = v; \
@@ -79,7 +79,7 @@ ATOMIC_FETCH_OPS(add, ldadd)
#undef ATOMIC_FETCH_OPS
#define ATOMIC_OP_ADD_RETURN(name, mb, cl...) \
-static inline int atomic_add_return##name(int i, atomic_t *v) \
+static inline int arch_atomic_add_return##name(int i, atomic_t *v) \
{ \
register int w0 asm ("w0") = i; \
register atomic_t *x1 asm ("x1") = v; \
@@ -105,7 +105,7 @@ ATOMIC_OP_ADD_RETURN( , al, "memory")
#undef ATOMIC_OP_ADD_RETURN
-static inline void atomic_and(int i, atomic_t *v)
+static inline void arch_atomic_and(int i, atomic_t *v)
{
register int w0 asm ("w0") = i;
register atomic_t *x1 asm ("x1") = v;
@@ -123,7 +123,7 @@ static inline void atomic_and(int i, atomic_t *v)
}
#define ATOMIC_FETCH_OP_AND(name, mb, cl...) \
-static inline int atomic_fetch_and##name(int i, atomic_t *v) \
+static inline int arch_atomic_fetch_and##name(int i, atomic_t *v) \
{ \
register int w0 asm ("w0") = i; \
register atomic_t *x1 asm ("x1") = v; \
@@ -149,7 +149,7 @@ ATOMIC_FETCH_OP_AND( , al, "memory")
#undef ATOMIC_FETCH_OP_AND
-static inline void atomic_sub(int i, atomic_t *v)
+static inline void arch_atomic_sub(int i, atomic_t *v)
{
register int w0 asm ("w0") = i;
register atomic_t *x1 asm ("x1") = v;
@@ -167,7 +167,7 @@ static inline void atomic_sub(int i, atomic_t *v)
}
#define ATOMIC_OP_SUB_RETURN(name, mb, cl...) \
-static inline int atomic_sub_return##name(int i, atomic_t *v) \
+static inline int arch_atomic_sub_return##name(int i, atomic_t *v) \
{ \
register int w0 asm ("w0") = i; \
register atomic_t *x1 asm ("x1") = v; \
@@ -195,7 +195,7 @@ ATOMIC_OP_SUB_RETURN( , al, "memory")
#undef ATOMIC_OP_SUB_RETURN
#define ATOMIC_FETCH_OP_SUB(name, mb, cl...) \
-static inline int atomic_fetch_sub##name(int i, atomic_t *v) \
+static inline int arch_atomic_fetch_sub##name(int i, atomic_t *v) \
{ \
register int w0 asm ("w0") = i; \
register atomic_t *x1 asm ("x1") = v; \
@@ -222,9 +222,9 @@ ATOMIC_FETCH_OP_SUB( , al, "memory")
#undef ATOMIC_FETCH_OP_SUB
#undef __LL_SC_ATOMIC
-#define __LL_SC_ATOMIC64(op) __LL_SC_CALL(atomic64_##op)
+#define __LL_SC_ATOMIC64(op) __LL_SC_CALL(arch_atomic64_##op)
#define ATOMIC64_OP(op, asm_op) \
-static inline void atomic64_##op(long i, atomic64_t *v) \
+static inline void arch_atomic64_##op(long i, atomic64_t *v) \
{ \
register long x0 asm ("x0") = i; \
register atomic64_t *x1 asm ("x1") = v; \
@@ -244,7 +244,7 @@ ATOMIC64_OP(add, stadd)
#undef ATOMIC64_OP
#define ATOMIC64_FETCH_OP(name, mb, op, asm_op, cl...) \
-static inline long atomic64_fetch_##op##name(long i, atomic64_t *v) \
+static inline long arch_atomic64_fetch_##op##name(long i, atomic64_t *v)\
{ \
register long x0 asm ("x0") = i; \
register atomic64_t *x1 asm ("x1") = v; \
@@ -276,7 +276,7 @@ ATOMIC64_FETCH_OPS(add, ldadd)
#undef ATOMIC64_FETCH_OPS
#define ATOMIC64_OP_ADD_RETURN(name, mb, cl...) \
-static inline long atomic64_add_return##name(long i, atomic64_t *v) \
+static inline long arch_atomic64_add_return##name(long i, atomic64_t *v)\
{ \
register long x0 asm ("x0") = i; \
register atomic64_t *x1 asm ("x1") = v; \
@@ -302,7 +302,7 @@ ATOMIC64_OP_ADD_RETURN( , al, "memory")
#undef ATOMIC64_OP_ADD_RETURN
-static inline void atomic64_and(long i, atomic64_t *v)
+static inline void arch_atomic64_and(long i, atomic64_t *v)
{
register long x0 asm ("x0") = i;
register atomic64_t *x1 asm ("x1") = v;
@@ -320,7 +320,7 @@ static inline void atomic64_and(long i, atomic64_t *v)
}
#define ATOMIC64_FETCH_OP_AND(name, mb, cl...) \
-static inline long atomic64_fetch_and##name(long i, atomic64_t *v) \
+static inline long arch_atomic64_fetch_and##name(long i, atomic64_t *v) \
{ \
register long x0 asm ("x0") = i; \
register atomic64_t *x1 asm ("x1") = v; \
@@ -346,7 +346,7 @@ ATOMIC64_FETCH_OP_AND( , al, "memory")
#undef ATOMIC64_FETCH_OP_AND
-static inline void atomic64_sub(long i, atomic64_t *v)
+static inline void arch_atomic64_sub(long i, atomic64_t *v)
{
register long x0 asm ("x0") = i;
register atomic64_t *x1 asm ("x1") = v;
@@ -364,7 +364,7 @@ static inline void atomic64_sub(long i, atomic64_t *v)
}
#define ATOMIC64_OP_SUB_RETURN(name, mb, cl...) \
-static inline long atomic64_sub_return##name(long i, atomic64_t *v) \
+static inline long arch_atomic64_sub_return##name(long i, atomic64_t *v)\
{ \
register long x0 asm ("x0") = i; \
register atomic64_t *x1 asm ("x1") = v; \
@@ -392,7 +392,7 @@ ATOMIC64_OP_SUB_RETURN( , al, "memory")
#undef ATOMIC64_OP_SUB_RETURN
#define ATOMIC64_FETCH_OP_SUB(name, mb, cl...) \
-static inline long atomic64_fetch_sub##name(long i, atomic64_t *v) \
+static inline long arch_atomic64_fetch_sub##name(long i, atomic64_t *v) \
{ \
register long x0 asm ("x0") = i; \
register atomic64_t *x1 asm ("x1") = v; \
@@ -418,7 +418,7 @@ ATOMIC64_FETCH_OP_SUB( , al, "memory")
#undef ATOMIC64_FETCH_OP_SUB
-static inline long atomic64_dec_if_positive(atomic64_t *v)
+static inline long arch_atomic64_dec_if_positive(atomic64_t *v)
{
register long x0 asm ("x0") = (long)v;
diff --git a/arch/arm64/include/asm/cmpxchg.h b/arch/arm64/include/asm/cmpxchg.h
index 3f9376f1c409..e6ea0f42e097 100644
--- a/arch/arm64/include/asm/cmpxchg.h
+++ b/arch/arm64/include/asm/cmpxchg.h
@@ -110,10 +110,10 @@ __XCHG_GEN(_mb)
})
/* xchg */
-#define xchg_relaxed(...) __xchg_wrapper( , __VA_ARGS__)
-#define xchg_acquire(...) __xchg_wrapper(_acq, __VA_ARGS__)
-#define xchg_release(...) __xchg_wrapper(_rel, __VA_ARGS__)
-#define xchg(...) __xchg_wrapper( _mb, __VA_ARGS__)
+#define arch_xchg_relaxed(...) __xchg_wrapper( , __VA_ARGS__)
+#define arch_xchg_acquire(...) __xchg_wrapper(_acq, __VA_ARGS__)
+#define arch_xchg_release(...) __xchg_wrapper(_rel, __VA_ARGS__)
+#define arch_xchg(...) __xchg_wrapper( _mb, __VA_ARGS__)
#define __CMPXCHG_GEN(sfx) \
static inline unsigned long __cmpxchg##sfx(volatile void *ptr, \
@@ -154,18 +154,18 @@ __CMPXCHG_GEN(_mb)
})
/* cmpxchg */
-#define cmpxchg_relaxed(...) __cmpxchg_wrapper( , __VA_ARGS__)
-#define cmpxchg_acquire(...) __cmpxchg_wrapper(_acq, __VA_ARGS__)
-#define cmpxchg_release(...) __cmpxchg_wrapper(_rel, __VA_ARGS__)
-#define cmpxchg(...) __cmpxchg_wrapper( _mb, __VA_ARGS__)
-#define cmpxchg_local cmpxchg_relaxed
+#define arch_cmpxchg_relaxed(...) __cmpxchg_wrapper( , __VA_ARGS__)
+#define arch_cmpxchg_acquire(...) __cmpxchg_wrapper(_acq, __VA_ARGS__)
+#define arch_cmpxchg_release(...) __cmpxchg_wrapper(_rel, __VA_ARGS__)
+#define arch_cmpxchg(...) __cmpxchg_wrapper( _mb, __VA_ARGS__)
+#define arch_cmpxchg_local arch_cmpxchg_relaxed
/* cmpxchg64 */
-#define cmpxchg64_relaxed cmpxchg_relaxed
-#define cmpxchg64_acquire cmpxchg_acquire
-#define cmpxchg64_release cmpxchg_release
-#define cmpxchg64 cmpxchg
-#define cmpxchg64_local cmpxchg_local
+#define arch_cmpxchg64_relaxed arch_cmpxchg_relaxed
+#define arch_cmpxchg64_acquire arch_cmpxchg_acquire
+#define arch_cmpxchg64_release arch_cmpxchg_release
+#define arch_cmpxchg64 arch_cmpxchg
+#define arch_cmpxchg64_local arch_cmpxchg_local
/* cmpxchg_double */
#define system_has_cmpxchg_double() 1
@@ -177,24 +177,24 @@ __CMPXCHG_GEN(_mb)
VM_BUG_ON((unsigned long *)(ptr2) - (unsigned long *)(ptr1) != 1); \
})
-#define cmpxchg_double(ptr1, ptr2, o1, o2, n1, n2) \
-({\
- int __ret;\
- __cmpxchg_double_check(ptr1, ptr2); \
- __ret = !__cmpxchg_double_mb((unsigned long)(o1), (unsigned long)(o2), \
- (unsigned long)(n1), (unsigned long)(n2), \
- ptr1); \
- __ret; \
+#define arch_cmpxchg_double(ptr1, ptr2, o1, o2, n1, n2) \
+({ \
+ int __ret; \
+ __cmpxchg_double_check(ptr1, ptr2); \
+ __ret = !__cmpxchg_double_mb((unsigned long)(o1), (unsigned long)(o2), \
+ (unsigned long)(n1), (unsigned long)(n2), \
+ ptr1); \
+ __ret; \
})
-#define cmpxchg_double_local(ptr1, ptr2, o1, o2, n1, n2) \
-({\
- int __ret;\
- __cmpxchg_double_check(ptr1, ptr2); \
- __ret = !__cmpxchg_double((unsigned long)(o1), (unsigned long)(o2), \
- (unsigned long)(n1), (unsigned long)(n2), \
- ptr1); \
- __ret; \
+#define arch_cmpxchg_double_local(ptr1, ptr2, o1, o2, n1, n2) \
+({ \
+ int __ret; \
+ __cmpxchg_double_check(ptr1, ptr2); \
+ __ret = !__cmpxchg_double((unsigned long)(o1), (unsigned long)(o2), \
+ (unsigned long)(n1), (unsigned long)(n2), \
+ ptr1); \
+ __ret; \
})
#define __CMPWAIT_CASE(w, sfx, sz) \
diff --git a/arch/arm64/include/asm/sync_bitops.h b/arch/arm64/include/asm/sync_bitops.h
index eee31a9f72a5..e9c1a02c2154 100644
--- a/arch/arm64/include/asm/sync_bitops.h
+++ b/arch/arm64/include/asm/sync_bitops.h
@@ -15,13 +15,13 @@
* ops which are SMP safe even on a UP kernel.
*/
-#define sync_set_bit(nr, p) set_bit(nr, p)
-#define sync_clear_bit(nr, p) clear_bit(nr, p)
-#define sync_change_bit(nr, p) change_bit(nr, p)
-#define sync_test_and_set_bit(nr, p) test_and_set_bit(nr, p)
-#define sync_test_and_clear_bit(nr, p) test_and_clear_bit(nr, p)
-#define sync_test_and_change_bit(nr, p) test_and_change_bit(nr, p)
-#define sync_test_bit(nr, addr) test_bit(nr, addr)
-#define sync_cmpxchg cmpxchg
+#define sync_set_bit(nr, p) set_bit(nr, p)
+#define sync_clear_bit(nr, p) clear_bit(nr, p)
+#define sync_change_bit(nr, p) change_bit(nr, p)
+#define sync_test_and_set_bit(nr, p) test_and_set_bit(nr, p)
+#define sync_test_and_clear_bit(nr, p) test_and_clear_bit(nr, p)
+#define sync_test_and_change_bit(nr, p) test_and_change_bit(nr, p)
+#define sync_test_bit(nr, addr) test_bit(nr, addr)
+#define arch_sync_cmpxchg arch_cmpxchg
#endif
diff --git a/include/asm-generic/atomic-instrumented.h b/include/asm-generic/atomic-instrumented.h
index 0d4b1d3dbc1e..b8f5b35216e1 100644
--- a/include/asm-generic/atomic-instrumented.h
+++ b/include/asm-generic/atomic-instrumented.h
@@ -1,3 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+
+// Generated by scripts/atomic/gen-atomic-instrumented.sh
+// DO NOT MODIFY THIS FILE DIRECTLY
+
/*
* This file provides wrappers with KASAN instrumentation for atomic operations.
* To use this functionality an arch's atomic.h file needs to define all
@@ -9,459 +14,1774 @@
* arch_ variants (i.e. arch_atomic_read()/arch_atomic_cmpxchg()) to avoid
* double instrumentation.
*/
-
-#ifndef _LINUX_ATOMIC_INSTRUMENTED_H
-#define _LINUX_ATOMIC_INSTRUMENTED_H
+#ifndef _ASM_GENERIC_ATOMIC_INSTRUMENTED_H
+#define _ASM_GENERIC_ATOMIC_INSTRUMENTED_H
#include <linux/build_bug.h>
#include <linux/kasan-checks.h>
-static __always_inline int atomic_read(const atomic_t *v)
+static inline int
+atomic_read(const atomic_t *v)
{
kasan_check_read(v, sizeof(*v));
return arch_atomic_read(v);
}
+#define atomic_read atomic_read
-static __always_inline s64 atomic64_read(const atomic64_t *v)
+#if defined(arch_atomic_read_acquire)
+static inline int
+atomic_read_acquire(const atomic_t *v)
{
kasan_check_read(v, sizeof(*v));
- return arch_atomic64_read(v);
+ return arch_atomic_read_acquire(v);
}
+#define atomic_read_acquire atomic_read_acquire
+#endif
-static __always_inline void atomic_set(atomic_t *v, int i)
+static inline void
+atomic_set(atomic_t *v, int i)
{
kasan_check_write(v, sizeof(*v));
arch_atomic_set(v, i);
}
+#define atomic_set atomic_set
-static __always_inline void atomic64_set(atomic64_t *v, s64 i)
+#if defined(arch_atomic_set_release)
+static inline void
+atomic_set_release(atomic_t *v, int i)
{
kasan_check_write(v, sizeof(*v));
- arch_atomic64_set(v, i);
+ arch_atomic_set_release(v, i);
}
+#define atomic_set_release atomic_set_release
+#endif
-static __always_inline int atomic_xchg(atomic_t *v, int i)
+static inline void
+atomic_add(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_xchg(v, i);
+ arch_atomic_add(i, v);
}
+#define atomic_add atomic_add
-static __always_inline s64 atomic64_xchg(atomic64_t *v, s64 i)
+#if !defined(arch_atomic_add_return_relaxed) || defined(arch_atomic_add_return)
+static inline int
+atomic_add_return(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic64_xchg(v, i);
+ return arch_atomic_add_return(i, v);
}
+#define atomic_add_return atomic_add_return
+#endif
-static __always_inline int atomic_cmpxchg(atomic_t *v, int old, int new)
+#if defined(arch_atomic_add_return_acquire)
+static inline int
+atomic_add_return_acquire(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_cmpxchg(v, old, new);
+ return arch_atomic_add_return_acquire(i, v);
}
+#define atomic_add_return_acquire atomic_add_return_acquire
+#endif
-static __always_inline s64 atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new)
+#if defined(arch_atomic_add_return_release)
+static inline int
+atomic_add_return_release(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic64_cmpxchg(v, old, new);
+ return arch_atomic_add_return_release(i, v);
}
+#define atomic_add_return_release atomic_add_return_release
+#endif
-#ifdef arch_atomic_try_cmpxchg
-#define atomic_try_cmpxchg atomic_try_cmpxchg
-static __always_inline bool atomic_try_cmpxchg(atomic_t *v, int *old, int new)
+#if defined(arch_atomic_add_return_relaxed)
+static inline int
+atomic_add_return_relaxed(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- kasan_check_read(old, sizeof(*old));
- return arch_atomic_try_cmpxchg(v, old, new);
+ return arch_atomic_add_return_relaxed(i, v);
}
+#define atomic_add_return_relaxed atomic_add_return_relaxed
#endif
-#ifdef arch_atomic64_try_cmpxchg
-#define atomic64_try_cmpxchg atomic64_try_cmpxchg
-static __always_inline bool atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new)
+#if !defined(arch_atomic_fetch_add_relaxed) || defined(arch_atomic_fetch_add)
+static inline int
+atomic_fetch_add(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- kasan_check_read(old, sizeof(*old));
- return arch_atomic64_try_cmpxchg(v, old, new);
+ return arch_atomic_fetch_add(i, v);
}
+#define atomic_fetch_add atomic_fetch_add
#endif
-#ifdef arch_atomic_fetch_add_unless
-#define atomic_fetch_add_unless atomic_fetch_add_unless
-static __always_inline int atomic_fetch_add_unless(atomic_t *v, int a, int u)
+#if defined(arch_atomic_fetch_add_acquire)
+static inline int
+atomic_fetch_add_acquire(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_fetch_add_unless(v, a, u);
+ return arch_atomic_fetch_add_acquire(i, v);
}
+#define atomic_fetch_add_acquire atomic_fetch_add_acquire
#endif
-#ifdef arch_atomic64_fetch_add_unless
-#define atomic64_fetch_add_unless atomic64_fetch_add_unless
-static __always_inline s64 atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u)
+#if defined(arch_atomic_fetch_add_release)
+static inline int
+atomic_fetch_add_release(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic64_fetch_add_unless(v, a, u);
+ return arch_atomic_fetch_add_release(i, v);
}
+#define atomic_fetch_add_release atomic_fetch_add_release
#endif
-#ifdef arch_atomic_inc
-#define atomic_inc atomic_inc
-static __always_inline void atomic_inc(atomic_t *v)
+#if defined(arch_atomic_fetch_add_relaxed)
+static inline int
+atomic_fetch_add_relaxed(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_add_relaxed(i, v);
+}
+#define atomic_fetch_add_relaxed atomic_fetch_add_relaxed
+#endif
+
+static inline void
+atomic_sub(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ arch_atomic_sub(i, v);
+}
+#define atomic_sub atomic_sub
+
+#if !defined(arch_atomic_sub_return_relaxed) || defined(arch_atomic_sub_return)
+static inline int
+atomic_sub_return(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_sub_return(i, v);
+}
+#define atomic_sub_return atomic_sub_return
+#endif
+
+#if defined(arch_atomic_sub_return_acquire)
+static inline int
+atomic_sub_return_acquire(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_sub_return_acquire(i, v);
+}
+#define atomic_sub_return_acquire atomic_sub_return_acquire
+#endif
+
+#if defined(arch_atomic_sub_return_release)
+static inline int
+atomic_sub_return_release(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_sub_return_release(i, v);
+}
+#define atomic_sub_return_release atomic_sub_return_release
+#endif
+
+#if defined(arch_atomic_sub_return_relaxed)
+static inline int
+atomic_sub_return_relaxed(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_sub_return_relaxed(i, v);
+}
+#define atomic_sub_return_relaxed atomic_sub_return_relaxed
+#endif
+
+#if !defined(arch_atomic_fetch_sub_relaxed) || defined(arch_atomic_fetch_sub)
+static inline int
+atomic_fetch_sub(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_sub(i, v);
+}
+#define atomic_fetch_sub atomic_fetch_sub
+#endif
+
+#if defined(arch_atomic_fetch_sub_acquire)
+static inline int
+atomic_fetch_sub_acquire(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_sub_acquire(i, v);
+}
+#define atomic_fetch_sub_acquire atomic_fetch_sub_acquire
+#endif
+
+#if defined(arch_atomic_fetch_sub_release)
+static inline int
+atomic_fetch_sub_release(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_sub_release(i, v);
+}
+#define atomic_fetch_sub_release atomic_fetch_sub_release
+#endif
+
+#if defined(arch_atomic_fetch_sub_relaxed)
+static inline int
+atomic_fetch_sub_relaxed(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_sub_relaxed(i, v);
+}
+#define atomic_fetch_sub_relaxed atomic_fetch_sub_relaxed
+#endif
+
+#if defined(arch_atomic_inc)
+static inline void
+atomic_inc(atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
arch_atomic_inc(v);
}
+#define atomic_inc atomic_inc
#endif
-#ifdef arch_atomic64_inc
-#define atomic64_inc atomic64_inc
-static __always_inline void atomic64_inc(atomic64_t *v)
+#if defined(arch_atomic_inc_return)
+static inline int
+atomic_inc_return(atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- arch_atomic64_inc(v);
+ return arch_atomic_inc_return(v);
}
+#define atomic_inc_return atomic_inc_return
#endif
-#ifdef arch_atomic_dec
-#define atomic_dec atomic_dec
-static __always_inline void atomic_dec(atomic_t *v)
+#if defined(arch_atomic_inc_return_acquire)
+static inline int
+atomic_inc_return_acquire(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_inc_return_acquire(v);
+}
+#define atomic_inc_return_acquire atomic_inc_return_acquire
+#endif
+
+#if defined(arch_atomic_inc_return_release)
+static inline int
+atomic_inc_return_release(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_inc_return_release(v);
+}
+#define atomic_inc_return_release atomic_inc_return_release
+#endif
+
+#if defined(arch_atomic_inc_return_relaxed)
+static inline int
+atomic_inc_return_relaxed(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_inc_return_relaxed(v);
+}
+#define atomic_inc_return_relaxed atomic_inc_return_relaxed
+#endif
+
+#if defined(arch_atomic_fetch_inc)
+static inline int
+atomic_fetch_inc(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_inc(v);
+}
+#define atomic_fetch_inc atomic_fetch_inc
+#endif
+
+#if defined(arch_atomic_fetch_inc_acquire)
+static inline int
+atomic_fetch_inc_acquire(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_inc_acquire(v);
+}
+#define atomic_fetch_inc_acquire atomic_fetch_inc_acquire
+#endif
+
+#if defined(arch_atomic_fetch_inc_release)
+static inline int
+atomic_fetch_inc_release(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_inc_release(v);
+}
+#define atomic_fetch_inc_release atomic_fetch_inc_release
+#endif
+
+#if defined(arch_atomic_fetch_inc_relaxed)
+static inline int
+atomic_fetch_inc_relaxed(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_inc_relaxed(v);
+}
+#define atomic_fetch_inc_relaxed atomic_fetch_inc_relaxed
+#endif
+
+#if defined(arch_atomic_dec)
+static inline void
+atomic_dec(atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
arch_atomic_dec(v);
}
+#define atomic_dec atomic_dec
#endif
-#ifdef atch_atomic64_dec
-#define atomic64_dec
-static __always_inline void atomic64_dec(atomic64_t *v)
+#if defined(arch_atomic_dec_return)
+static inline int
+atomic_dec_return(atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- arch_atomic64_dec(v);
+ return arch_atomic_dec_return(v);
}
+#define atomic_dec_return atomic_dec_return
#endif
-static __always_inline void atomic_add(int i, atomic_t *v)
+#if defined(arch_atomic_dec_return_acquire)
+static inline int
+atomic_dec_return_acquire(atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- arch_atomic_add(i, v);
+ return arch_atomic_dec_return_acquire(v);
}
+#define atomic_dec_return_acquire atomic_dec_return_acquire
+#endif
-static __always_inline void atomic64_add(s64 i, atomic64_t *v)
+#if defined(arch_atomic_dec_return_release)
+static inline int
+atomic_dec_return_release(atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- arch_atomic64_add(i, v);
+ return arch_atomic_dec_return_release(v);
}
+#define atomic_dec_return_release atomic_dec_return_release
+#endif
-static __always_inline void atomic_sub(int i, atomic_t *v)
+#if defined(arch_atomic_dec_return_relaxed)
+static inline int
+atomic_dec_return_relaxed(atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- arch_atomic_sub(i, v);
+ return arch_atomic_dec_return_relaxed(v);
}
+#define atomic_dec_return_relaxed atomic_dec_return_relaxed
+#endif
-static __always_inline void atomic64_sub(s64 i, atomic64_t *v)
+#if defined(arch_atomic_fetch_dec)
+static inline int
+atomic_fetch_dec(atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- arch_atomic64_sub(i, v);
+ return arch_atomic_fetch_dec(v);
}
+#define atomic_fetch_dec atomic_fetch_dec
+#endif
-static __always_inline void atomic_and(int i, atomic_t *v)
+#if defined(arch_atomic_fetch_dec_acquire)
+static inline int
+atomic_fetch_dec_acquire(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_dec_acquire(v);
+}
+#define atomic_fetch_dec_acquire atomic_fetch_dec_acquire
+#endif
+
+#if defined(arch_atomic_fetch_dec_release)
+static inline int
+atomic_fetch_dec_release(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_dec_release(v);
+}
+#define atomic_fetch_dec_release atomic_fetch_dec_release
+#endif
+
+#if defined(arch_atomic_fetch_dec_relaxed)
+static inline int
+atomic_fetch_dec_relaxed(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_dec_relaxed(v);
+}
+#define atomic_fetch_dec_relaxed atomic_fetch_dec_relaxed
+#endif
+
+static inline void
+atomic_and(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
arch_atomic_and(i, v);
}
+#define atomic_and atomic_and
-static __always_inline void atomic64_and(s64 i, atomic64_t *v)
+#if !defined(arch_atomic_fetch_and_relaxed) || defined(arch_atomic_fetch_and)
+static inline int
+atomic_fetch_and(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- arch_atomic64_and(i, v);
+ return arch_atomic_fetch_and(i, v);
+}
+#define atomic_fetch_and atomic_fetch_and
+#endif
+
+#if defined(arch_atomic_fetch_and_acquire)
+static inline int
+atomic_fetch_and_acquire(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_and_acquire(i, v);
+}
+#define atomic_fetch_and_acquire atomic_fetch_and_acquire
+#endif
+
+#if defined(arch_atomic_fetch_and_release)
+static inline int
+atomic_fetch_and_release(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_and_release(i, v);
+}
+#define atomic_fetch_and_release atomic_fetch_and_release
+#endif
+
+#if defined(arch_atomic_fetch_and_relaxed)
+static inline int
+atomic_fetch_and_relaxed(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_and_relaxed(i, v);
}
+#define atomic_fetch_and_relaxed atomic_fetch_and_relaxed
+#endif
+
+#if defined(arch_atomic_andnot)
+static inline void
+atomic_andnot(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ arch_atomic_andnot(i, v);
+}
+#define atomic_andnot atomic_andnot
+#endif
-static __always_inline void atomic_or(int i, atomic_t *v)
+#if defined(arch_atomic_fetch_andnot)
+static inline int
+atomic_fetch_andnot(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_andnot(i, v);
+}
+#define atomic_fetch_andnot atomic_fetch_andnot
+#endif
+
+#if defined(arch_atomic_fetch_andnot_acquire)
+static inline int
+atomic_fetch_andnot_acquire(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_andnot_acquire(i, v);
+}
+#define atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire
+#endif
+
+#if defined(arch_atomic_fetch_andnot_release)
+static inline int
+atomic_fetch_andnot_release(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_andnot_release(i, v);
+}
+#define atomic_fetch_andnot_release atomic_fetch_andnot_release
+#endif
+
+#if defined(arch_atomic_fetch_andnot_relaxed)
+static inline int
+atomic_fetch_andnot_relaxed(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_andnot_relaxed(i, v);
+}
+#define atomic_fetch_andnot_relaxed atomic_fetch_andnot_relaxed
+#endif
+
+static inline void
+atomic_or(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
arch_atomic_or(i, v);
}
+#define atomic_or atomic_or
-static __always_inline void atomic64_or(s64 i, atomic64_t *v)
+#if !defined(arch_atomic_fetch_or_relaxed) || defined(arch_atomic_fetch_or)
+static inline int
+atomic_fetch_or(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- arch_atomic64_or(i, v);
+ return arch_atomic_fetch_or(i, v);
+}
+#define atomic_fetch_or atomic_fetch_or
+#endif
+
+#if defined(arch_atomic_fetch_or_acquire)
+static inline int
+atomic_fetch_or_acquire(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_or_acquire(i, v);
+}
+#define atomic_fetch_or_acquire atomic_fetch_or_acquire
+#endif
+
+#if defined(arch_atomic_fetch_or_release)
+static inline int
+atomic_fetch_or_release(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_or_release(i, v);
+}
+#define atomic_fetch_or_release atomic_fetch_or_release
+#endif
+
+#if defined(arch_atomic_fetch_or_relaxed)
+static inline int
+atomic_fetch_or_relaxed(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_fetch_or_relaxed(i, v);
}
+#define atomic_fetch_or_relaxed atomic_fetch_or_relaxed
+#endif
-static __always_inline void atomic_xor(int i, atomic_t *v)
+static inline void
+atomic_xor(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
arch_atomic_xor(i, v);
}
+#define atomic_xor atomic_xor
-static __always_inline void atomic64_xor(s64 i, atomic64_t *v)
+#if !defined(arch_atomic_fetch_xor_relaxed) || defined(arch_atomic_fetch_xor)
+static inline int
+atomic_fetch_xor(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- arch_atomic64_xor(i, v);
+ return arch_atomic_fetch_xor(i, v);
}
+#define atomic_fetch_xor atomic_fetch_xor
+#endif
-#ifdef arch_atomic_inc_return
-#define atomic_inc_return atomic_inc_return
-static __always_inline int atomic_inc_return(atomic_t *v)
+#if defined(arch_atomic_fetch_xor_acquire)
+static inline int
+atomic_fetch_xor_acquire(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_inc_return(v);
+ return arch_atomic_fetch_xor_acquire(i, v);
}
+#define atomic_fetch_xor_acquire atomic_fetch_xor_acquire
#endif
-#ifdef arch_atomic64_in_return
-#define atomic64_inc_return atomic64_inc_return
-static __always_inline s64 atomic64_inc_return(atomic64_t *v)
+#if defined(arch_atomic_fetch_xor_release)
+static inline int
+atomic_fetch_xor_release(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic64_inc_return(v);
+ return arch_atomic_fetch_xor_release(i, v);
}
+#define atomic_fetch_xor_release atomic_fetch_xor_release
#endif
-#ifdef arch_atomic_dec_return
-#define atomic_dec_return atomic_dec_return
-static __always_inline int atomic_dec_return(atomic_t *v)
+#if defined(arch_atomic_fetch_xor_relaxed)
+static inline int
+atomic_fetch_xor_relaxed(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_dec_return(v);
+ return arch_atomic_fetch_xor_relaxed(i, v);
}
+#define atomic_fetch_xor_relaxed atomic_fetch_xor_relaxed
#endif
-#ifdef arch_atomic64_dec_return
-#define atomic64_dec_return atomic64_dec_return
-static __always_inline s64 atomic64_dec_return(atomic64_t *v)
+#if !defined(arch_atomic_xchg_relaxed) || defined(arch_atomic_xchg)
+static inline int
+atomic_xchg(atomic_t *v, int i)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic64_dec_return(v);
+ return arch_atomic_xchg(v, i);
}
+#define atomic_xchg atomic_xchg
#endif
-#ifdef arch_atomic64_inc_not_zero
-#define atomic64_inc_not_zero atomic64_inc_not_zero
-static __always_inline bool atomic64_inc_not_zero(atomic64_t *v)
+#if defined(arch_atomic_xchg_acquire)
+static inline int
+atomic_xchg_acquire(atomic_t *v, int i)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic64_inc_not_zero(v);
+ return arch_atomic_xchg_acquire(v, i);
}
+#define atomic_xchg_acquire atomic_xchg_acquire
#endif
-#ifdef arch_atomic64_dec_if_positive
-#define atomic64_dec_if_positive atomic64_dec_if_positive
-static __always_inline s64 atomic64_dec_if_positive(atomic64_t *v)
+#if defined(arch_atomic_xchg_release)
+static inline int
+atomic_xchg_release(atomic_t *v, int i)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic64_dec_if_positive(v);
+ return arch_atomic_xchg_release(v, i);
}
+#define atomic_xchg_release atomic_xchg_release
#endif
-#ifdef arch_atomic_dec_and_test
-#define atomic_dec_and_test atomic_dec_and_test
-static __always_inline bool atomic_dec_and_test(atomic_t *v)
+#if defined(arch_atomic_xchg_relaxed)
+static inline int
+atomic_xchg_relaxed(atomic_t *v, int i)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_dec_and_test(v);
+ return arch_atomic_xchg_relaxed(v, i);
}
+#define atomic_xchg_relaxed atomic_xchg_relaxed
#endif
-#ifdef arch_atomic64_dec_and_test
-#define atomic64_dec_and_test atomic64_dec_and_test
-static __always_inline bool atomic64_dec_and_test(atomic64_t *v)
+#if !defined(arch_atomic_cmpxchg_relaxed) || defined(arch_atomic_cmpxchg)
+static inline int
+atomic_cmpxchg(atomic_t *v, int old, int new)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic64_dec_and_test(v);
+ return arch_atomic_cmpxchg(v, old, new);
}
+#define atomic_cmpxchg atomic_cmpxchg
#endif
-#ifdef arch_atomic_inc_and_test
-#define atomic_inc_and_test atomic_inc_and_test
-static __always_inline bool atomic_inc_and_test(atomic_t *v)
+#if defined(arch_atomic_cmpxchg_acquire)
+static inline int
+atomic_cmpxchg_acquire(atomic_t *v, int old, int new)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_cmpxchg_acquire(v, old, new);
+}
+#define atomic_cmpxchg_acquire atomic_cmpxchg_acquire
+#endif
+
+#if defined(arch_atomic_cmpxchg_release)
+static inline int
+atomic_cmpxchg_release(atomic_t *v, int old, int new)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_cmpxchg_release(v, old, new);
+}
+#define atomic_cmpxchg_release atomic_cmpxchg_release
+#endif
+
+#if defined(arch_atomic_cmpxchg_relaxed)
+static inline int
+atomic_cmpxchg_relaxed(atomic_t *v, int old, int new)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_cmpxchg_relaxed(v, old, new);
+}
+#define atomic_cmpxchg_relaxed atomic_cmpxchg_relaxed
+#endif
+
+#if defined(arch_atomic_try_cmpxchg)
+static inline bool
+atomic_try_cmpxchg(atomic_t *v, int *old, int new)
+{
+ kasan_check_write(v, sizeof(*v));
+ kasan_check_write(old, sizeof(*old));
+ return arch_atomic_try_cmpxchg(v, old, new);
+}
+#define atomic_try_cmpxchg atomic_try_cmpxchg
+#endif
+
+#if defined(arch_atomic_try_cmpxchg_acquire)
+static inline bool
+atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new)
+{
+ kasan_check_write(v, sizeof(*v));
+ kasan_check_write(old, sizeof(*old));
+ return arch_atomic_try_cmpxchg_acquire(v, old, new);
+}
+#define atomic_try_cmpxchg_acquire atomic_try_cmpxchg_acquire
+#endif
+
+#if defined(arch_atomic_try_cmpxchg_release)
+static inline bool
+atomic_try_cmpxchg_release(atomic_t *v, int *old, int new)
+{
+ kasan_check_write(v, sizeof(*v));
+ kasan_check_write(old, sizeof(*old));
+ return arch_atomic_try_cmpxchg_release(v, old, new);
+}
+#define atomic_try_cmpxchg_release atomic_try_cmpxchg_release
+#endif
+
+#if defined(arch_atomic_try_cmpxchg_relaxed)
+static inline bool
+atomic_try_cmpxchg_relaxed(atomic_t *v, int *old, int new)
+{
+ kasan_check_write(v, sizeof(*v));
+ kasan_check_write(old, sizeof(*old));
+ return arch_atomic_try_cmpxchg_relaxed(v, old, new);
+}
+#define atomic_try_cmpxchg_relaxed atomic_try_cmpxchg_relaxed
+#endif
+
+#if defined(arch_atomic_sub_and_test)
+static inline bool
+atomic_sub_and_test(int i, atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_sub_and_test(i, v);
+}
+#define atomic_sub_and_test atomic_sub_and_test
+#endif
+
+#if defined(arch_atomic_dec_and_test)
+static inline bool
+atomic_dec_and_test(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_dec_and_test(v);
+}
+#define atomic_dec_and_test atomic_dec_and_test
+#endif
+
+#if defined(arch_atomic_inc_and_test)
+static inline bool
+atomic_inc_and_test(atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
return arch_atomic_inc_and_test(v);
}
+#define atomic_inc_and_test atomic_inc_and_test
#endif
-#ifdef arch_atomic64_inc_and_test
-#define atomic64_inc_and_test atomic64_inc_and_test
-static __always_inline bool atomic64_inc_and_test(atomic64_t *v)
+#if defined(arch_atomic_add_negative)
+static inline bool
+atomic_add_negative(int i, atomic_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic64_inc_and_test(v);
+ return arch_atomic_add_negative(i, v);
}
+#define atomic_add_negative atomic_add_negative
#endif
-static __always_inline int atomic_add_return(int i, atomic_t *v)
+#if defined(arch_atomic_fetch_add_unless)
+static inline int
+atomic_fetch_add_unless(atomic_t *v, int a, int u)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_add_return(i, v);
+ return arch_atomic_fetch_add_unless(v, a, u);
+}
+#define atomic_fetch_add_unless atomic_fetch_add_unless
+#endif
+
+#if defined(arch_atomic_add_unless)
+static inline bool
+atomic_add_unless(atomic_t *v, int a, int u)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_add_unless(v, a, u);
+}
+#define atomic_add_unless atomic_add_unless
+#endif
+
+#if defined(arch_atomic_inc_not_zero)
+static inline bool
+atomic_inc_not_zero(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_inc_not_zero(v);
+}
+#define atomic_inc_not_zero atomic_inc_not_zero
+#endif
+
+#if defined(arch_atomic_inc_unless_negative)
+static inline bool
+atomic_inc_unless_negative(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_inc_unless_negative(v);
+}
+#define atomic_inc_unless_negative atomic_inc_unless_negative
+#endif
+
+#if defined(arch_atomic_dec_unless_positive)
+static inline bool
+atomic_dec_unless_positive(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_dec_unless_positive(v);
+}
+#define atomic_dec_unless_positive atomic_dec_unless_positive
+#endif
+
+#if defined(arch_atomic_dec_if_positive)
+static inline int
+atomic_dec_if_positive(atomic_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic_dec_if_positive(v);
+}
+#define atomic_dec_if_positive atomic_dec_if_positive
+#endif
+
+static inline s64
+atomic64_read(const atomic64_t *v)
+{
+ kasan_check_read(v, sizeof(*v));
+ return arch_atomic64_read(v);
+}
+#define atomic64_read atomic64_read
+
+#if defined(arch_atomic64_read_acquire)
+static inline s64
+atomic64_read_acquire(const atomic64_t *v)
+{
+ kasan_check_read(v, sizeof(*v));
+ return arch_atomic64_read_acquire(v);
+}
+#define atomic64_read_acquire atomic64_read_acquire
+#endif
+
+static inline void
+atomic64_set(atomic64_t *v, s64 i)
+{
+ kasan_check_write(v, sizeof(*v));
+ arch_atomic64_set(v, i);
+}
+#define atomic64_set atomic64_set
+
+#if defined(arch_atomic64_set_release)
+static inline void
+atomic64_set_release(atomic64_t *v, s64 i)
+{
+ kasan_check_write(v, sizeof(*v));
+ arch_atomic64_set_release(v, i);
}
+#define atomic64_set_release atomic64_set_release
+#endif
-static __always_inline s64 atomic64_add_return(s64 i, atomic64_t *v)
+static inline void
+atomic64_add(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ arch_atomic64_add(i, v);
+}
+#define atomic64_add atomic64_add
+
+#if !defined(arch_atomic64_add_return_relaxed) || defined(arch_atomic64_add_return)
+static inline s64
+atomic64_add_return(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
return arch_atomic64_add_return(i, v);
}
+#define atomic64_add_return atomic64_add_return
+#endif
-static __always_inline int atomic_sub_return(int i, atomic_t *v)
+#if defined(arch_atomic64_add_return_acquire)
+static inline s64
+atomic64_add_return_acquire(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_sub_return(i, v);
+ return arch_atomic64_add_return_acquire(i, v);
}
+#define atomic64_add_return_acquire atomic64_add_return_acquire
+#endif
-static __always_inline s64 atomic64_sub_return(s64 i, atomic64_t *v)
+#if defined(arch_atomic64_add_return_release)
+static inline s64
+atomic64_add_return_release(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic64_sub_return(i, v);
+ return arch_atomic64_add_return_release(i, v);
}
+#define atomic64_add_return_release atomic64_add_return_release
+#endif
-static __always_inline int atomic_fetch_add(int i, atomic_t *v)
+#if defined(arch_atomic64_add_return_relaxed)
+static inline s64
+atomic64_add_return_relaxed(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_fetch_add(i, v);
+ return arch_atomic64_add_return_relaxed(i, v);
}
+#define atomic64_add_return_relaxed atomic64_add_return_relaxed
+#endif
-static __always_inline s64 atomic64_fetch_add(s64 i, atomic64_t *v)
+#if !defined(arch_atomic64_fetch_add_relaxed) || defined(arch_atomic64_fetch_add)
+static inline s64
+atomic64_fetch_add(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
return arch_atomic64_fetch_add(i, v);
}
+#define atomic64_fetch_add atomic64_fetch_add
+#endif
-static __always_inline int atomic_fetch_sub(int i, atomic_t *v)
+#if defined(arch_atomic64_fetch_add_acquire)
+static inline s64
+atomic64_fetch_add_acquire(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_fetch_sub(i, v);
+ return arch_atomic64_fetch_add_acquire(i, v);
}
+#define atomic64_fetch_add_acquire atomic64_fetch_add_acquire
+#endif
+
+#if defined(arch_atomic64_fetch_add_release)
+static inline s64
+atomic64_fetch_add_release(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_add_release(i, v);
+}
+#define atomic64_fetch_add_release atomic64_fetch_add_release
+#endif
-static __always_inline s64 atomic64_fetch_sub(s64 i, atomic64_t *v)
+#if defined(arch_atomic64_fetch_add_relaxed)
+static inline s64
+atomic64_fetch_add_relaxed(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_add_relaxed(i, v);
+}
+#define atomic64_fetch_add_relaxed atomic64_fetch_add_relaxed
+#endif
+
+static inline void
+atomic64_sub(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ arch_atomic64_sub(i, v);
+}
+#define atomic64_sub atomic64_sub
+
+#if !defined(arch_atomic64_sub_return_relaxed) || defined(arch_atomic64_sub_return)
+static inline s64
+atomic64_sub_return(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_sub_return(i, v);
+}
+#define atomic64_sub_return atomic64_sub_return
+#endif
+
+#if defined(arch_atomic64_sub_return_acquire)
+static inline s64
+atomic64_sub_return_acquire(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_sub_return_acquire(i, v);
+}
+#define atomic64_sub_return_acquire atomic64_sub_return_acquire
+#endif
+
+#if defined(arch_atomic64_sub_return_release)
+static inline s64
+atomic64_sub_return_release(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_sub_return_release(i, v);
+}
+#define atomic64_sub_return_release atomic64_sub_return_release
+#endif
+
+#if defined(arch_atomic64_sub_return_relaxed)
+static inline s64
+atomic64_sub_return_relaxed(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_sub_return_relaxed(i, v);
+}
+#define atomic64_sub_return_relaxed atomic64_sub_return_relaxed
+#endif
+
+#if !defined(arch_atomic64_fetch_sub_relaxed) || defined(arch_atomic64_fetch_sub)
+static inline s64
+atomic64_fetch_sub(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
return arch_atomic64_fetch_sub(i, v);
}
+#define atomic64_fetch_sub atomic64_fetch_sub
+#endif
-static __always_inline int atomic_fetch_and(int i, atomic_t *v)
+#if defined(arch_atomic64_fetch_sub_acquire)
+static inline s64
+atomic64_fetch_sub_acquire(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_fetch_and(i, v);
+ return arch_atomic64_fetch_sub_acquire(i, v);
+}
+#define atomic64_fetch_sub_acquire atomic64_fetch_sub_acquire
+#endif
+
+#if defined(arch_atomic64_fetch_sub_release)
+static inline s64
+atomic64_fetch_sub_release(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_sub_release(i, v);
}
+#define atomic64_fetch_sub_release atomic64_fetch_sub_release
+#endif
-static __always_inline s64 atomic64_fetch_and(s64 i, atomic64_t *v)
+#if defined(arch_atomic64_fetch_sub_relaxed)
+static inline s64
+atomic64_fetch_sub_relaxed(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_sub_relaxed(i, v);
+}
+#define atomic64_fetch_sub_relaxed atomic64_fetch_sub_relaxed
+#endif
+
+#if defined(arch_atomic64_inc)
+static inline void
+atomic64_inc(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ arch_atomic64_inc(v);
+}
+#define atomic64_inc atomic64_inc
+#endif
+
+#if defined(arch_atomic64_inc_return)
+static inline s64
+atomic64_inc_return(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_inc_return(v);
+}
+#define atomic64_inc_return atomic64_inc_return
+#endif
+
+#if defined(arch_atomic64_inc_return_acquire)
+static inline s64
+atomic64_inc_return_acquire(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_inc_return_acquire(v);
+}
+#define atomic64_inc_return_acquire atomic64_inc_return_acquire
+#endif
+
+#if defined(arch_atomic64_inc_return_release)
+static inline s64
+atomic64_inc_return_release(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_inc_return_release(v);
+}
+#define atomic64_inc_return_release atomic64_inc_return_release
+#endif
+
+#if defined(arch_atomic64_inc_return_relaxed)
+static inline s64
+atomic64_inc_return_relaxed(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_inc_return_relaxed(v);
+}
+#define atomic64_inc_return_relaxed atomic64_inc_return_relaxed
+#endif
+
+#if defined(arch_atomic64_fetch_inc)
+static inline s64
+atomic64_fetch_inc(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_inc(v);
+}
+#define atomic64_fetch_inc atomic64_fetch_inc
+#endif
+
+#if defined(arch_atomic64_fetch_inc_acquire)
+static inline s64
+atomic64_fetch_inc_acquire(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_inc_acquire(v);
+}
+#define atomic64_fetch_inc_acquire atomic64_fetch_inc_acquire
+#endif
+
+#if defined(arch_atomic64_fetch_inc_release)
+static inline s64
+atomic64_fetch_inc_release(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_inc_release(v);
+}
+#define atomic64_fetch_inc_release atomic64_fetch_inc_release
+#endif
+
+#if defined(arch_atomic64_fetch_inc_relaxed)
+static inline s64
+atomic64_fetch_inc_relaxed(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_inc_relaxed(v);
+}
+#define atomic64_fetch_inc_relaxed atomic64_fetch_inc_relaxed
+#endif
+
+#if defined(arch_atomic64_dec)
+static inline void
+atomic64_dec(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ arch_atomic64_dec(v);
+}
+#define atomic64_dec atomic64_dec
+#endif
+
+#if defined(arch_atomic64_dec_return)
+static inline s64
+atomic64_dec_return(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_dec_return(v);
+}
+#define atomic64_dec_return atomic64_dec_return
+#endif
+
+#if defined(arch_atomic64_dec_return_acquire)
+static inline s64
+atomic64_dec_return_acquire(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_dec_return_acquire(v);
+}
+#define atomic64_dec_return_acquire atomic64_dec_return_acquire
+#endif
+
+#if defined(arch_atomic64_dec_return_release)
+static inline s64
+atomic64_dec_return_release(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_dec_return_release(v);
+}
+#define atomic64_dec_return_release atomic64_dec_return_release
+#endif
+
+#if defined(arch_atomic64_dec_return_relaxed)
+static inline s64
+atomic64_dec_return_relaxed(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_dec_return_relaxed(v);
+}
+#define atomic64_dec_return_relaxed atomic64_dec_return_relaxed
+#endif
+
+#if defined(arch_atomic64_fetch_dec)
+static inline s64
+atomic64_fetch_dec(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_dec(v);
+}
+#define atomic64_fetch_dec atomic64_fetch_dec
+#endif
+
+#if defined(arch_atomic64_fetch_dec_acquire)
+static inline s64
+atomic64_fetch_dec_acquire(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_dec_acquire(v);
+}
+#define atomic64_fetch_dec_acquire atomic64_fetch_dec_acquire
+#endif
+
+#if defined(arch_atomic64_fetch_dec_release)
+static inline s64
+atomic64_fetch_dec_release(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_dec_release(v);
+}
+#define atomic64_fetch_dec_release atomic64_fetch_dec_release
+#endif
+
+#if defined(arch_atomic64_fetch_dec_relaxed)
+static inline s64
+atomic64_fetch_dec_relaxed(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_dec_relaxed(v);
+}
+#define atomic64_fetch_dec_relaxed atomic64_fetch_dec_relaxed
+#endif
+
+static inline void
+atomic64_and(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ arch_atomic64_and(i, v);
+}
+#define atomic64_and atomic64_and
+
+#if !defined(arch_atomic64_fetch_and_relaxed) || defined(arch_atomic64_fetch_and)
+static inline s64
+atomic64_fetch_and(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
return arch_atomic64_fetch_and(i, v);
}
+#define atomic64_fetch_and atomic64_fetch_and
+#endif
-static __always_inline int atomic_fetch_or(int i, atomic_t *v)
+#if defined(arch_atomic64_fetch_and_acquire)
+static inline s64
+atomic64_fetch_and_acquire(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_fetch_or(i, v);
+ return arch_atomic64_fetch_and_acquire(i, v);
+}
+#define atomic64_fetch_and_acquire atomic64_fetch_and_acquire
+#endif
+
+#if defined(arch_atomic64_fetch_and_release)
+static inline s64
+atomic64_fetch_and_release(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_and_release(i, v);
+}
+#define atomic64_fetch_and_release atomic64_fetch_and_release
+#endif
+
+#if defined(arch_atomic64_fetch_and_relaxed)
+static inline s64
+atomic64_fetch_and_relaxed(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_and_relaxed(i, v);
+}
+#define atomic64_fetch_and_relaxed atomic64_fetch_and_relaxed
+#endif
+
+#if defined(arch_atomic64_andnot)
+static inline void
+atomic64_andnot(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ arch_atomic64_andnot(i, v);
+}
+#define atomic64_andnot atomic64_andnot
+#endif
+
+#if defined(arch_atomic64_fetch_andnot)
+static inline s64
+atomic64_fetch_andnot(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_andnot(i, v);
+}
+#define atomic64_fetch_andnot atomic64_fetch_andnot
+#endif
+
+#if defined(arch_atomic64_fetch_andnot_acquire)
+static inline s64
+atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_andnot_acquire(i, v);
+}
+#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot_acquire
+#endif
+
+#if defined(arch_atomic64_fetch_andnot_release)
+static inline s64
+atomic64_fetch_andnot_release(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_andnot_release(i, v);
+}
+#define atomic64_fetch_andnot_release atomic64_fetch_andnot_release
+#endif
+
+#if defined(arch_atomic64_fetch_andnot_relaxed)
+static inline s64
+atomic64_fetch_andnot_relaxed(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_andnot_relaxed(i, v);
+}
+#define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot_relaxed
+#endif
+
+static inline void
+atomic64_or(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ arch_atomic64_or(i, v);
}
+#define atomic64_or atomic64_or
-static __always_inline s64 atomic64_fetch_or(s64 i, atomic64_t *v)
+#if !defined(arch_atomic64_fetch_or_relaxed) || defined(arch_atomic64_fetch_or)
+static inline s64
+atomic64_fetch_or(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
return arch_atomic64_fetch_or(i, v);
}
+#define atomic64_fetch_or atomic64_fetch_or
+#endif
-static __always_inline int atomic_fetch_xor(int i, atomic_t *v)
+#if defined(arch_atomic64_fetch_or_acquire)
+static inline s64
+atomic64_fetch_or_acquire(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_fetch_xor(i, v);
+ return arch_atomic64_fetch_or_acquire(i, v);
+}
+#define atomic64_fetch_or_acquire atomic64_fetch_or_acquire
+#endif
+
+#if defined(arch_atomic64_fetch_or_release)
+static inline s64
+atomic64_fetch_or_release(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_or_release(i, v);
+}
+#define atomic64_fetch_or_release atomic64_fetch_or_release
+#endif
+
+#if defined(arch_atomic64_fetch_or_relaxed)
+static inline s64
+atomic64_fetch_or_relaxed(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_or_relaxed(i, v);
+}
+#define atomic64_fetch_or_relaxed atomic64_fetch_or_relaxed
+#endif
+
+static inline void
+atomic64_xor(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ arch_atomic64_xor(i, v);
}
+#define atomic64_xor atomic64_xor
-static __always_inline s64 atomic64_fetch_xor(s64 i, atomic64_t *v)
+#if !defined(arch_atomic64_fetch_xor_relaxed) || defined(arch_atomic64_fetch_xor)
+static inline s64
+atomic64_fetch_xor(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
return arch_atomic64_fetch_xor(i, v);
}
+#define atomic64_fetch_xor atomic64_fetch_xor
+#endif
-#ifdef arch_atomic_sub_and_test
-#define atomic_sub_and_test atomic_sub_and_test
-static __always_inline bool atomic_sub_and_test(int i, atomic_t *v)
+#if defined(arch_atomic64_fetch_xor_acquire)
+static inline s64
+atomic64_fetch_xor_acquire(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_sub_and_test(i, v);
+ return arch_atomic64_fetch_xor_acquire(i, v);
}
+#define atomic64_fetch_xor_acquire atomic64_fetch_xor_acquire
#endif
-#ifdef arch_atomic64_sub_and_test
-#define atomic64_sub_and_test atomic64_sub_and_test
-static __always_inline bool atomic64_sub_and_test(s64 i, atomic64_t *v)
+#if defined(arch_atomic64_fetch_xor_release)
+static inline s64
+atomic64_fetch_xor_release(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_xor_release(i, v);
+}
+#define atomic64_fetch_xor_release atomic64_fetch_xor_release
+#endif
+
+#if defined(arch_atomic64_fetch_xor_relaxed)
+static inline s64
+atomic64_fetch_xor_relaxed(s64 i, atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_xor_relaxed(i, v);
+}
+#define atomic64_fetch_xor_relaxed atomic64_fetch_xor_relaxed
+#endif
+
+#if !defined(arch_atomic64_xchg_relaxed) || defined(arch_atomic64_xchg)
+static inline s64
+atomic64_xchg(atomic64_t *v, s64 i)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_xchg(v, i);
+}
+#define atomic64_xchg atomic64_xchg
+#endif
+
+#if defined(arch_atomic64_xchg_acquire)
+static inline s64
+atomic64_xchg_acquire(atomic64_t *v, s64 i)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_xchg_acquire(v, i);
+}
+#define atomic64_xchg_acquire atomic64_xchg_acquire
+#endif
+
+#if defined(arch_atomic64_xchg_release)
+static inline s64
+atomic64_xchg_release(atomic64_t *v, s64 i)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_xchg_release(v, i);
+}
+#define atomic64_xchg_release atomic64_xchg_release
+#endif
+
+#if defined(arch_atomic64_xchg_relaxed)
+static inline s64
+atomic64_xchg_relaxed(atomic64_t *v, s64 i)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_xchg_relaxed(v, i);
+}
+#define atomic64_xchg_relaxed atomic64_xchg_relaxed
+#endif
+
+#if !defined(arch_atomic64_cmpxchg_relaxed) || defined(arch_atomic64_cmpxchg)
+static inline s64
+atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_cmpxchg(v, old, new);
+}
+#define atomic64_cmpxchg atomic64_cmpxchg
+#endif
+
+#if defined(arch_atomic64_cmpxchg_acquire)
+static inline s64
+atomic64_cmpxchg_acquire(atomic64_t *v, s64 old, s64 new)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_cmpxchg_acquire(v, old, new);
+}
+#define atomic64_cmpxchg_acquire atomic64_cmpxchg_acquire
+#endif
+
+#if defined(arch_atomic64_cmpxchg_release)
+static inline s64
+atomic64_cmpxchg_release(atomic64_t *v, s64 old, s64 new)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_cmpxchg_release(v, old, new);
+}
+#define atomic64_cmpxchg_release atomic64_cmpxchg_release
+#endif
+
+#if defined(arch_atomic64_cmpxchg_relaxed)
+static inline s64
+atomic64_cmpxchg_relaxed(atomic64_t *v, s64 old, s64 new)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_cmpxchg_relaxed(v, old, new);
+}
+#define atomic64_cmpxchg_relaxed atomic64_cmpxchg_relaxed
+#endif
+
+#if defined(arch_atomic64_try_cmpxchg)
+static inline bool
+atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new)
+{
+ kasan_check_write(v, sizeof(*v));
+ kasan_check_write(old, sizeof(*old));
+ return arch_atomic64_try_cmpxchg(v, old, new);
+}
+#define atomic64_try_cmpxchg atomic64_try_cmpxchg
+#endif
+
+#if defined(arch_atomic64_try_cmpxchg_acquire)
+static inline bool
+atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new)
+{
+ kasan_check_write(v, sizeof(*v));
+ kasan_check_write(old, sizeof(*old));
+ return arch_atomic64_try_cmpxchg_acquire(v, old, new);
+}
+#define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg_acquire
+#endif
+
+#if defined(arch_atomic64_try_cmpxchg_release)
+static inline bool
+atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new)
+{
+ kasan_check_write(v, sizeof(*v));
+ kasan_check_write(old, sizeof(*old));
+ return arch_atomic64_try_cmpxchg_release(v, old, new);
+}
+#define atomic64_try_cmpxchg_release atomic64_try_cmpxchg_release
+#endif
+
+#if defined(arch_atomic64_try_cmpxchg_relaxed)
+static inline bool
+atomic64_try_cmpxchg_relaxed(atomic64_t *v, s64 *old, s64 new)
+{
+ kasan_check_write(v, sizeof(*v));
+ kasan_check_write(old, sizeof(*old));
+ return arch_atomic64_try_cmpxchg_relaxed(v, old, new);
+}
+#define atomic64_try_cmpxchg_relaxed atomic64_try_cmpxchg_relaxed
+#endif
+
+#if defined(arch_atomic64_sub_and_test)
+static inline bool
+atomic64_sub_and_test(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
return arch_atomic64_sub_and_test(i, v);
}
+#define atomic64_sub_and_test atomic64_sub_and_test
#endif
-#ifdef arch_atomic_add_negative
-#define atomic_add_negative atomic_add_negative
-static __always_inline bool atomic_add_negative(int i, atomic_t *v)
+#if defined(arch_atomic64_dec_and_test)
+static inline bool
+atomic64_dec_and_test(atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
- return arch_atomic_add_negative(i, v);
+ return arch_atomic64_dec_and_test(v);
}
+#define atomic64_dec_and_test atomic64_dec_and_test
#endif
-#ifdef arch_atomic64_add_negative
-#define atomic64_add_negative atomic64_add_negative
-static __always_inline bool atomic64_add_negative(s64 i, atomic64_t *v)
+#if defined(arch_atomic64_inc_and_test)
+static inline bool
+atomic64_inc_and_test(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_inc_and_test(v);
+}
+#define atomic64_inc_and_test atomic64_inc_and_test
+#endif
+
+#if defined(arch_atomic64_add_negative)
+static inline bool
+atomic64_add_negative(s64 i, atomic64_t *v)
{
kasan_check_write(v, sizeof(*v));
return arch_atomic64_add_negative(i, v);
}
+#define atomic64_add_negative atomic64_add_negative
+#endif
+
+#if defined(arch_atomic64_fetch_add_unless)
+static inline s64
+atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_fetch_add_unless(v, a, u);
+}
+#define atomic64_fetch_add_unless atomic64_fetch_add_unless
+#endif
+
+#if defined(arch_atomic64_add_unless)
+static inline bool
+atomic64_add_unless(atomic64_t *v, s64 a, s64 u)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_add_unless(v, a, u);
+}
+#define atomic64_add_unless atomic64_add_unless
+#endif
+
+#if defined(arch_atomic64_inc_not_zero)
+static inline bool
+atomic64_inc_not_zero(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_inc_not_zero(v);
+}
+#define atomic64_inc_not_zero atomic64_inc_not_zero
+#endif
+
+#if defined(arch_atomic64_inc_unless_negative)
+static inline bool
+atomic64_inc_unless_negative(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_inc_unless_negative(v);
+}
+#define atomic64_inc_unless_negative atomic64_inc_unless_negative
+#endif
+
+#if defined(arch_atomic64_dec_unless_positive)
+static inline bool
+atomic64_dec_unless_positive(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_dec_unless_positive(v);
+}
+#define atomic64_dec_unless_positive atomic64_dec_unless_positive
+#endif
+
+#if defined(arch_atomic64_dec_if_positive)
+static inline s64
+atomic64_dec_if_positive(atomic64_t *v)
+{
+ kasan_check_write(v, sizeof(*v));
+ return arch_atomic64_dec_if_positive(v);
+}
+#define atomic64_dec_if_positive atomic64_dec_if_positive
+#endif
+
+#if !defined(arch_xchg_relaxed) || defined(arch_xchg)
+#define xchg(ptr, ...) \
+({ \
+ typeof(ptr) __ai_ptr = (ptr); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_xchg(__ai_ptr, __VA_ARGS__); \
+})
+#endif
+
+#if defined(arch_xchg_acquire)
+#define xchg_acquire(ptr, ...) \
+({ \
+ typeof(ptr) __ai_ptr = (ptr); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_xchg_acquire(__ai_ptr, __VA_ARGS__); \
+})
+#endif
+
+#if defined(arch_xchg_release)
+#define xchg_release(ptr, ...) \
+({ \
+ typeof(ptr) __ai_ptr = (ptr); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_xchg_release(__ai_ptr, __VA_ARGS__); \
+})
+#endif
+
+#if defined(arch_xchg_relaxed)
+#define xchg_relaxed(ptr, ...) \
+({ \
+ typeof(ptr) __ai_ptr = (ptr); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_xchg_relaxed(__ai_ptr, __VA_ARGS__); \
+})
+#endif
+
+#if !defined(arch_cmpxchg_relaxed) || defined(arch_cmpxchg)
+#define cmpxchg(ptr, ...) \
+({ \
+ typeof(ptr) __ai_ptr = (ptr); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_cmpxchg(__ai_ptr, __VA_ARGS__); \
+})
+#endif
+
+#if defined(arch_cmpxchg_acquire)
+#define cmpxchg_acquire(ptr, ...) \
+({ \
+ typeof(ptr) __ai_ptr = (ptr); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_cmpxchg_acquire(__ai_ptr, __VA_ARGS__); \
+})
+#endif
+
+#if defined(arch_cmpxchg_release)
+#define cmpxchg_release(ptr, ...) \
+({ \
+ typeof(ptr) __ai_ptr = (ptr); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_cmpxchg_release(__ai_ptr, __VA_ARGS__); \
+})
#endif
-#define xchg(ptr, new) \
+#if defined(arch_cmpxchg_relaxed)
+#define cmpxchg_relaxed(ptr, ...) \
({ \
typeof(ptr) __ai_ptr = (ptr); \
- kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
- arch_xchg(__ai_ptr, (new)); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_cmpxchg_relaxed(__ai_ptr, __VA_ARGS__); \
})
+#endif
-#define cmpxchg(ptr, old, new) \
+#if !defined(arch_cmpxchg64_relaxed) || defined(arch_cmpxchg64)
+#define cmpxchg64(ptr, ...) \
({ \
typeof(ptr) __ai_ptr = (ptr); \
- kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
- arch_cmpxchg(__ai_ptr, (old), (new)); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_cmpxchg64(__ai_ptr, __VA_ARGS__); \
})
+#endif
-#define sync_cmpxchg(ptr, old, new) \
+#if defined(arch_cmpxchg64_acquire)
+#define cmpxchg64_acquire(ptr, ...) \
({ \
typeof(ptr) __ai_ptr = (ptr); \
- kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
- arch_sync_cmpxchg(__ai_ptr, (old), (new)); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_cmpxchg64_acquire(__ai_ptr, __VA_ARGS__); \
})
+#endif
-#define cmpxchg_local(ptr, old, new) \
+#if defined(arch_cmpxchg64_release)
+#define cmpxchg64_release(ptr, ...) \
({ \
typeof(ptr) __ai_ptr = (ptr); \
- kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
- arch_cmpxchg_local(__ai_ptr, (old), (new)); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_cmpxchg64_release(__ai_ptr, __VA_ARGS__); \
})
+#endif
-#define cmpxchg64(ptr, old, new) \
+#if defined(arch_cmpxchg64_relaxed)
+#define cmpxchg64_relaxed(ptr, ...) \
({ \
typeof(ptr) __ai_ptr = (ptr); \
- kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
- arch_cmpxchg64(__ai_ptr, (old), (new)); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_cmpxchg64_relaxed(__ai_ptr, __VA_ARGS__); \
})
+#endif
-#define cmpxchg64_local(ptr, old, new) \
+#define cmpxchg_local(ptr, ...) \
({ \
typeof(ptr) __ai_ptr = (ptr); \
- kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
- arch_cmpxchg64_local(__ai_ptr, (old), (new)); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_cmpxchg_local(__ai_ptr, __VA_ARGS__); \
})
-#define cmpxchg_double(p1, p2, o1, o2, n1, n2) \
+#define cmpxchg64_local(ptr, ...) \
({ \
- typeof(p1) __ai_p1 = (p1); \
- kasan_check_write(__ai_p1, 2 * sizeof(*__ai_p1)); \
- arch_cmpxchg_double(__ai_p1, (p2), (o1), (o2), (n1), (n2)); \
+ typeof(ptr) __ai_ptr = (ptr); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_cmpxchg64_local(__ai_ptr, __VA_ARGS__); \
})
-#define cmpxchg_double_local(p1, p2, o1, o2, n1, n2) \
-({ \
- typeof(p1) __ai_p1 = (p1); \
- kasan_check_write(__ai_p1, 2 * sizeof(*__ai_p1)); \
- arch_cmpxchg_double_local(__ai_p1, (p2), (o1), (o2), (n1), (n2)); \
+#define sync_cmpxchg(ptr, ...) \
+({ \
+ typeof(ptr) __ai_ptr = (ptr); \
+ kasan_check_write(__ai_ptr, sizeof(*__ai_ptr)); \
+ arch_sync_cmpxchg(__ai_ptr, __VA_ARGS__); \
+})
+
+#define cmpxchg_double(ptr, ...) \
+({ \
+ typeof(ptr) __ai_ptr = (ptr); \
+ kasan_check_write(__ai_ptr, 2 * sizeof(*__ai_ptr)); \
+ arch_cmpxchg_double(__ai_ptr, __VA_ARGS__); \
+})
+
+
+#define cmpxchg_double_local(ptr, ...) \
+({ \
+ typeof(ptr) __ai_ptr = (ptr); \
+ kasan_check_write(__ai_ptr, 2 * sizeof(*__ai_ptr)); \
+ arch_cmpxchg_double_local(__ai_ptr, __VA_ARGS__); \
})
-#endif /* _LINUX_ATOMIC_INSTRUMENTED_H */
+#endif /* _ASM_GENERIC_ATOMIC_INSTRUMENTED_H */
diff --git a/include/asm-generic/atomic-long.h b/include/asm-generic/atomic-long.h
index 87d14476edc2..a833d385a70b 100644
--- a/include/asm-generic/atomic-long.h
+++ b/include/asm-generic/atomic-long.h
@@ -1,269 +1,1012 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
+
+// Generated by scripts/atomic/gen-atomic-long.sh
+// DO NOT MODIFY THIS FILE DIRECTLY
+
#ifndef _ASM_GENERIC_ATOMIC_LONG_H
#define _ASM_GENERIC_ATOMIC_LONG_H
-/*
- * Copyright (C) 2005 Silicon Graphics, Inc.
- * Christoph Lameter
- *
- * Allows to provide arch independent atomic definitions without the need to
- * edit all arch specific atomic.h files.
- */
#include <asm/types.h>
-/*
- * Suppport for atomic_long_t
- *
- * Casts for parameters are avoided for existing atomic functions in order to
- * avoid issues with cast-as-lval under gcc 4.x and other limitations that the
- * macros of a platform may have.
- */
+#ifdef CONFIG_64BIT
+typedef atomic64_t atomic_long_t;
+#define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i)
+#define atomic_long_cond_read_acquire atomic64_cond_read_acquire
+#define atomic_long_cond_read_relaxed atomic64_cond_read_relaxed
+#else
+typedef atomic_t atomic_long_t;
+#define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
+#define atomic_long_cond_read_acquire atomic_cond_read_acquire
+#define atomic_long_cond_read_relaxed atomic_cond_read_relaxed
+#endif
-#if BITS_PER_LONG == 64
+#ifdef CONFIG_64BIT
-typedef atomic64_t atomic_long_t;
+static inline long
+atomic_long_read(const atomic_long_t *v)
+{
+ return atomic64_read(v);
+}
-#define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i)
-#define ATOMIC_LONG_PFX(x) atomic64 ## x
-#define ATOMIC_LONG_TYPE s64
+static inline long
+atomic_long_read_acquire(const atomic_long_t *v)
+{
+ return atomic64_read_acquire(v);
+}
-#else
+static inline void
+atomic_long_set(atomic_long_t *v, long i)
+{
+ atomic64_set(v, i);
+}
-typedef atomic_t atomic_long_t;
+static inline void
+atomic_long_set_release(atomic_long_t *v, long i)
+{
+ atomic64_set_release(v, i);
+}
-#define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
-#define ATOMIC_LONG_PFX(x) atomic ## x
-#define ATOMIC_LONG_TYPE int
+static inline void
+atomic_long_add(long i, atomic_long_t *v)
+{
+ atomic64_add(i, v);
+}
-#endif
+static inline long
+atomic_long_add_return(long i, atomic_long_t *v)
+{
+ return atomic64_add_return(i, v);
+}
+
+static inline long
+atomic_long_add_return_acquire(long i, atomic_long_t *v)
+{
+ return atomic64_add_return_acquire(i, v);
+}
+
+static inline long
+atomic_long_add_return_release(long i, atomic_long_t *v)
+{
+ return atomic64_add_return_release(i, v);
+}
+
+static inline long
+atomic_long_add_return_relaxed(long i, atomic_long_t *v)
+{
+ return atomic64_add_return_relaxed(i, v);
+}
+
+static inline long
+atomic_long_fetch_add(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_add(i, v);
+}
+
+static inline long
+atomic_long_fetch_add_acquire(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_add_acquire(i, v);
+}
+
+static inline long
+atomic_long_fetch_add_release(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_add_release(i, v);
+}
+
+static inline long
+atomic_long_fetch_add_relaxed(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_add_relaxed(i, v);
+}
+
+static inline void
+atomic_long_sub(long i, atomic_long_t *v)
+{
+ atomic64_sub(i, v);
+}
+
+static inline long
+atomic_long_sub_return(long i, atomic_long_t *v)
+{
+ return atomic64_sub_return(i, v);
+}
+
+static inline long
+atomic_long_sub_return_acquire(long i, atomic_long_t *v)
+{
+ return atomic64_sub_return_acquire(i, v);
+}
+
+static inline long
+atomic_long_sub_return_release(long i, atomic_long_t *v)
+{
+ return atomic64_sub_return_release(i, v);
+}
+
+static inline long
+atomic_long_sub_return_relaxed(long i, atomic_long_t *v)
+{
+ return atomic64_sub_return_relaxed(i, v);
+}
+
+static inline long
+atomic_long_fetch_sub(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_sub(i, v);
+}
+
+static inline long
+atomic_long_fetch_sub_acquire(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_sub_acquire(i, v);
+}
+
+static inline long
+atomic_long_fetch_sub_release(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_sub_release(i, v);
+}
+
+static inline long
+atomic_long_fetch_sub_relaxed(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_sub_relaxed(i, v);
+}
+
+static inline void
+atomic_long_inc(atomic_long_t *v)
+{
+ atomic64_inc(v);
+}
+
+static inline long
+atomic_long_inc_return(atomic_long_t *v)
+{
+ return atomic64_inc_return(v);
+}
+
+static inline long
+atomic_long_inc_return_acquire(atomic_long_t *v)
+{
+ return atomic64_inc_return_acquire(v);
+}
+
+static inline long
+atomic_long_inc_return_release(atomic_long_t *v)
+{
+ return atomic64_inc_return_release(v);
+}
+
+static inline long
+atomic_long_inc_return_relaxed(atomic_long_t *v)
+{
+ return atomic64_inc_return_relaxed(v);
+}
+
+static inline long
+atomic_long_fetch_inc(atomic_long_t *v)
+{
+ return atomic64_fetch_inc(v);
+}
+
+static inline long
+atomic_long_fetch_inc_acquire(atomic_long_t *v)
+{
+ return atomic64_fetch_inc_acquire(v);
+}
+
+static inline long
+atomic_long_fetch_inc_release(atomic_long_t *v)
+{
+ return atomic64_fetch_inc_release(v);
+}
+
+static inline long
+atomic_long_fetch_inc_relaxed(atomic_long_t *v)
+{
+ return atomic64_fetch_inc_relaxed(v);
+}
+
+static inline void
+atomic_long_dec(atomic_long_t *v)
+{
+ atomic64_dec(v);
+}
+
+static inline long
+atomic_long_dec_return(atomic_long_t *v)
+{
+ return atomic64_dec_return(v);
+}
+
+static inline long
+atomic_long_dec_return_acquire(atomic_long_t *v)
+{
+ return atomic64_dec_return_acquire(v);
+}
+
+static inline long
+atomic_long_dec_return_release(atomic_long_t *v)
+{
+ return atomic64_dec_return_release(v);
+}
+
+static inline long
+atomic_long_dec_return_relaxed(atomic_long_t *v)
+{
+ return atomic64_dec_return_relaxed(v);
+}
+
+static inline long
+atomic_long_fetch_dec(atomic_long_t *v)
+{
+ return atomic64_fetch_dec(v);
+}
+
+static inline long
+atomic_long_fetch_dec_acquire(atomic_long_t *v)
+{
+ return atomic64_fetch_dec_acquire(v);
+}
+
+static inline long
+atomic_long_fetch_dec_release(atomic_long_t *v)
+{
+ return atomic64_fetch_dec_release(v);
+}
+
+static inline long
+atomic_long_fetch_dec_relaxed(atomic_long_t *v)
+{
+ return atomic64_fetch_dec_relaxed(v);
+}
+
+static inline void
+atomic_long_and(long i, atomic_long_t *v)
+{
+ atomic64_and(i, v);
+}
+
+static inline long
+atomic_long_fetch_and(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_and(i, v);
+}
+
+static inline long
+atomic_long_fetch_and_acquire(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_and_acquire(i, v);
+}
+
+static inline long
+atomic_long_fetch_and_release(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_and_release(i, v);
+}
+
+static inline long
+atomic_long_fetch_and_relaxed(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_and_relaxed(i, v);
+}
+
+static inline void
+atomic_long_andnot(long i, atomic_long_t *v)
+{
+ atomic64_andnot(i, v);
+}
+
+static inline long
+atomic_long_fetch_andnot(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_andnot(i, v);
+}
+
+static inline long
+atomic_long_fetch_andnot_acquire(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_andnot_acquire(i, v);
+}
+
+static inline long
+atomic_long_fetch_andnot_release(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_andnot_release(i, v);
+}
+
+static inline long
+atomic_long_fetch_andnot_relaxed(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_andnot_relaxed(i, v);
+}
+
+static inline void
+atomic_long_or(long i, atomic_long_t *v)
+{
+ atomic64_or(i, v);
+}
+
+static inline long
+atomic_long_fetch_or(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_or(i, v);
+}
+
+static inline long
+atomic_long_fetch_or_acquire(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_or_acquire(i, v);
+}
+
+static inline long
+atomic_long_fetch_or_release(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_or_release(i, v);
+}
+
+static inline long
+atomic_long_fetch_or_relaxed(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_or_relaxed(i, v);
+}
+
+static inline void
+atomic_long_xor(long i, atomic_long_t *v)
+{
+ atomic64_xor(i, v);
+}
+
+static inline long
+atomic_long_fetch_xor(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_xor(i, v);
+}
+
+static inline long
+atomic_long_fetch_xor_acquire(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_xor_acquire(i, v);
+}
+
+static inline long
+atomic_long_fetch_xor_release(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_xor_release(i, v);
+}
+
+static inline long
+atomic_long_fetch_xor_relaxed(long i, atomic_long_t *v)
+{
+ return atomic64_fetch_xor_relaxed(i, v);
+}
+
+static inline long
+atomic_long_xchg(atomic_long_t *v, long i)
+{
+ return atomic64_xchg(v, i);
+}
+
+static inline long
+atomic_long_xchg_acquire(atomic_long_t *v, long i)
+{
+ return atomic64_xchg_acquire(v, i);
+}
+
+static inline long
+atomic_long_xchg_release(atomic_long_t *v, long i)
+{
+ return atomic64_xchg_release(v, i);
+}
+
+static inline long
+atomic_long_xchg_relaxed(atomic_long_t *v, long i)
+{
+ return atomic64_xchg_relaxed(v, i);
+}
+
+static inline long
+atomic_long_cmpxchg(atomic_long_t *v, long old, long new)
+{
+ return atomic64_cmpxchg(v, old, new);
+}
+
+static inline long
+atomic_long_cmpxchg_acquire(atomic_long_t *v, long old, long new)
+{
+ return atomic64_cmpxchg_acquire(v, old, new);
+}
+
+static inline long
+atomic_long_cmpxchg_release(atomic_long_t *v, long old, long new)
+{
+ return atomic64_cmpxchg_release(v, old, new);
+}
+
+static inline long
+atomic_long_cmpxchg_relaxed(atomic_long_t *v, long old, long new)
+{
+ return atomic64_cmpxchg_relaxed(v, old, new);
+}
+
+static inline bool
+atomic_long_try_cmpxchg(atomic_long_t *v, long *old, long new)
+{
+ return atomic64_try_cmpxchg(v, (s64 *)old, new);
+}
+
+static inline bool
+atomic_long_try_cmpxchg_acquire(atomic_long_t *v, long *old, long new)
+{
+ return atomic64_try_cmpxchg_acquire(v, (s64 *)old, new);
+}
+
+static inline bool
+atomic_long_try_cmpxchg_release(atomic_long_t *v, long *old, long new)
+{
+ return atomic64_try_cmpxchg_release(v, (s64 *)old, new);
+}
+
+static inline bool
+atomic_long_try_cmpxchg_relaxed(atomic_long_t *v, long *old, long new)
+{
+ return atomic64_try_cmpxchg_relaxed(v, (s64 *)old, new);
+}
+
+static inline bool
+atomic_long_sub_and_test(long i, atomic_long_t *v)
+{
+ return atomic64_sub_and_test(i, v);
+}
+
+static inline bool
+atomic_long_dec_and_test(atomic_long_t *v)
+{
+ return atomic64_dec_and_test(v);
+}
+
+static inline bool
+atomic_long_inc_and_test(atomic_long_t *v)
+{
+ return atomic64_inc_and_test(v);
+}
+
+static inline bool
+atomic_long_add_negative(long i, atomic_long_t *v)
+{
+ return atomic64_add_negative(i, v);
+}
+
+static inline long
+atomic_long_fetch_add_unless(atomic_long_t *v, long a, long u)
+{
+ return atomic64_fetch_add_unless(v, a, u);
+}
+
+static inline bool
+atomic_long_add_unless(atomic_long_t *v, long a, long u)
+{
+ return atomic64_add_unless(v, a, u);
+}
+
+static inline bool
+atomic_long_inc_not_zero(atomic_long_t *v)
+{
+ return atomic64_inc_not_zero(v);
+}
+
+static inline bool
+atomic_long_inc_unless_negative(atomic_long_t *v)
+{
+ return atomic64_inc_unless_negative(v);
+}
+
+static inline bool
+atomic_long_dec_unless_positive(atomic_long_t *v)
+{
+ return atomic64_dec_unless_positive(v);
+}
+
+static inline long
+atomic_long_dec_if_positive(atomic_long_t *v)
+{
+ return atomic64_dec_if_positive(v);
+}
+
+#else /* CONFIG_64BIT */
+
+static inline long
+atomic_long_read(const atomic_long_t *v)
+{
+ return atomic_read(v);
+}
+
+static inline long
+atomic_long_read_acquire(const atomic_long_t *v)
+{
+ return atomic_read_acquire(v);
+}
+
+static inline void
+atomic_long_set(atomic_long_t *v, long i)
+{
+ atomic_set(v, i);
+}
+
+static inline void
+atomic_long_set_release(atomic_long_t *v, long i)
+{
+ atomic_set_release(v, i);
+}
+
+static inline void
+atomic_long_add(long i, atomic_long_t *v)
+{
+ atomic_add(i, v);
+}
+
+static inline long
+atomic_long_add_return(long i, atomic_long_t *v)
+{
+ return atomic_add_return(i, v);
+}
+
+static inline long
+atomic_long_add_return_acquire(long i, atomic_long_t *v)
+{
+ return atomic_add_return_acquire(i, v);
+}
+
+static inline long
+atomic_long_add_return_release(long i, atomic_long_t *v)
+{
+ return atomic_add_return_release(i, v);
+}
+
+static inline long
+atomic_long_add_return_relaxed(long i, atomic_long_t *v)
+{
+ return atomic_add_return_relaxed(i, v);
+}
+
+static inline long
+atomic_long_fetch_add(long i, atomic_long_t *v)
+{
+ return atomic_fetch_add(i, v);
+}
+
+static inline long
+atomic_long_fetch_add_acquire(long i, atomic_long_t *v)
+{
+ return atomic_fetch_add_acquire(i, v);
+}
+
+static inline long
+atomic_long_fetch_add_release(long i, atomic_long_t *v)
+{
+ return atomic_fetch_add_release(i, v);
+}
+
+static inline long
+atomic_long_fetch_add_relaxed(long i, atomic_long_t *v)
+{
+ return atomic_fetch_add_relaxed(i, v);
+}
+
+static inline void
+atomic_long_sub(long i, atomic_long_t *v)
+{
+ atomic_sub(i, v);
+}
+
+static inline long
+atomic_long_sub_return(long i, atomic_long_t *v)
+{
+ return atomic_sub_return(i, v);
+}
+
+static inline long
+atomic_long_sub_return_acquire(long i, atomic_long_t *v)
+{
+ return atomic_sub_return_acquire(i, v);
+}
+
+static inline long
+atomic_long_sub_return_release(long i, atomic_long_t *v)
+{
+ return atomic_sub_return_release(i, v);
+}
+
+static inline long
+atomic_long_sub_return_relaxed(long i, atomic_long_t *v)
+{
+ return atomic_sub_return_relaxed(i, v);
+}
+
+static inline long
+atomic_long_fetch_sub(long i, atomic_long_t *v)
+{
+ return atomic_fetch_sub(i, v);
+}
+
+static inline long
+atomic_long_fetch_sub_acquire(long i, atomic_long_t *v)
+{
+ return atomic_fetch_sub_acquire(i, v);
+}
+
+static inline long
+atomic_long_fetch_sub_release(long i, atomic_long_t *v)
+{
+ return atomic_fetch_sub_release(i, v);
+}
+
+static inline long
+atomic_long_fetch_sub_relaxed(long i, atomic_long_t *v)
+{
+ return atomic_fetch_sub_relaxed(i, v);
+}
+
+static inline void
+atomic_long_inc(atomic_long_t *v)
+{
+ atomic_inc(v);
+}
+
+static inline long
+atomic_long_inc_return(atomic_long_t *v)
+{
+ return atomic_inc_return(v);
+}
+
+static inline long
+atomic_long_inc_return_acquire(atomic_long_t *v)
+{
+ return atomic_inc_return_acquire(v);
+}
+
+static inline long
+atomic_long_inc_return_release(atomic_long_t *v)
+{
+ return atomic_inc_return_release(v);
+}
+
+static inline long
+atomic_long_inc_return_relaxed(atomic_long_t *v)
+{
+ return atomic_inc_return_relaxed(v);
+}
+
+static inline long
+atomic_long_fetch_inc(atomic_long_t *v)
+{
+ return atomic_fetch_inc(v);
+}
+
+static inline long
+atomic_long_fetch_inc_acquire(atomic_long_t *v)
+{
+ return atomic_fetch_inc_acquire(v);
+}
+
+static inline long
+atomic_long_fetch_inc_release(atomic_long_t *v)
+{
+ return atomic_fetch_inc_release(v);
+}
+
+static inline long
+atomic_long_fetch_inc_relaxed(atomic_long_t *v)
+{
+ return atomic_fetch_inc_relaxed(v);
+}
+
+static inline void
+atomic_long_dec(atomic_long_t *v)
+{
+ atomic_dec(v);
+}
+
+static inline long
+atomic_long_dec_return(atomic_long_t *v)
+{
+ return atomic_dec_return(v);
+}
+
+static inline long
+atomic_long_dec_return_acquire(atomic_long_t *v)
+{
+ return atomic_dec_return_acquire(v);
+}
+
+static inline long
+atomic_long_dec_return_release(atomic_long_t *v)
+{
+ return atomic_dec_return_release(v);
+}
+
+static inline long
+atomic_long_dec_return_relaxed(atomic_long_t *v)
+{
+ return atomic_dec_return_relaxed(v);
+}
+
+static inline long
+atomic_long_fetch_dec(atomic_long_t *v)
+{
+ return atomic_fetch_dec(v);
+}
+
+static inline long
+atomic_long_fetch_dec_acquire(atomic_long_t *v)
+{
+ return atomic_fetch_dec_acquire(v);
+}
+
+static inline long
+atomic_long_fetch_dec_release(atomic_long_t *v)
+{
+ return atomic_fetch_dec_release(v);
+}
+
+static inline long
+atomic_long_fetch_dec_relaxed(atomic_long_t *v)
+{
+ return atomic_fetch_dec_relaxed(v);
+}
+
+static inline void
+atomic_long_and(long i, atomic_long_t *v)
+{
+ atomic_and(i, v);
+}
+
+static inline long
+atomic_long_fetch_and(long i, atomic_long_t *v)
+{
+ return atomic_fetch_and(i, v);
+}
+
+static inline long
+atomic_long_fetch_and_acquire(long i, atomic_long_t *v)
+{
+ return atomic_fetch_and_acquire(i, v);
+}
+
+static inline long
+atomic_long_fetch_and_release(long i, atomic_long_t *v)
+{
+ return atomic_fetch_and_release(i, v);
+}
+
+static inline long
+atomic_long_fetch_and_relaxed(long i, atomic_long_t *v)
+{
+ return atomic_fetch_and_relaxed(i, v);
+}
+
+static inline void
+atomic_long_andnot(long i, atomic_long_t *v)
+{
+ atomic_andnot(i, v);
+}
+
+static inline long
+atomic_long_fetch_andnot(long i, atomic_long_t *v)
+{
+ return atomic_fetch_andnot(i, v);
+}
+
+static inline long
+atomic_long_fetch_andnot_acquire(long i, atomic_long_t *v)
+{
+ return atomic_fetch_andnot_acquire(i, v);
+}
+
+static inline long
+atomic_long_fetch_andnot_release(long i, atomic_long_t *v)
+{
+ return atomic_fetch_andnot_release(i, v);
+}
+
+static inline long
+atomic_long_fetch_andnot_relaxed(long i, atomic_long_t *v)
+{
+ return atomic_fetch_andnot_relaxed(i, v);
+}
-#define ATOMIC_LONG_READ_OP(mo) \
-static inline long atomic_long_read##mo(const atomic_long_t *l) \
-{ \
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; \
- \
- return (long)ATOMIC_LONG_PFX(_read##mo)(v); \
-}
-ATOMIC_LONG_READ_OP()
-ATOMIC_LONG_READ_OP(_acquire)
-
-#undef ATOMIC_LONG_READ_OP
-
-#define ATOMIC_LONG_SET_OP(mo) \
-static inline void atomic_long_set##mo(atomic_long_t *l, long i) \
-{ \
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; \
- \
- ATOMIC_LONG_PFX(_set##mo)(v, i); \
-}
-ATOMIC_LONG_SET_OP()
-ATOMIC_LONG_SET_OP(_release)
-
-#undef ATOMIC_LONG_SET_OP
-
-#define ATOMIC_LONG_ADD_SUB_OP(op, mo) \
-static inline long \
-atomic_long_##op##_return##mo(long i, atomic_long_t *l) \
-{ \
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; \
- \
- return (long)ATOMIC_LONG_PFX(_##op##_return##mo)(i, v); \
-}
-ATOMIC_LONG_ADD_SUB_OP(add,)
-ATOMIC_LONG_ADD_SUB_OP(add, _relaxed)
-ATOMIC_LONG_ADD_SUB_OP(add, _acquire)
-ATOMIC_LONG_ADD_SUB_OP(add, _release)
-ATOMIC_LONG_ADD_SUB_OP(sub,)
-ATOMIC_LONG_ADD_SUB_OP(sub, _relaxed)
-ATOMIC_LONG_ADD_SUB_OP(sub, _acquire)
-ATOMIC_LONG_ADD_SUB_OP(sub, _release)
-
-#undef ATOMIC_LONG_ADD_SUB_OP
-
-#define atomic_long_cmpxchg_relaxed(l, old, new) \
- (ATOMIC_LONG_PFX(_cmpxchg_relaxed)((ATOMIC_LONG_PFX(_t) *)(l), \
- (old), (new)))
-#define atomic_long_cmpxchg_acquire(l, old, new) \
- (ATOMIC_LONG_PFX(_cmpxchg_acquire)((ATOMIC_LONG_PFX(_t) *)(l), \
- (old), (new)))
-#define atomic_long_cmpxchg_release(l, old, new) \
- (ATOMIC_LONG_PFX(_cmpxchg_release)((ATOMIC_LONG_PFX(_t) *)(l), \
- (old), (new)))
-#define atomic_long_cmpxchg(l, old, new) \
- (ATOMIC_LONG_PFX(_cmpxchg)((ATOMIC_LONG_PFX(_t) *)(l), (old), (new)))
-
-
-#define atomic_long_try_cmpxchg_relaxed(l, old, new) \
- (ATOMIC_LONG_PFX(_try_cmpxchg_relaxed)((ATOMIC_LONG_PFX(_t) *)(l), \
- (ATOMIC_LONG_TYPE *)(old), (ATOMIC_LONG_TYPE)(new)))
-#define atomic_long_try_cmpxchg_acquire(l, old, new) \
- (ATOMIC_LONG_PFX(_try_cmpxchg_acquire)((ATOMIC_LONG_PFX(_t) *)(l), \
- (ATOMIC_LONG_TYPE *)(old), (ATOMIC_LONG_TYPE)(new)))
-#define atomic_long_try_cmpxchg_release(l, old, new) \
- (ATOMIC_LONG_PFX(_try_cmpxchg_release)((ATOMIC_LONG_PFX(_t) *)(l), \
- (ATOMIC_LONG_TYPE *)(old), (ATOMIC_LONG_TYPE)(new)))
-#define atomic_long_try_cmpxchg(l, old, new) \
- (ATOMIC_LONG_PFX(_try_cmpxchg)((ATOMIC_LONG_PFX(_t) *)(l), \
- (ATOMIC_LONG_TYPE *)(old), (ATOMIC_LONG_TYPE)(new)))
-
-
-#define atomic_long_xchg_relaxed(v, new) \
- (ATOMIC_LONG_PFX(_xchg_relaxed)((ATOMIC_LONG_PFX(_t) *)(v), (new)))
-#define atomic_long_xchg_acquire(v, new) \
- (ATOMIC_LONG_PFX(_xchg_acquire)((ATOMIC_LONG_PFX(_t) *)(v), (new)))
-#define atomic_long_xchg_release(v, new) \
- (ATOMIC_LONG_PFX(_xchg_release)((ATOMIC_LONG_PFX(_t) *)(v), (new)))
-#define atomic_long_xchg(v, new) \
- (ATOMIC_LONG_PFX(_xchg)((ATOMIC_LONG_PFX(_t) *)(v), (new)))
-
-static __always_inline void atomic_long_inc(atomic_long_t *l)
-{
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
-
- ATOMIC_LONG_PFX(_inc)(v);
-}
-
-static __always_inline void atomic_long_dec(atomic_long_t *l)
+static inline void
+atomic_long_or(long i, atomic_long_t *v)
{
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
+ atomic_or(i, v);
+}
- ATOMIC_LONG_PFX(_dec)(v);
+static inline long
+atomic_long_fetch_or(long i, atomic_long_t *v)
+{
+ return atomic_fetch_or(i, v);
}
-#define ATOMIC_LONG_FETCH_OP(op, mo) \
-static inline long \
-atomic_long_fetch_##op##mo(long i, atomic_long_t *l) \
-{ \
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; \
- \
- return (long)ATOMIC_LONG_PFX(_fetch_##op##mo)(i, v); \
+static inline long
+atomic_long_fetch_or_acquire(long i, atomic_long_t *v)
+{
+ return atomic_fetch_or_acquire(i, v);
}
-ATOMIC_LONG_FETCH_OP(add, )
-ATOMIC_LONG_FETCH_OP(add, _relaxed)
-ATOMIC_LONG_FETCH_OP(add, _acquire)
-ATOMIC_LONG_FETCH_OP(add, _release)
-ATOMIC_LONG_FETCH_OP(sub, )
-ATOMIC_LONG_FETCH_OP(sub, _relaxed)
-ATOMIC_LONG_FETCH_OP(sub, _acquire)
-ATOMIC_LONG_FETCH_OP(sub, _release)
-ATOMIC_LONG_FETCH_OP(and, )
-ATOMIC_LONG_FETCH_OP(and, _relaxed)
-ATOMIC_LONG_FETCH_OP(and, _acquire)
-ATOMIC_LONG_FETCH_OP(and, _release)
-ATOMIC_LONG_FETCH_OP(andnot, )
-ATOMIC_LONG_FETCH_OP(andnot, _relaxed)
-ATOMIC_LONG_FETCH_OP(andnot, _acquire)
-ATOMIC_LONG_FETCH_OP(andnot, _release)
-ATOMIC_LONG_FETCH_OP(or, )
-ATOMIC_LONG_FETCH_OP(or, _relaxed)
-ATOMIC_LONG_FETCH_OP(or, _acquire)
-ATOMIC_LONG_FETCH_OP(or, _release)
-ATOMIC_LONG_FETCH_OP(xor, )
-ATOMIC_LONG_FETCH_OP(xor, _relaxed)
-ATOMIC_LONG_FETCH_OP(xor, _acquire)
-ATOMIC_LONG_FETCH_OP(xor, _release)
+static inline long
+atomic_long_fetch_or_release(long i, atomic_long_t *v)
+{
+ return atomic_fetch_or_release(i, v);
+}
-#undef ATOMIC_LONG_FETCH_OP
+static inline long
+atomic_long_fetch_or_relaxed(long i, atomic_long_t *v)
+{
+ return atomic_fetch_or_relaxed(i, v);
+}
-#define ATOMIC_LONG_FETCH_INC_DEC_OP(op, mo) \
-static inline long \
-atomic_long_fetch_##op##mo(atomic_long_t *l) \
-{ \
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; \
- \
- return (long)ATOMIC_LONG_PFX(_fetch_##op##mo)(v); \
+static inline void
+atomic_long_xor(long i, atomic_long_t *v)
+{
+ atomic_xor(i, v);
}
-ATOMIC_LONG_FETCH_INC_DEC_OP(inc,)
-ATOMIC_LONG_FETCH_INC_DEC_OP(inc, _relaxed)
-ATOMIC_LONG_FETCH_INC_DEC_OP(inc, _acquire)
-ATOMIC_LONG_FETCH_INC_DEC_OP(inc, _release)
-ATOMIC_LONG_FETCH_INC_DEC_OP(dec,)
-ATOMIC_LONG_FETCH_INC_DEC_OP(dec, _relaxed)
-ATOMIC_LONG_FETCH_INC_DEC_OP(dec, _acquire)
-ATOMIC_LONG_FETCH_INC_DEC_OP(dec, _release)
+static inline long
+atomic_long_fetch_xor(long i, atomic_long_t *v)
+{
+ return atomic_fetch_xor(i, v);
+}
-#undef ATOMIC_LONG_FETCH_INC_DEC_OP
+static inline long
+atomic_long_fetch_xor_acquire(long i, atomic_long_t *v)
+{
+ return atomic_fetch_xor_acquire(i, v);
+}
-#define ATOMIC_LONG_OP(op) \
-static __always_inline void \
-atomic_long_##op(long i, atomic_long_t *l) \
-{ \
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; \
- \
- ATOMIC_LONG_PFX(_##op)(i, v); \
+static inline long
+atomic_long_fetch_xor_release(long i, atomic_long_t *v)
+{
+ return atomic_fetch_xor_release(i, v);
}
-ATOMIC_LONG_OP(add)
-ATOMIC_LONG_OP(sub)
-ATOMIC_LONG_OP(and)
-ATOMIC_LONG_OP(andnot)
-ATOMIC_LONG_OP(or)
-ATOMIC_LONG_OP(xor)
+static inline long
+atomic_long_fetch_xor_relaxed(long i, atomic_long_t *v)
+{
+ return atomic_fetch_xor_relaxed(i, v);
+}
-#undef ATOMIC_LONG_OP
+static inline long
+atomic_long_xchg(atomic_long_t *v, long i)
+{
+ return atomic_xchg(v, i);
+}
-static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
+static inline long
+atomic_long_xchg_acquire(atomic_long_t *v, long i)
{
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
+ return atomic_xchg_acquire(v, i);
+}
- return ATOMIC_LONG_PFX(_sub_and_test)(i, v);
+static inline long
+atomic_long_xchg_release(atomic_long_t *v, long i)
+{
+ return atomic_xchg_release(v, i);
}
-static inline int atomic_long_dec_and_test(atomic_long_t *l)
+static inline long
+atomic_long_xchg_relaxed(atomic_long_t *v, long i)
{
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
+ return atomic_xchg_relaxed(v, i);
+}
- return ATOMIC_LONG_PFX(_dec_and_test)(v);
+static inline long
+atomic_long_cmpxchg(atomic_long_t *v, long old, long new)
+{
+ return atomic_cmpxchg(v, old, new);
}
-static inline int atomic_long_inc_and_test(atomic_long_t *l)
+static inline long
+atomic_long_cmpxchg_acquire(atomic_long_t *v, long old, long new)
{
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
+ return atomic_cmpxchg_acquire(v, old, new);
+}
- return ATOMIC_LONG_PFX(_inc_and_test)(v);
+static inline long
+atomic_long_cmpxchg_release(atomic_long_t *v, long old, long new)
+{
+ return atomic_cmpxchg_release(v, old, new);
}
-static inline int atomic_long_add_negative(long i, atomic_long_t *l)
+static inline long
+atomic_long_cmpxchg_relaxed(atomic_long_t *v, long old, long new)
{
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
+ return atomic_cmpxchg_relaxed(v, old, new);
+}
- return ATOMIC_LONG_PFX(_add_negative)(i, v);
+static inline bool
+atomic_long_try_cmpxchg(atomic_long_t *v, long *old, long new)
+{
+ return atomic_try_cmpxchg(v, (int *)old, new);
}
-#define ATOMIC_LONG_INC_DEC_OP(op, mo) \
-static inline long \
-atomic_long_##op##_return##mo(atomic_long_t *l) \
-{ \
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; \
- \
- return (long)ATOMIC_LONG_PFX(_##op##_return##mo)(v); \
+static inline bool
+atomic_long_try_cmpxchg_acquire(atomic_long_t *v, long *old, long new)
+{
+ return atomic_try_cmpxchg_acquire(v, (int *)old, new);
}
-ATOMIC_LONG_INC_DEC_OP(inc,)
-ATOMIC_LONG_INC_DEC_OP(inc, _relaxed)
-ATOMIC_LONG_INC_DEC_OP(inc, _acquire)
-ATOMIC_LONG_INC_DEC_OP(inc, _release)
-ATOMIC_LONG_INC_DEC_OP(dec,)
-ATOMIC_LONG_INC_DEC_OP(dec, _relaxed)
-ATOMIC_LONG_INC_DEC_OP(dec, _acquire)
-ATOMIC_LONG_INC_DEC_OP(dec, _release)
-#undef ATOMIC_LONG_INC_DEC_OP
+static inline bool
+atomic_long_try_cmpxchg_release(atomic_long_t *v, long *old, long new)
+{
+ return atomic_try_cmpxchg_release(v, (int *)old, new);
+}
+
+static inline bool
+atomic_long_try_cmpxchg_relaxed(atomic_long_t *v, long *old, long new)
+{
+ return atomic_try_cmpxchg_relaxed(v, (int *)old, new);
+}
+
+static inline bool
+atomic_long_sub_and_test(long i, atomic_long_t *v)
+{
+ return atomic_sub_and_test(i, v);
+}
+
+static inline bool
+atomic_long_dec_and_test(atomic_long_t *v)
+{
+ return atomic_dec_and_test(v);
+}
+
+static inline bool
+atomic_long_inc_and_test(atomic_long_t *v)
+{
+ return atomic_inc_and_test(v);
+}
+
+static inline bool
+atomic_long_add_negative(long i, atomic_long_t *v)
+{
+ return atomic_add_negative(i, v);
+}
+
+static inline long
+atomic_long_fetch_add_unless(atomic_long_t *v, long a, long u)
+{
+ return atomic_fetch_add_unless(v, a, u);
+}
+
+static inline bool
+atomic_long_add_unless(atomic_long_t *v, long a, long u)
+{
+ return atomic_add_unless(v, a, u);
+}
-static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
+static inline bool
+atomic_long_inc_not_zero(atomic_long_t *v)
{
- ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
+ return atomic_inc_not_zero(v);
+}
- return (long)ATOMIC_LONG_PFX(_add_unless)(v, a, u);
+static inline bool
+atomic_long_inc_unless_negative(atomic_long_t *v)
+{
+ return atomic_inc_unless_negative(v);
}
-#define atomic_long_inc_not_zero(l) \
- ATOMIC_LONG_PFX(_inc_not_zero)((ATOMIC_LONG_PFX(_t) *)(l))
+static inline bool
+atomic_long_dec_unless_positive(atomic_long_t *v)
+{
+ return atomic_dec_unless_positive(v);
+}
-#define atomic_long_cond_read_relaxed(v, c) \
- ATOMIC_LONG_PFX(_cond_read_relaxed)((ATOMIC_LONG_PFX(_t) *)(v), (c))
-#define atomic_long_cond_read_acquire(v, c) \
- ATOMIC_LONG_PFX(_cond_read_acquire)((ATOMIC_LONG_PFX(_t) *)(v), (c))
+static inline long
+atomic_long_dec_if_positive(atomic_long_t *v)
+{
+ return atomic_dec_if_positive(v);
+}
-#endif /* _ASM_GENERIC_ATOMIC_LONG_H */
+#endif /* CONFIG_64BIT */
+#endif /* _ASM_GENERIC_ATOMIC_LONG_H */
diff --git a/include/linux/atomic-fallback.h b/include/linux/atomic-fallback.h
new file mode 100644
index 000000000000..1c02c0112fbb
--- /dev/null
+++ b/include/linux/atomic-fallback.h
@@ -0,0 +1,2294 @@
+// SPDX-License-Identifier: GPL-2.0
+
+// Generated by scripts/atomic/gen-atomic-fallback.sh
+// DO NOT MODIFY THIS FILE DIRECTLY
+
+#ifndef _LINUX_ATOMIC_FALLBACK_H
+#define _LINUX_ATOMIC_FALLBACK_H
+
+#ifndef xchg_relaxed
+#define xchg_relaxed xchg
+#define xchg_acquire xchg
+#define xchg_release xchg
+#else /* xchg_relaxed */
+
+#ifndef xchg_acquire
+#define xchg_acquire(...) \
+ __atomic_op_acquire(xchg, __VA_ARGS__)
+#endif
+
+#ifndef xchg_release
+#define xchg_release(...) \
+ __atomic_op_release(xchg, __VA_ARGS__)
+#endif
+
+#ifndef xchg
+#define xchg(...) \
+ __atomic_op_fence(xchg, __VA_ARGS__)
+#endif
+
+#endif /* xchg_relaxed */
+
+#ifndef cmpxchg_relaxed
+#define cmpxchg_relaxed cmpxchg
+#define cmpxchg_acquire cmpxchg
+#define cmpxchg_release cmpxchg
+#else /* cmpxchg_relaxed */
+
+#ifndef cmpxchg_acquire
+#define cmpxchg_acquire(...) \
+ __atomic_op_acquire(cmpxchg, __VA_ARGS__)
+#endif
+
+#ifndef cmpxchg_release
+#define cmpxchg_release(...) \
+ __atomic_op_release(cmpxchg, __VA_ARGS__)
+#endif
+
+#ifndef cmpxchg
+#define cmpxchg(...) \
+ __atomic_op_fence(cmpxchg, __VA_ARGS__)
+#endif
+
+#endif /* cmpxchg_relaxed */
+
+#ifndef cmpxchg64_relaxed
+#define cmpxchg64_relaxed cmpxchg64
+#define cmpxchg64_acquire cmpxchg64
+#define cmpxchg64_release cmpxchg64
+#else /* cmpxchg64_relaxed */
+
+#ifndef cmpxchg64_acquire
+#define cmpxchg64_acquire(...) \
+ __atomic_op_acquire(cmpxchg64, __VA_ARGS__)
+#endif
+
+#ifndef cmpxchg64_release
+#define cmpxchg64_release(...) \
+ __atomic_op_release(cmpxchg64, __VA_ARGS__)
+#endif
+
+#ifndef cmpxchg64
+#define cmpxchg64(...) \
+ __atomic_op_fence(cmpxchg64, __VA_ARGS__)
+#endif
+
+#endif /* cmpxchg64_relaxed */
+
+#ifndef atomic_read_acquire
+static inline int
+atomic_read_acquire(const atomic_t *v)
+{
+ return smp_load_acquire(&(v)->counter);
+}
+#define atomic_read_acquire atomic_read_acquire
+#endif
+
+#ifndef atomic_set_release
+static inline void
+atomic_set_release(atomic_t *v, int i)
+{
+ smp_store_release(&(v)->counter, i);
+}
+#define atomic_set_release atomic_set_release
+#endif
+
+#ifndef atomic_add_return_relaxed
+#define atomic_add_return_acquire atomic_add_return
+#define atomic_add_return_release atomic_add_return
+#define atomic_add_return_relaxed atomic_add_return
+#else /* atomic_add_return_relaxed */
+
+#ifndef atomic_add_return_acquire
+static inline int
+atomic_add_return_acquire(int i, atomic_t *v)
+{
+ int ret = atomic_add_return_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_add_return_acquire atomic_add_return_acquire
+#endif
+
+#ifndef atomic_add_return_release
+static inline int
+atomic_add_return_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return atomic_add_return_relaxed(i, v);
+}
+#define atomic_add_return_release atomic_add_return_release
+#endif
+
+#ifndef atomic_add_return
+static inline int
+atomic_add_return(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_add_return_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_add_return atomic_add_return
+#endif
+
+#endif /* atomic_add_return_relaxed */
+
+#ifndef atomic_fetch_add_relaxed
+#define atomic_fetch_add_acquire atomic_fetch_add
+#define atomic_fetch_add_release atomic_fetch_add
+#define atomic_fetch_add_relaxed atomic_fetch_add
+#else /* atomic_fetch_add_relaxed */
+
+#ifndef atomic_fetch_add_acquire
+static inline int
+atomic_fetch_add_acquire(int i, atomic_t *v)
+{
+ int ret = atomic_fetch_add_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_fetch_add_acquire atomic_fetch_add_acquire
+#endif
+
+#ifndef atomic_fetch_add_release
+static inline int
+atomic_fetch_add_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return atomic_fetch_add_relaxed(i, v);
+}
+#define atomic_fetch_add_release atomic_fetch_add_release
+#endif
+
+#ifndef atomic_fetch_add
+static inline int
+atomic_fetch_add(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_fetch_add_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_fetch_add atomic_fetch_add
+#endif
+
+#endif /* atomic_fetch_add_relaxed */
+
+#ifndef atomic_sub_return_relaxed
+#define atomic_sub_return_acquire atomic_sub_return
+#define atomic_sub_return_release atomic_sub_return
+#define atomic_sub_return_relaxed atomic_sub_return
+#else /* atomic_sub_return_relaxed */
+
+#ifndef atomic_sub_return_acquire
+static inline int
+atomic_sub_return_acquire(int i, atomic_t *v)
+{
+ int ret = atomic_sub_return_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_sub_return_acquire atomic_sub_return_acquire
+#endif
+
+#ifndef atomic_sub_return_release
+static inline int
+atomic_sub_return_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return atomic_sub_return_relaxed(i, v);
+}
+#define atomic_sub_return_release atomic_sub_return_release
+#endif
+
+#ifndef atomic_sub_return
+static inline int
+atomic_sub_return(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_sub_return_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_sub_return atomic_sub_return
+#endif
+
+#endif /* atomic_sub_return_relaxed */
+
+#ifndef atomic_fetch_sub_relaxed
+#define atomic_fetch_sub_acquire atomic_fetch_sub
+#define atomic_fetch_sub_release atomic_fetch_sub
+#define atomic_fetch_sub_relaxed atomic_fetch_sub
+#else /* atomic_fetch_sub_relaxed */
+
+#ifndef atomic_fetch_sub_acquire
+static inline int
+atomic_fetch_sub_acquire(int i, atomic_t *v)
+{
+ int ret = atomic_fetch_sub_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_fetch_sub_acquire atomic_fetch_sub_acquire
+#endif
+
+#ifndef atomic_fetch_sub_release
+static inline int
+atomic_fetch_sub_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return atomic_fetch_sub_relaxed(i, v);
+}
+#define atomic_fetch_sub_release atomic_fetch_sub_release
+#endif
+
+#ifndef atomic_fetch_sub
+static inline int
+atomic_fetch_sub(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_fetch_sub_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_fetch_sub atomic_fetch_sub
+#endif
+
+#endif /* atomic_fetch_sub_relaxed */
+
+#ifndef atomic_inc
+static inline void
+atomic_inc(atomic_t *v)
+{
+ atomic_add(1, v);
+}
+#define atomic_inc atomic_inc
+#endif
+
+#ifndef atomic_inc_return_relaxed
+#ifdef atomic_inc_return
+#define atomic_inc_return_acquire atomic_inc_return
+#define atomic_inc_return_release atomic_inc_return
+#define atomic_inc_return_relaxed atomic_inc_return
+#endif /* atomic_inc_return */
+
+#ifndef atomic_inc_return
+static inline int
+atomic_inc_return(atomic_t *v)
+{
+ return atomic_add_return(1, v);
+}
+#define atomic_inc_return atomic_inc_return
+#endif
+
+#ifndef atomic_inc_return_acquire
+static inline int
+atomic_inc_return_acquire(atomic_t *v)
+{
+ return atomic_add_return_acquire(1, v);
+}
+#define atomic_inc_return_acquire atomic_inc_return_acquire
+#endif
+
+#ifndef atomic_inc_return_release
+static inline int
+atomic_inc_return_release(atomic_t *v)
+{
+ return atomic_add_return_release(1, v);
+}
+#define atomic_inc_return_release atomic_inc_return_release
+#endif
+
+#ifndef atomic_inc_return_relaxed
+static inline int
+atomic_inc_return_relaxed(atomic_t *v)
+{
+ return atomic_add_return_relaxed(1, v);
+}
+#define atomic_inc_return_relaxed atomic_inc_return_relaxed
+#endif
+
+#else /* atomic_inc_return_relaxed */
+
+#ifndef atomic_inc_return_acquire
+static inline int
+atomic_inc_return_acquire(atomic_t *v)
+{
+ int ret = atomic_inc_return_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_inc_return_acquire atomic_inc_return_acquire
+#endif
+
+#ifndef atomic_inc_return_release
+static inline int
+atomic_inc_return_release(atomic_t *v)
+{
+ __atomic_release_fence();
+ return atomic_inc_return_relaxed(v);
+}
+#define atomic_inc_return_release atomic_inc_return_release
+#endif
+
+#ifndef atomic_inc_return
+static inline int
+atomic_inc_return(atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_inc_return_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_inc_return atomic_inc_return
+#endif
+
+#endif /* atomic_inc_return_relaxed */
+
+#ifndef atomic_fetch_inc_relaxed
+#ifdef atomic_fetch_inc
+#define atomic_fetch_inc_acquire atomic_fetch_inc
+#define atomic_fetch_inc_release atomic_fetch_inc
+#define atomic_fetch_inc_relaxed atomic_fetch_inc
+#endif /* atomic_fetch_inc */
+
+#ifndef atomic_fetch_inc
+static inline int
+atomic_fetch_inc(atomic_t *v)
+{
+ return atomic_fetch_add(1, v);
+}
+#define atomic_fetch_inc atomic_fetch_inc
+#endif
+
+#ifndef atomic_fetch_inc_acquire
+static inline int
+atomic_fetch_inc_acquire(atomic_t *v)
+{
+ return atomic_fetch_add_acquire(1, v);
+}
+#define atomic_fetch_inc_acquire atomic_fetch_inc_acquire
+#endif
+
+#ifndef atomic_fetch_inc_release
+static inline int
+atomic_fetch_inc_release(atomic_t *v)
+{
+ return atomic_fetch_add_release(1, v);
+}
+#define atomic_fetch_inc_release atomic_fetch_inc_release
+#endif
+
+#ifndef atomic_fetch_inc_relaxed
+static inline int
+atomic_fetch_inc_relaxed(atomic_t *v)
+{
+ return atomic_fetch_add_relaxed(1, v);
+}
+#define atomic_fetch_inc_relaxed atomic_fetch_inc_relaxed
+#endif
+
+#else /* atomic_fetch_inc_relaxed */
+
+#ifndef atomic_fetch_inc_acquire
+static inline int
+atomic_fetch_inc_acquire(atomic_t *v)
+{
+ int ret = atomic_fetch_inc_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_fetch_inc_acquire atomic_fetch_inc_acquire
+#endif
+
+#ifndef atomic_fetch_inc_release
+static inline int
+atomic_fetch_inc_release(atomic_t *v)
+{
+ __atomic_release_fence();
+ return atomic_fetch_inc_relaxed(v);
+}
+#define atomic_fetch_inc_release atomic_fetch_inc_release
+#endif
+
+#ifndef atomic_fetch_inc
+static inline int
+atomic_fetch_inc(atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_fetch_inc_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_fetch_inc atomic_fetch_inc
+#endif
+
+#endif /* atomic_fetch_inc_relaxed */
+
+#ifndef atomic_dec
+static inline void
+atomic_dec(atomic_t *v)
+{
+ atomic_sub(1, v);
+}
+#define atomic_dec atomic_dec
+#endif
+
+#ifndef atomic_dec_return_relaxed
+#ifdef atomic_dec_return
+#define atomic_dec_return_acquire atomic_dec_return
+#define atomic_dec_return_release atomic_dec_return
+#define atomic_dec_return_relaxed atomic_dec_return
+#endif /* atomic_dec_return */
+
+#ifndef atomic_dec_return
+static inline int
+atomic_dec_return(atomic_t *v)
+{
+ return atomic_sub_return(1, v);
+}
+#define atomic_dec_return atomic_dec_return
+#endif
+
+#ifndef atomic_dec_return_acquire
+static inline int
+atomic_dec_return_acquire(atomic_t *v)
+{
+ return atomic_sub_return_acquire(1, v);
+}
+#define atomic_dec_return_acquire atomic_dec_return_acquire
+#endif
+
+#ifndef atomic_dec_return_release
+static inline int
+atomic_dec_return_release(atomic_t *v)
+{
+ return atomic_sub_return_release(1, v);
+}
+#define atomic_dec_return_release atomic_dec_return_release
+#endif
+
+#ifndef atomic_dec_return_relaxed
+static inline int
+atomic_dec_return_relaxed(atomic_t *v)
+{
+ return atomic_sub_return_relaxed(1, v);
+}
+#define atomic_dec_return_relaxed atomic_dec_return_relaxed
+#endif
+
+#else /* atomic_dec_return_relaxed */
+
+#ifndef atomic_dec_return_acquire
+static inline int
+atomic_dec_return_acquire(atomic_t *v)
+{
+ int ret = atomic_dec_return_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_dec_return_acquire atomic_dec_return_acquire
+#endif
+
+#ifndef atomic_dec_return_release
+static inline int
+atomic_dec_return_release(atomic_t *v)
+{
+ __atomic_release_fence();
+ return atomic_dec_return_relaxed(v);
+}
+#define atomic_dec_return_release atomic_dec_return_release
+#endif
+
+#ifndef atomic_dec_return
+static inline int
+atomic_dec_return(atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_dec_return_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_dec_return atomic_dec_return
+#endif
+
+#endif /* atomic_dec_return_relaxed */
+
+#ifndef atomic_fetch_dec_relaxed
+#ifdef atomic_fetch_dec
+#define atomic_fetch_dec_acquire atomic_fetch_dec
+#define atomic_fetch_dec_release atomic_fetch_dec
+#define atomic_fetch_dec_relaxed atomic_fetch_dec
+#endif /* atomic_fetch_dec */
+
+#ifndef atomic_fetch_dec
+static inline int
+atomic_fetch_dec(atomic_t *v)
+{
+ return atomic_fetch_sub(1, v);
+}
+#define atomic_fetch_dec atomic_fetch_dec
+#endif
+
+#ifndef atomic_fetch_dec_acquire
+static inline int
+atomic_fetch_dec_acquire(atomic_t *v)
+{
+ return atomic_fetch_sub_acquire(1, v);
+}
+#define atomic_fetch_dec_acquire atomic_fetch_dec_acquire
+#endif
+
+#ifndef atomic_fetch_dec_release
+static inline int
+atomic_fetch_dec_release(atomic_t *v)
+{
+ return atomic_fetch_sub_release(1, v);
+}
+#define atomic_fetch_dec_release atomic_fetch_dec_release
+#endif
+
+#ifndef atomic_fetch_dec_relaxed
+static inline int
+atomic_fetch_dec_relaxed(atomic_t *v)
+{
+ return atomic_fetch_sub_relaxed(1, v);
+}
+#define atomic_fetch_dec_relaxed atomic_fetch_dec_relaxed
+#endif
+
+#else /* atomic_fetch_dec_relaxed */
+
+#ifndef atomic_fetch_dec_acquire
+static inline int
+atomic_fetch_dec_acquire(atomic_t *v)
+{
+ int ret = atomic_fetch_dec_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_fetch_dec_acquire atomic_fetch_dec_acquire
+#endif
+
+#ifndef atomic_fetch_dec_release
+static inline int
+atomic_fetch_dec_release(atomic_t *v)
+{
+ __atomic_release_fence();
+ return atomic_fetch_dec_relaxed(v);
+}
+#define atomic_fetch_dec_release atomic_fetch_dec_release
+#endif
+
+#ifndef atomic_fetch_dec
+static inline int
+atomic_fetch_dec(atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_fetch_dec_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_fetch_dec atomic_fetch_dec
+#endif
+
+#endif /* atomic_fetch_dec_relaxed */
+
+#ifndef atomic_fetch_and_relaxed
+#define atomic_fetch_and_acquire atomic_fetch_and
+#define atomic_fetch_and_release atomic_fetch_and
+#define atomic_fetch_and_relaxed atomic_fetch_and
+#else /* atomic_fetch_and_relaxed */
+
+#ifndef atomic_fetch_and_acquire
+static inline int
+atomic_fetch_and_acquire(int i, atomic_t *v)
+{
+ int ret = atomic_fetch_and_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_fetch_and_acquire atomic_fetch_and_acquire
+#endif
+
+#ifndef atomic_fetch_and_release
+static inline int
+atomic_fetch_and_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return atomic_fetch_and_relaxed(i, v);
+}
+#define atomic_fetch_and_release atomic_fetch_and_release
+#endif
+
+#ifndef atomic_fetch_and
+static inline int
+atomic_fetch_and(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_fetch_and_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_fetch_and atomic_fetch_and
+#endif
+
+#endif /* atomic_fetch_and_relaxed */
+
+#ifndef atomic_andnot
+static inline void
+atomic_andnot(int i, atomic_t *v)
+{
+ atomic_and(~i, v);
+}
+#define atomic_andnot atomic_andnot
+#endif
+
+#ifndef atomic_fetch_andnot_relaxed
+#ifdef atomic_fetch_andnot
+#define atomic_fetch_andnot_acquire atomic_fetch_andnot
+#define atomic_fetch_andnot_release atomic_fetch_andnot
+#define atomic_fetch_andnot_relaxed atomic_fetch_andnot
+#endif /* atomic_fetch_andnot */
+
+#ifndef atomic_fetch_andnot
+static inline int
+atomic_fetch_andnot(int i, atomic_t *v)
+{
+ return atomic_fetch_and(~i, v);
+}
+#define atomic_fetch_andnot atomic_fetch_andnot
+#endif
+
+#ifndef atomic_fetch_andnot_acquire
+static inline int
+atomic_fetch_andnot_acquire(int i, atomic_t *v)
+{
+ return atomic_fetch_and_acquire(~i, v);
+}
+#define atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire
+#endif
+
+#ifndef atomic_fetch_andnot_release
+static inline int
+atomic_fetch_andnot_release(int i, atomic_t *v)
+{
+ return atomic_fetch_and_release(~i, v);
+}
+#define atomic_fetch_andnot_release atomic_fetch_andnot_release
+#endif
+
+#ifndef atomic_fetch_andnot_relaxed
+static inline int
+atomic_fetch_andnot_relaxed(int i, atomic_t *v)
+{
+ return atomic_fetch_and_relaxed(~i, v);
+}
+#define atomic_fetch_andnot_relaxed atomic_fetch_andnot_relaxed
+#endif
+
+#else /* atomic_fetch_andnot_relaxed */
+
+#ifndef atomic_fetch_andnot_acquire
+static inline int
+atomic_fetch_andnot_acquire(int i, atomic_t *v)
+{
+ int ret = atomic_fetch_andnot_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire
+#endif
+
+#ifndef atomic_fetch_andnot_release
+static inline int
+atomic_fetch_andnot_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return atomic_fetch_andnot_relaxed(i, v);
+}
+#define atomic_fetch_andnot_release atomic_fetch_andnot_release
+#endif
+
+#ifndef atomic_fetch_andnot
+static inline int
+atomic_fetch_andnot(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_fetch_andnot_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_fetch_andnot atomic_fetch_andnot
+#endif
+
+#endif /* atomic_fetch_andnot_relaxed */
+
+#ifndef atomic_fetch_or_relaxed
+#define atomic_fetch_or_acquire atomic_fetch_or
+#define atomic_fetch_or_release atomic_fetch_or
+#define atomic_fetch_or_relaxed atomic_fetch_or
+#else /* atomic_fetch_or_relaxed */
+
+#ifndef atomic_fetch_or_acquire
+static inline int
+atomic_fetch_or_acquire(int i, atomic_t *v)
+{
+ int ret = atomic_fetch_or_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_fetch_or_acquire atomic_fetch_or_acquire
+#endif
+
+#ifndef atomic_fetch_or_release
+static inline int
+atomic_fetch_or_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return atomic_fetch_or_relaxed(i, v);
+}
+#define atomic_fetch_or_release atomic_fetch_or_release
+#endif
+
+#ifndef atomic_fetch_or
+static inline int
+atomic_fetch_or(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_fetch_or_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_fetch_or atomic_fetch_or
+#endif
+
+#endif /* atomic_fetch_or_relaxed */
+
+#ifndef atomic_fetch_xor_relaxed
+#define atomic_fetch_xor_acquire atomic_fetch_xor
+#define atomic_fetch_xor_release atomic_fetch_xor
+#define atomic_fetch_xor_relaxed atomic_fetch_xor
+#else /* atomic_fetch_xor_relaxed */
+
+#ifndef atomic_fetch_xor_acquire
+static inline int
+atomic_fetch_xor_acquire(int i, atomic_t *v)
+{
+ int ret = atomic_fetch_xor_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_fetch_xor_acquire atomic_fetch_xor_acquire
+#endif
+
+#ifndef atomic_fetch_xor_release
+static inline int
+atomic_fetch_xor_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return atomic_fetch_xor_relaxed(i, v);
+}
+#define atomic_fetch_xor_release atomic_fetch_xor_release
+#endif
+
+#ifndef atomic_fetch_xor
+static inline int
+atomic_fetch_xor(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_fetch_xor_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_fetch_xor atomic_fetch_xor
+#endif
+
+#endif /* atomic_fetch_xor_relaxed */
+
+#ifndef atomic_xchg_relaxed
+#define atomic_xchg_acquire atomic_xchg
+#define atomic_xchg_release atomic_xchg
+#define atomic_xchg_relaxed atomic_xchg
+#else /* atomic_xchg_relaxed */
+
+#ifndef atomic_xchg_acquire
+static inline int
+atomic_xchg_acquire(atomic_t *v, int i)
+{
+ int ret = atomic_xchg_relaxed(v, i);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_xchg_acquire atomic_xchg_acquire
+#endif
+
+#ifndef atomic_xchg_release
+static inline int
+atomic_xchg_release(atomic_t *v, int i)
+{
+ __atomic_release_fence();
+ return atomic_xchg_relaxed(v, i);
+}
+#define atomic_xchg_release atomic_xchg_release
+#endif
+
+#ifndef atomic_xchg
+static inline int
+atomic_xchg(atomic_t *v, int i)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_xchg_relaxed(v, i);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_xchg atomic_xchg
+#endif
+
+#endif /* atomic_xchg_relaxed */
+
+#ifndef atomic_cmpxchg_relaxed
+#define atomic_cmpxchg_acquire atomic_cmpxchg
+#define atomic_cmpxchg_release atomic_cmpxchg
+#define atomic_cmpxchg_relaxed atomic_cmpxchg
+#else /* atomic_cmpxchg_relaxed */
+
+#ifndef atomic_cmpxchg_acquire
+static inline int
+atomic_cmpxchg_acquire(atomic_t *v, int old, int new)
+{
+ int ret = atomic_cmpxchg_relaxed(v, old, new);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_cmpxchg_acquire atomic_cmpxchg_acquire
+#endif
+
+#ifndef atomic_cmpxchg_release
+static inline int
+atomic_cmpxchg_release(atomic_t *v, int old, int new)
+{
+ __atomic_release_fence();
+ return atomic_cmpxchg_relaxed(v, old, new);
+}
+#define atomic_cmpxchg_release atomic_cmpxchg_release
+#endif
+
+#ifndef atomic_cmpxchg
+static inline int
+atomic_cmpxchg(atomic_t *v, int old, int new)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = atomic_cmpxchg_relaxed(v, old, new);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_cmpxchg atomic_cmpxchg
+#endif
+
+#endif /* atomic_cmpxchg_relaxed */
+
+#ifndef atomic_try_cmpxchg_relaxed
+#ifdef atomic_try_cmpxchg
+#define atomic_try_cmpxchg_acquire atomic_try_cmpxchg
+#define atomic_try_cmpxchg_release atomic_try_cmpxchg
+#define atomic_try_cmpxchg_relaxed atomic_try_cmpxchg
+#endif /* atomic_try_cmpxchg */
+
+#ifndef atomic_try_cmpxchg
+static inline bool
+atomic_try_cmpxchg(atomic_t *v, int *old, int new)
+{
+ int r, o = *old;
+ r = atomic_cmpxchg(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define atomic_try_cmpxchg atomic_try_cmpxchg
+#endif
+
+#ifndef atomic_try_cmpxchg_acquire
+static inline bool
+atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new)
+{
+ int r, o = *old;
+ r = atomic_cmpxchg_acquire(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define atomic_try_cmpxchg_acquire atomic_try_cmpxchg_acquire
+#endif
+
+#ifndef atomic_try_cmpxchg_release
+static inline bool
+atomic_try_cmpxchg_release(atomic_t *v, int *old, int new)
+{
+ int r, o = *old;
+ r = atomic_cmpxchg_release(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define atomic_try_cmpxchg_release atomic_try_cmpxchg_release
+#endif
+
+#ifndef atomic_try_cmpxchg_relaxed
+static inline bool
+atomic_try_cmpxchg_relaxed(atomic_t *v, int *old, int new)
+{
+ int r, o = *old;
+ r = atomic_cmpxchg_relaxed(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define atomic_try_cmpxchg_relaxed atomic_try_cmpxchg_relaxed
+#endif
+
+#else /* atomic_try_cmpxchg_relaxed */
+
+#ifndef atomic_try_cmpxchg_acquire
+static inline bool
+atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new)
+{
+ bool ret = atomic_try_cmpxchg_relaxed(v, old, new);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic_try_cmpxchg_acquire atomic_try_cmpxchg_acquire
+#endif
+
+#ifndef atomic_try_cmpxchg_release
+static inline bool
+atomic_try_cmpxchg_release(atomic_t *v, int *old, int new)
+{
+ __atomic_release_fence();
+ return atomic_try_cmpxchg_relaxed(v, old, new);
+}
+#define atomic_try_cmpxchg_release atomic_try_cmpxchg_release
+#endif
+
+#ifndef atomic_try_cmpxchg
+static inline bool
+atomic_try_cmpxchg(atomic_t *v, int *old, int new)
+{
+ bool ret;
+ __atomic_pre_full_fence();
+ ret = atomic_try_cmpxchg_relaxed(v, old, new);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic_try_cmpxchg atomic_try_cmpxchg
+#endif
+
+#endif /* atomic_try_cmpxchg_relaxed */
+
+#ifndef atomic_sub_and_test
+/**
+ * atomic_sub_and_test - subtract value from variable and test result
+ * @i: integer value to subtract
+ * @v: pointer of type atomic_t
+ *
+ * Atomically subtracts @i from @v and returns
+ * true if the result is zero, or false for all
+ * other cases.
+ */
+static inline bool
+atomic_sub_and_test(int i, atomic_t *v)
+{
+ return atomic_sub_return(i, v) == 0;
+}
+#define atomic_sub_and_test atomic_sub_and_test
+#endif
+
+#ifndef atomic_dec_and_test
+/**
+ * atomic_dec_and_test - decrement and test
+ * @v: pointer of type atomic_t
+ *
+ * Atomically decrements @v by 1 and
+ * returns true if the result is 0, or false for all other
+ * cases.
+ */
+static inline bool
+atomic_dec_and_test(atomic_t *v)
+{
+ return atomic_dec_return(v) == 0;
+}
+#define atomic_dec_and_test atomic_dec_and_test
+#endif
+
+#ifndef atomic_inc_and_test
+/**
+ * atomic_inc_and_test - increment and test
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increments @v by 1
+ * and returns true if the result is zero, or false for all
+ * other cases.
+ */
+static inline bool
+atomic_inc_and_test(atomic_t *v)
+{
+ return atomic_inc_return(v) == 0;
+}
+#define atomic_inc_and_test atomic_inc_and_test
+#endif
+
+#ifndef atomic_add_negative
+/**
+ * atomic_add_negative - add and test if negative
+ * @i: integer value to add
+ * @v: pointer of type atomic_t
+ *
+ * Atomically adds @i to @v and returns true
+ * if the result is negative, or false when
+ * result is greater than or equal to zero.
+ */
+static inline bool
+atomic_add_negative(int i, atomic_t *v)
+{
+ return atomic_add_return(i, v) < 0;
+}
+#define atomic_add_negative atomic_add_negative
+#endif
+
+#ifndef atomic_fetch_add_unless
+/**
+ * atomic_fetch_add_unless - add unless the number is already a given value
+ * @v: pointer of type atomic_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, so long as @v was not already @u.
+ * Returns original value of @v
+ */
+static inline int
+atomic_fetch_add_unless(atomic_t *v, int a, int u)
+{
+ int c = atomic_read(v);
+
+ do {
+ if (unlikely(c == u))
+ break;
+ } while (!atomic_try_cmpxchg(v, &c, c + a));
+
+ return c;
+}
+#define atomic_fetch_add_unless atomic_fetch_add_unless
+#endif
+
+#ifndef atomic_add_unless
+/**
+ * atomic_add_unless - add unless the number is already a given value
+ * @v: pointer of type atomic_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, if @v was not already @u.
+ * Returns true if the addition was done.
+ */
+static inline bool
+atomic_add_unless(atomic_t *v, int a, int u)
+{
+ return atomic_fetch_add_unless(v, a, u) != u;
+}
+#define atomic_add_unless atomic_add_unless
+#endif
+
+#ifndef atomic_inc_not_zero
+/**
+ * atomic_inc_not_zero - increment unless the number is zero
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increments @v by 1, if @v is non-zero.
+ * Returns true if the increment was done.
+ */
+static inline bool
+atomic_inc_not_zero(atomic_t *v)
+{
+ return atomic_add_unless(v, 1, 0);
+}
+#define atomic_inc_not_zero atomic_inc_not_zero
+#endif
+
+#ifndef atomic_inc_unless_negative
+static inline bool
+atomic_inc_unless_negative(atomic_t *v)
+{
+ int c = atomic_read(v);
+
+ do {
+ if (unlikely(c < 0))
+ return false;
+ } while (!atomic_try_cmpxchg(v, &c, c + 1));
+
+ return true;
+}
+#define atomic_inc_unless_negative atomic_inc_unless_negative
+#endif
+
+#ifndef atomic_dec_unless_positive
+static inline bool
+atomic_dec_unless_positive(atomic_t *v)
+{
+ int c = atomic_read(v);
+
+ do {
+ if (unlikely(c > 0))
+ return false;
+ } while (!atomic_try_cmpxchg(v, &c, c - 1));
+
+ return true;
+}
+#define atomic_dec_unless_positive atomic_dec_unless_positive
+#endif
+
+#ifndef atomic_dec_if_positive
+static inline int
+atomic_dec_if_positive(atomic_t *v)
+{
+ int dec, c = atomic_read(v);
+
+ do {
+ dec = c - 1;
+ if (unlikely(dec < 0))
+ break;
+ } while (!atomic_try_cmpxchg(v, &c, dec));
+
+ return dec;
+}
+#define atomic_dec_if_positive atomic_dec_if_positive
+#endif
+
+#define atomic_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
+#define atomic_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
+
+#ifdef CONFIG_GENERIC_ATOMIC64
+#include <asm-generic/atomic64.h>
+#endif
+
+#ifndef atomic64_read_acquire
+static inline s64
+atomic64_read_acquire(const atomic64_t *v)
+{
+ return smp_load_acquire(&(v)->counter);
+}
+#define atomic64_read_acquire atomic64_read_acquire
+#endif
+
+#ifndef atomic64_set_release
+static inline void
+atomic64_set_release(atomic64_t *v, s64 i)
+{
+ smp_store_release(&(v)->counter, i);
+}
+#define atomic64_set_release atomic64_set_release
+#endif
+
+#ifndef atomic64_add_return_relaxed
+#define atomic64_add_return_acquire atomic64_add_return
+#define atomic64_add_return_release atomic64_add_return
+#define atomic64_add_return_relaxed atomic64_add_return
+#else /* atomic64_add_return_relaxed */
+
+#ifndef atomic64_add_return_acquire
+static inline s64
+atomic64_add_return_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = atomic64_add_return_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_add_return_acquire atomic64_add_return_acquire
+#endif
+
+#ifndef atomic64_add_return_release
+static inline s64
+atomic64_add_return_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return atomic64_add_return_relaxed(i, v);
+}
+#define atomic64_add_return_release atomic64_add_return_release
+#endif
+
+#ifndef atomic64_add_return
+static inline s64
+atomic64_add_return(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_add_return_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_add_return atomic64_add_return
+#endif
+
+#endif /* atomic64_add_return_relaxed */
+
+#ifndef atomic64_fetch_add_relaxed
+#define atomic64_fetch_add_acquire atomic64_fetch_add
+#define atomic64_fetch_add_release atomic64_fetch_add
+#define atomic64_fetch_add_relaxed atomic64_fetch_add
+#else /* atomic64_fetch_add_relaxed */
+
+#ifndef atomic64_fetch_add_acquire
+static inline s64
+atomic64_fetch_add_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = atomic64_fetch_add_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_fetch_add_acquire atomic64_fetch_add_acquire
+#endif
+
+#ifndef atomic64_fetch_add_release
+static inline s64
+atomic64_fetch_add_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return atomic64_fetch_add_relaxed(i, v);
+}
+#define atomic64_fetch_add_release atomic64_fetch_add_release
+#endif
+
+#ifndef atomic64_fetch_add
+static inline s64
+atomic64_fetch_add(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_fetch_add_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_fetch_add atomic64_fetch_add
+#endif
+
+#endif /* atomic64_fetch_add_relaxed */
+
+#ifndef atomic64_sub_return_relaxed
+#define atomic64_sub_return_acquire atomic64_sub_return
+#define atomic64_sub_return_release atomic64_sub_return
+#define atomic64_sub_return_relaxed atomic64_sub_return
+#else /* atomic64_sub_return_relaxed */
+
+#ifndef atomic64_sub_return_acquire
+static inline s64
+atomic64_sub_return_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = atomic64_sub_return_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_sub_return_acquire atomic64_sub_return_acquire
+#endif
+
+#ifndef atomic64_sub_return_release
+static inline s64
+atomic64_sub_return_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return atomic64_sub_return_relaxed(i, v);
+}
+#define atomic64_sub_return_release atomic64_sub_return_release
+#endif
+
+#ifndef atomic64_sub_return
+static inline s64
+atomic64_sub_return(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_sub_return_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_sub_return atomic64_sub_return
+#endif
+
+#endif /* atomic64_sub_return_relaxed */
+
+#ifndef atomic64_fetch_sub_relaxed
+#define atomic64_fetch_sub_acquire atomic64_fetch_sub
+#define atomic64_fetch_sub_release atomic64_fetch_sub
+#define atomic64_fetch_sub_relaxed atomic64_fetch_sub
+#else /* atomic64_fetch_sub_relaxed */
+
+#ifndef atomic64_fetch_sub_acquire
+static inline s64
+atomic64_fetch_sub_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = atomic64_fetch_sub_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_fetch_sub_acquire atomic64_fetch_sub_acquire
+#endif
+
+#ifndef atomic64_fetch_sub_release
+static inline s64
+atomic64_fetch_sub_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return atomic64_fetch_sub_relaxed(i, v);
+}
+#define atomic64_fetch_sub_release atomic64_fetch_sub_release
+#endif
+
+#ifndef atomic64_fetch_sub
+static inline s64
+atomic64_fetch_sub(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_fetch_sub_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_fetch_sub atomic64_fetch_sub
+#endif
+
+#endif /* atomic64_fetch_sub_relaxed */
+
+#ifndef atomic64_inc
+static inline void
+atomic64_inc(atomic64_t *v)
+{
+ atomic64_add(1, v);
+}
+#define atomic64_inc atomic64_inc
+#endif
+
+#ifndef atomic64_inc_return_relaxed
+#ifdef atomic64_inc_return
+#define atomic64_inc_return_acquire atomic64_inc_return
+#define atomic64_inc_return_release atomic64_inc_return
+#define atomic64_inc_return_relaxed atomic64_inc_return
+#endif /* atomic64_inc_return */
+
+#ifndef atomic64_inc_return
+static inline s64
+atomic64_inc_return(atomic64_t *v)
+{
+ return atomic64_add_return(1, v);
+}
+#define atomic64_inc_return atomic64_inc_return
+#endif
+
+#ifndef atomic64_inc_return_acquire
+static inline s64
+atomic64_inc_return_acquire(atomic64_t *v)
+{
+ return atomic64_add_return_acquire(1, v);
+}
+#define atomic64_inc_return_acquire atomic64_inc_return_acquire
+#endif
+
+#ifndef atomic64_inc_return_release
+static inline s64
+atomic64_inc_return_release(atomic64_t *v)
+{
+ return atomic64_add_return_release(1, v);
+}
+#define atomic64_inc_return_release atomic64_inc_return_release
+#endif
+
+#ifndef atomic64_inc_return_relaxed
+static inline s64
+atomic64_inc_return_relaxed(atomic64_t *v)
+{
+ return atomic64_add_return_relaxed(1, v);
+}
+#define atomic64_inc_return_relaxed atomic64_inc_return_relaxed
+#endif
+
+#else /* atomic64_inc_return_relaxed */
+
+#ifndef atomic64_inc_return_acquire
+static inline s64
+atomic64_inc_return_acquire(atomic64_t *v)
+{
+ s64 ret = atomic64_inc_return_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_inc_return_acquire atomic64_inc_return_acquire
+#endif
+
+#ifndef atomic64_inc_return_release
+static inline s64
+atomic64_inc_return_release(atomic64_t *v)
+{
+ __atomic_release_fence();
+ return atomic64_inc_return_relaxed(v);
+}
+#define atomic64_inc_return_release atomic64_inc_return_release
+#endif
+
+#ifndef atomic64_inc_return
+static inline s64
+atomic64_inc_return(atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_inc_return_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_inc_return atomic64_inc_return
+#endif
+
+#endif /* atomic64_inc_return_relaxed */
+
+#ifndef atomic64_fetch_inc_relaxed
+#ifdef atomic64_fetch_inc
+#define atomic64_fetch_inc_acquire atomic64_fetch_inc
+#define atomic64_fetch_inc_release atomic64_fetch_inc
+#define atomic64_fetch_inc_relaxed atomic64_fetch_inc
+#endif /* atomic64_fetch_inc */
+
+#ifndef atomic64_fetch_inc
+static inline s64
+atomic64_fetch_inc(atomic64_t *v)
+{
+ return atomic64_fetch_add(1, v);
+}
+#define atomic64_fetch_inc atomic64_fetch_inc
+#endif
+
+#ifndef atomic64_fetch_inc_acquire
+static inline s64
+atomic64_fetch_inc_acquire(atomic64_t *v)
+{
+ return atomic64_fetch_add_acquire(1, v);
+}
+#define atomic64_fetch_inc_acquire atomic64_fetch_inc_acquire
+#endif
+
+#ifndef atomic64_fetch_inc_release
+static inline s64
+atomic64_fetch_inc_release(atomic64_t *v)
+{
+ return atomic64_fetch_add_release(1, v);
+}
+#define atomic64_fetch_inc_release atomic64_fetch_inc_release
+#endif
+
+#ifndef atomic64_fetch_inc_relaxed
+static inline s64
+atomic64_fetch_inc_relaxed(atomic64_t *v)
+{
+ return atomic64_fetch_add_relaxed(1, v);
+}
+#define atomic64_fetch_inc_relaxed atomic64_fetch_inc_relaxed
+#endif
+
+#else /* atomic64_fetch_inc_relaxed */
+
+#ifndef atomic64_fetch_inc_acquire
+static inline s64
+atomic64_fetch_inc_acquire(atomic64_t *v)
+{
+ s64 ret = atomic64_fetch_inc_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_fetch_inc_acquire atomic64_fetch_inc_acquire
+#endif
+
+#ifndef atomic64_fetch_inc_release
+static inline s64
+atomic64_fetch_inc_release(atomic64_t *v)
+{
+ __atomic_release_fence();
+ return atomic64_fetch_inc_relaxed(v);
+}
+#define atomic64_fetch_inc_release atomic64_fetch_inc_release
+#endif
+
+#ifndef atomic64_fetch_inc
+static inline s64
+atomic64_fetch_inc(atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_fetch_inc_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_fetch_inc atomic64_fetch_inc
+#endif
+
+#endif /* atomic64_fetch_inc_relaxed */
+
+#ifndef atomic64_dec
+static inline void
+atomic64_dec(atomic64_t *v)
+{
+ atomic64_sub(1, v);
+}
+#define atomic64_dec atomic64_dec
+#endif
+
+#ifndef atomic64_dec_return_relaxed
+#ifdef atomic64_dec_return
+#define atomic64_dec_return_acquire atomic64_dec_return
+#define atomic64_dec_return_release atomic64_dec_return
+#define atomic64_dec_return_relaxed atomic64_dec_return
+#endif /* atomic64_dec_return */
+
+#ifndef atomic64_dec_return
+static inline s64
+atomic64_dec_return(atomic64_t *v)
+{
+ return atomic64_sub_return(1, v);
+}
+#define atomic64_dec_return atomic64_dec_return
+#endif
+
+#ifndef atomic64_dec_return_acquire
+static inline s64
+atomic64_dec_return_acquire(atomic64_t *v)
+{
+ return atomic64_sub_return_acquire(1, v);
+}
+#define atomic64_dec_return_acquire atomic64_dec_return_acquire
+#endif
+
+#ifndef atomic64_dec_return_release
+static inline s64
+atomic64_dec_return_release(atomic64_t *v)
+{
+ return atomic64_sub_return_release(1, v);
+}
+#define atomic64_dec_return_release atomic64_dec_return_release
+#endif
+
+#ifndef atomic64_dec_return_relaxed
+static inline s64
+atomic64_dec_return_relaxed(atomic64_t *v)
+{
+ return atomic64_sub_return_relaxed(1, v);
+}
+#define atomic64_dec_return_relaxed atomic64_dec_return_relaxed
+#endif
+
+#else /* atomic64_dec_return_relaxed */
+
+#ifndef atomic64_dec_return_acquire
+static inline s64
+atomic64_dec_return_acquire(atomic64_t *v)
+{
+ s64 ret = atomic64_dec_return_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_dec_return_acquire atomic64_dec_return_acquire
+#endif
+
+#ifndef atomic64_dec_return_release
+static inline s64
+atomic64_dec_return_release(atomic64_t *v)
+{
+ __atomic_release_fence();
+ return atomic64_dec_return_relaxed(v);
+}
+#define atomic64_dec_return_release atomic64_dec_return_release
+#endif
+
+#ifndef atomic64_dec_return
+static inline s64
+atomic64_dec_return(atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_dec_return_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_dec_return atomic64_dec_return
+#endif
+
+#endif /* atomic64_dec_return_relaxed */
+
+#ifndef atomic64_fetch_dec_relaxed
+#ifdef atomic64_fetch_dec
+#define atomic64_fetch_dec_acquire atomic64_fetch_dec
+#define atomic64_fetch_dec_release atomic64_fetch_dec
+#define atomic64_fetch_dec_relaxed atomic64_fetch_dec
+#endif /* atomic64_fetch_dec */
+
+#ifndef atomic64_fetch_dec
+static inline s64
+atomic64_fetch_dec(atomic64_t *v)
+{
+ return atomic64_fetch_sub(1, v);
+}
+#define atomic64_fetch_dec atomic64_fetch_dec
+#endif
+
+#ifndef atomic64_fetch_dec_acquire
+static inline s64
+atomic64_fetch_dec_acquire(atomic64_t *v)
+{
+ return atomic64_fetch_sub_acquire(1, v);
+}
+#define atomic64_fetch_dec_acquire atomic64_fetch_dec_acquire
+#endif
+
+#ifndef atomic64_fetch_dec_release
+static inline s64
+atomic64_fetch_dec_release(atomic64_t *v)
+{
+ return atomic64_fetch_sub_release(1, v);
+}
+#define atomic64_fetch_dec_release atomic64_fetch_dec_release
+#endif
+
+#ifndef atomic64_fetch_dec_relaxed
+static inline s64
+atomic64_fetch_dec_relaxed(atomic64_t *v)
+{
+ return atomic64_fetch_sub_relaxed(1, v);
+}
+#define atomic64_fetch_dec_relaxed atomic64_fetch_dec_relaxed
+#endif
+
+#else /* atomic64_fetch_dec_relaxed */
+
+#ifndef atomic64_fetch_dec_acquire
+static inline s64
+atomic64_fetch_dec_acquire(atomic64_t *v)
+{
+ s64 ret = atomic64_fetch_dec_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_fetch_dec_acquire atomic64_fetch_dec_acquire
+#endif
+
+#ifndef atomic64_fetch_dec_release
+static inline s64
+atomic64_fetch_dec_release(atomic64_t *v)
+{
+ __atomic_release_fence();
+ return atomic64_fetch_dec_relaxed(v);
+}
+#define atomic64_fetch_dec_release atomic64_fetch_dec_release
+#endif
+
+#ifndef atomic64_fetch_dec
+static inline s64
+atomic64_fetch_dec(atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_fetch_dec_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_fetch_dec atomic64_fetch_dec
+#endif
+
+#endif /* atomic64_fetch_dec_relaxed */
+
+#ifndef atomic64_fetch_and_relaxed
+#define atomic64_fetch_and_acquire atomic64_fetch_and
+#define atomic64_fetch_and_release atomic64_fetch_and
+#define atomic64_fetch_and_relaxed atomic64_fetch_and
+#else /* atomic64_fetch_and_relaxed */
+
+#ifndef atomic64_fetch_and_acquire
+static inline s64
+atomic64_fetch_and_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = atomic64_fetch_and_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_fetch_and_acquire atomic64_fetch_and_acquire
+#endif
+
+#ifndef atomic64_fetch_and_release
+static inline s64
+atomic64_fetch_and_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return atomic64_fetch_and_relaxed(i, v);
+}
+#define atomic64_fetch_and_release atomic64_fetch_and_release
+#endif
+
+#ifndef atomic64_fetch_and
+static inline s64
+atomic64_fetch_and(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_fetch_and_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_fetch_and atomic64_fetch_and
+#endif
+
+#endif /* atomic64_fetch_and_relaxed */
+
+#ifndef atomic64_andnot
+static inline void
+atomic64_andnot(s64 i, atomic64_t *v)
+{
+ atomic64_and(~i, v);
+}
+#define atomic64_andnot atomic64_andnot
+#endif
+
+#ifndef atomic64_fetch_andnot_relaxed
+#ifdef atomic64_fetch_andnot
+#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot
+#define atomic64_fetch_andnot_release atomic64_fetch_andnot
+#define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot
+#endif /* atomic64_fetch_andnot */
+
+#ifndef atomic64_fetch_andnot
+static inline s64
+atomic64_fetch_andnot(s64 i, atomic64_t *v)
+{
+ return atomic64_fetch_and(~i, v);
+}
+#define atomic64_fetch_andnot atomic64_fetch_andnot
+#endif
+
+#ifndef atomic64_fetch_andnot_acquire
+static inline s64
+atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v)
+{
+ return atomic64_fetch_and_acquire(~i, v);
+}
+#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot_acquire
+#endif
+
+#ifndef atomic64_fetch_andnot_release
+static inline s64
+atomic64_fetch_andnot_release(s64 i, atomic64_t *v)
+{
+ return atomic64_fetch_and_release(~i, v);
+}
+#define atomic64_fetch_andnot_release atomic64_fetch_andnot_release
+#endif
+
+#ifndef atomic64_fetch_andnot_relaxed
+static inline s64
+atomic64_fetch_andnot_relaxed(s64 i, atomic64_t *v)
+{
+ return atomic64_fetch_and_relaxed(~i, v);
+}
+#define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot_relaxed
+#endif
+
+#else /* atomic64_fetch_andnot_relaxed */
+
+#ifndef atomic64_fetch_andnot_acquire
+static inline s64
+atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = atomic64_fetch_andnot_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot_acquire
+#endif
+
+#ifndef atomic64_fetch_andnot_release
+static inline s64
+atomic64_fetch_andnot_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return atomic64_fetch_andnot_relaxed(i, v);
+}
+#define atomic64_fetch_andnot_release atomic64_fetch_andnot_release
+#endif
+
+#ifndef atomic64_fetch_andnot
+static inline s64
+atomic64_fetch_andnot(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_fetch_andnot_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_fetch_andnot atomic64_fetch_andnot
+#endif
+
+#endif /* atomic64_fetch_andnot_relaxed */
+
+#ifndef atomic64_fetch_or_relaxed
+#define atomic64_fetch_or_acquire atomic64_fetch_or
+#define atomic64_fetch_or_release atomic64_fetch_or
+#define atomic64_fetch_or_relaxed atomic64_fetch_or
+#else /* atomic64_fetch_or_relaxed */
+
+#ifndef atomic64_fetch_or_acquire
+static inline s64
+atomic64_fetch_or_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = atomic64_fetch_or_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_fetch_or_acquire atomic64_fetch_or_acquire
+#endif
+
+#ifndef atomic64_fetch_or_release
+static inline s64
+atomic64_fetch_or_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return atomic64_fetch_or_relaxed(i, v);
+}
+#define atomic64_fetch_or_release atomic64_fetch_or_release
+#endif
+
+#ifndef atomic64_fetch_or
+static inline s64
+atomic64_fetch_or(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_fetch_or_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_fetch_or atomic64_fetch_or
+#endif
+
+#endif /* atomic64_fetch_or_relaxed */
+
+#ifndef atomic64_fetch_xor_relaxed
+#define atomic64_fetch_xor_acquire atomic64_fetch_xor
+#define atomic64_fetch_xor_release atomic64_fetch_xor
+#define atomic64_fetch_xor_relaxed atomic64_fetch_xor
+#else /* atomic64_fetch_xor_relaxed */
+
+#ifndef atomic64_fetch_xor_acquire
+static inline s64
+atomic64_fetch_xor_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = atomic64_fetch_xor_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_fetch_xor_acquire atomic64_fetch_xor_acquire
+#endif
+
+#ifndef atomic64_fetch_xor_release
+static inline s64
+atomic64_fetch_xor_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return atomic64_fetch_xor_relaxed(i, v);
+}
+#define atomic64_fetch_xor_release atomic64_fetch_xor_release
+#endif
+
+#ifndef atomic64_fetch_xor
+static inline s64
+atomic64_fetch_xor(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_fetch_xor_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_fetch_xor atomic64_fetch_xor
+#endif
+
+#endif /* atomic64_fetch_xor_relaxed */
+
+#ifndef atomic64_xchg_relaxed
+#define atomic64_xchg_acquire atomic64_xchg
+#define atomic64_xchg_release atomic64_xchg
+#define atomic64_xchg_relaxed atomic64_xchg
+#else /* atomic64_xchg_relaxed */
+
+#ifndef atomic64_xchg_acquire
+static inline s64
+atomic64_xchg_acquire(atomic64_t *v, s64 i)
+{
+ s64 ret = atomic64_xchg_relaxed(v, i);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_xchg_acquire atomic64_xchg_acquire
+#endif
+
+#ifndef atomic64_xchg_release
+static inline s64
+atomic64_xchg_release(atomic64_t *v, s64 i)
+{
+ __atomic_release_fence();
+ return atomic64_xchg_relaxed(v, i);
+}
+#define atomic64_xchg_release atomic64_xchg_release
+#endif
+
+#ifndef atomic64_xchg
+static inline s64
+atomic64_xchg(atomic64_t *v, s64 i)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_xchg_relaxed(v, i);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_xchg atomic64_xchg
+#endif
+
+#endif /* atomic64_xchg_relaxed */
+
+#ifndef atomic64_cmpxchg_relaxed
+#define atomic64_cmpxchg_acquire atomic64_cmpxchg
+#define atomic64_cmpxchg_release atomic64_cmpxchg
+#define atomic64_cmpxchg_relaxed atomic64_cmpxchg
+#else /* atomic64_cmpxchg_relaxed */
+
+#ifndef atomic64_cmpxchg_acquire
+static inline s64
+atomic64_cmpxchg_acquire(atomic64_t *v, s64 old, s64 new)
+{
+ s64 ret = atomic64_cmpxchg_relaxed(v, old, new);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_cmpxchg_acquire atomic64_cmpxchg_acquire
+#endif
+
+#ifndef atomic64_cmpxchg_release
+static inline s64
+atomic64_cmpxchg_release(atomic64_t *v, s64 old, s64 new)
+{
+ __atomic_release_fence();
+ return atomic64_cmpxchg_relaxed(v, old, new);
+}
+#define atomic64_cmpxchg_release atomic64_cmpxchg_release
+#endif
+
+#ifndef atomic64_cmpxchg
+static inline s64
+atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_cmpxchg_relaxed(v, old, new);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_cmpxchg atomic64_cmpxchg
+#endif
+
+#endif /* atomic64_cmpxchg_relaxed */
+
+#ifndef atomic64_try_cmpxchg_relaxed
+#ifdef atomic64_try_cmpxchg
+#define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg
+#define atomic64_try_cmpxchg_release atomic64_try_cmpxchg
+#define atomic64_try_cmpxchg_relaxed atomic64_try_cmpxchg
+#endif /* atomic64_try_cmpxchg */
+
+#ifndef atomic64_try_cmpxchg
+static inline bool
+atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new)
+{
+ s64 r, o = *old;
+ r = atomic64_cmpxchg(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define atomic64_try_cmpxchg atomic64_try_cmpxchg
+#endif
+
+#ifndef atomic64_try_cmpxchg_acquire
+static inline bool
+atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new)
+{
+ s64 r, o = *old;
+ r = atomic64_cmpxchg_acquire(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg_acquire
+#endif
+
+#ifndef atomic64_try_cmpxchg_release
+static inline bool
+atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new)
+{
+ s64 r, o = *old;
+ r = atomic64_cmpxchg_release(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define atomic64_try_cmpxchg_release atomic64_try_cmpxchg_release
+#endif
+
+#ifndef atomic64_try_cmpxchg_relaxed
+static inline bool
+atomic64_try_cmpxchg_relaxed(atomic64_t *v, s64 *old, s64 new)
+{
+ s64 r, o = *old;
+ r = atomic64_cmpxchg_relaxed(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define atomic64_try_cmpxchg_relaxed atomic64_try_cmpxchg_relaxed
+#endif
+
+#else /* atomic64_try_cmpxchg_relaxed */
+
+#ifndef atomic64_try_cmpxchg_acquire
+static inline bool
+atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new)
+{
+ bool ret = atomic64_try_cmpxchg_relaxed(v, old, new);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg_acquire
+#endif
+
+#ifndef atomic64_try_cmpxchg_release
+static inline bool
+atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new)
+{
+ __atomic_release_fence();
+ return atomic64_try_cmpxchg_relaxed(v, old, new);
+}
+#define atomic64_try_cmpxchg_release atomic64_try_cmpxchg_release
+#endif
+
+#ifndef atomic64_try_cmpxchg
+static inline bool
+atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new)
+{
+ bool ret;
+ __atomic_pre_full_fence();
+ ret = atomic64_try_cmpxchg_relaxed(v, old, new);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define atomic64_try_cmpxchg atomic64_try_cmpxchg
+#endif
+
+#endif /* atomic64_try_cmpxchg_relaxed */
+
+#ifndef atomic64_sub_and_test
+/**
+ * atomic64_sub_and_test - subtract value from variable and test result
+ * @i: integer value to subtract
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically subtracts @i from @v and returns
+ * true if the result is zero, or false for all
+ * other cases.
+ */
+static inline bool
+atomic64_sub_and_test(s64 i, atomic64_t *v)
+{
+ return atomic64_sub_return(i, v) == 0;
+}
+#define atomic64_sub_and_test atomic64_sub_and_test
+#endif
+
+#ifndef atomic64_dec_and_test
+/**
+ * atomic64_dec_and_test - decrement and test
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically decrements @v by 1 and
+ * returns true if the result is 0, or false for all other
+ * cases.
+ */
+static inline bool
+atomic64_dec_and_test(atomic64_t *v)
+{
+ return atomic64_dec_return(v) == 0;
+}
+#define atomic64_dec_and_test atomic64_dec_and_test
+#endif
+
+#ifndef atomic64_inc_and_test
+/**
+ * atomic64_inc_and_test - increment and test
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increments @v by 1
+ * and returns true if the result is zero, or false for all
+ * other cases.
+ */
+static inline bool
+atomic64_inc_and_test(atomic64_t *v)
+{
+ return atomic64_inc_return(v) == 0;
+}
+#define atomic64_inc_and_test atomic64_inc_and_test
+#endif
+
+#ifndef atomic64_add_negative
+/**
+ * atomic64_add_negative - add and test if negative
+ * @i: integer value to add
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically adds @i to @v and returns true
+ * if the result is negative, or false when
+ * result is greater than or equal to zero.
+ */
+static inline bool
+atomic64_add_negative(s64 i, atomic64_t *v)
+{
+ return atomic64_add_return(i, v) < 0;
+}
+#define atomic64_add_negative atomic64_add_negative
+#endif
+
+#ifndef atomic64_fetch_add_unless
+/**
+ * atomic64_fetch_add_unless - add unless the number is already a given value
+ * @v: pointer of type atomic64_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, so long as @v was not already @u.
+ * Returns original value of @v
+ */
+static inline s64
+atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u)
+{
+ s64 c = atomic64_read(v);
+
+ do {
+ if (unlikely(c == u))
+ break;
+ } while (!atomic64_try_cmpxchg(v, &c, c + a));
+
+ return c;
+}
+#define atomic64_fetch_add_unless atomic64_fetch_add_unless
+#endif
+
+#ifndef atomic64_add_unless
+/**
+ * atomic64_add_unless - add unless the number is already a given value
+ * @v: pointer of type atomic64_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, if @v was not already @u.
+ * Returns true if the addition was done.
+ */
+static inline bool
+atomic64_add_unless(atomic64_t *v, s64 a, s64 u)
+{
+ return atomic64_fetch_add_unless(v, a, u) != u;
+}
+#define atomic64_add_unless atomic64_add_unless
+#endif
+
+#ifndef atomic64_inc_not_zero
+/**
+ * atomic64_inc_not_zero - increment unless the number is zero
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increments @v by 1, if @v is non-zero.
+ * Returns true if the increment was done.
+ */
+static inline bool
+atomic64_inc_not_zero(atomic64_t *v)
+{
+ return atomic64_add_unless(v, 1, 0);
+}
+#define atomic64_inc_not_zero atomic64_inc_not_zero
+#endif
+
+#ifndef atomic64_inc_unless_negative
+static inline bool
+atomic64_inc_unless_negative(atomic64_t *v)
+{
+ s64 c = atomic64_read(v);
+
+ do {
+ if (unlikely(c < 0))
+ return false;
+ } while (!atomic64_try_cmpxchg(v, &c, c + 1));
+
+ return true;
+}
+#define atomic64_inc_unless_negative atomic64_inc_unless_negative
+#endif
+
+#ifndef atomic64_dec_unless_positive
+static inline bool
+atomic64_dec_unless_positive(atomic64_t *v)
+{
+ s64 c = atomic64_read(v);
+
+ do {
+ if (unlikely(c > 0))
+ return false;
+ } while (!atomic64_try_cmpxchg(v, &c, c - 1));
+
+ return true;
+}
+#define atomic64_dec_unless_positive atomic64_dec_unless_positive
+#endif
+
+#ifndef atomic64_dec_if_positive
+static inline s64
+atomic64_dec_if_positive(atomic64_t *v)
+{
+ s64 dec, c = atomic64_read(v);
+
+ do {
+ dec = c - 1;
+ if (unlikely(dec < 0))
+ break;
+ } while (!atomic64_try_cmpxchg(v, &c, dec));
+
+ return dec;
+}
+#define atomic64_dec_if_positive atomic64_dec_if_positive
+#endif
+
+#define atomic64_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
+#define atomic64_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
+
+#endif /* _LINUX_ATOMIC_FALLBACK_H */
diff --git a/include/linux/atomic.h b/include/linux/atomic.h
index 1e8e88bdaf09..4c0d009a46f0 100644
--- a/include/linux/atomic.h
+++ b/include/linux/atomic.h
@@ -25,14 +25,6 @@
* See Documentation/memory-barriers.txt for ACQUIRE/RELEASE definitions.
*/
-#ifndef atomic_read_acquire
-#define atomic_read_acquire(v) smp_load_acquire(&(v)->counter)
-#endif
-
-#ifndef atomic_set_release
-#define atomic_set_release(v, i) smp_store_release(&(v)->counter, (i))
-#endif
-
/*
* The idea here is to build acquire/release variants by adding explicit
* barriers on top of the relaxed variant. In the case where the relaxed
@@ -79,1238 +71,7 @@
__ret; \
})
-/* atomic_add_return_relaxed */
-#ifndef atomic_add_return_relaxed
-#define atomic_add_return_relaxed atomic_add_return
-#define atomic_add_return_acquire atomic_add_return
-#define atomic_add_return_release atomic_add_return
-
-#else /* atomic_add_return_relaxed */
-
-#ifndef atomic_add_return_acquire
-#define atomic_add_return_acquire(...) \
- __atomic_op_acquire(atomic_add_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic_add_return_release
-#define atomic_add_return_release(...) \
- __atomic_op_release(atomic_add_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic_add_return
-#define atomic_add_return(...) \
- __atomic_op_fence(atomic_add_return, __VA_ARGS__)
-#endif
-#endif /* atomic_add_return_relaxed */
-
-#ifndef atomic_inc
-#define atomic_inc(v) atomic_add(1, (v))
-#endif
-
-/* atomic_inc_return_relaxed */
-#ifndef atomic_inc_return_relaxed
-
-#ifndef atomic_inc_return
-#define atomic_inc_return(v) atomic_add_return(1, (v))
-#define atomic_inc_return_relaxed(v) atomic_add_return_relaxed(1, (v))
-#define atomic_inc_return_acquire(v) atomic_add_return_acquire(1, (v))
-#define atomic_inc_return_release(v) atomic_add_return_release(1, (v))
-#else /* atomic_inc_return */
-#define atomic_inc_return_relaxed atomic_inc_return
-#define atomic_inc_return_acquire atomic_inc_return
-#define atomic_inc_return_release atomic_inc_return
-#endif /* atomic_inc_return */
-
-#else /* atomic_inc_return_relaxed */
-
-#ifndef atomic_inc_return_acquire
-#define atomic_inc_return_acquire(...) \
- __atomic_op_acquire(atomic_inc_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic_inc_return_release
-#define atomic_inc_return_release(...) \
- __atomic_op_release(atomic_inc_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic_inc_return
-#define atomic_inc_return(...) \
- __atomic_op_fence(atomic_inc_return, __VA_ARGS__)
-#endif
-#endif /* atomic_inc_return_relaxed */
-
-/* atomic_sub_return_relaxed */
-#ifndef atomic_sub_return_relaxed
-#define atomic_sub_return_relaxed atomic_sub_return
-#define atomic_sub_return_acquire atomic_sub_return
-#define atomic_sub_return_release atomic_sub_return
-
-#else /* atomic_sub_return_relaxed */
-
-#ifndef atomic_sub_return_acquire
-#define atomic_sub_return_acquire(...) \
- __atomic_op_acquire(atomic_sub_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic_sub_return_release
-#define atomic_sub_return_release(...) \
- __atomic_op_release(atomic_sub_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic_sub_return
-#define atomic_sub_return(...) \
- __atomic_op_fence(atomic_sub_return, __VA_ARGS__)
-#endif
-#endif /* atomic_sub_return_relaxed */
-
-#ifndef atomic_dec
-#define atomic_dec(v) atomic_sub(1, (v))
-#endif
-
-/* atomic_dec_return_relaxed */
-#ifndef atomic_dec_return_relaxed
-
-#ifndef atomic_dec_return
-#define atomic_dec_return(v) atomic_sub_return(1, (v))
-#define atomic_dec_return_relaxed(v) atomic_sub_return_relaxed(1, (v))
-#define atomic_dec_return_acquire(v) atomic_sub_return_acquire(1, (v))
-#define atomic_dec_return_release(v) atomic_sub_return_release(1, (v))
-#else /* atomic_dec_return */
-#define atomic_dec_return_relaxed atomic_dec_return
-#define atomic_dec_return_acquire atomic_dec_return
-#define atomic_dec_return_release atomic_dec_return
-#endif /* atomic_dec_return */
-
-#else /* atomic_dec_return_relaxed */
-
-#ifndef atomic_dec_return_acquire
-#define atomic_dec_return_acquire(...) \
- __atomic_op_acquire(atomic_dec_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic_dec_return_release
-#define atomic_dec_return_release(...) \
- __atomic_op_release(atomic_dec_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic_dec_return
-#define atomic_dec_return(...) \
- __atomic_op_fence(atomic_dec_return, __VA_ARGS__)
-#endif
-#endif /* atomic_dec_return_relaxed */
-
-
-/* atomic_fetch_add_relaxed */
-#ifndef atomic_fetch_add_relaxed
-#define atomic_fetch_add_relaxed atomic_fetch_add
-#define atomic_fetch_add_acquire atomic_fetch_add
-#define atomic_fetch_add_release atomic_fetch_add
-
-#else /* atomic_fetch_add_relaxed */
-
-#ifndef atomic_fetch_add_acquire
-#define atomic_fetch_add_acquire(...) \
- __atomic_op_acquire(atomic_fetch_add, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_add_release
-#define atomic_fetch_add_release(...) \
- __atomic_op_release(atomic_fetch_add, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_add
-#define atomic_fetch_add(...) \
- __atomic_op_fence(atomic_fetch_add, __VA_ARGS__)
-#endif
-#endif /* atomic_fetch_add_relaxed */
-
-/* atomic_fetch_inc_relaxed */
-#ifndef atomic_fetch_inc_relaxed
-
-#ifndef atomic_fetch_inc
-#define atomic_fetch_inc(v) atomic_fetch_add(1, (v))
-#define atomic_fetch_inc_relaxed(v) atomic_fetch_add_relaxed(1, (v))
-#define atomic_fetch_inc_acquire(v) atomic_fetch_add_acquire(1, (v))
-#define atomic_fetch_inc_release(v) atomic_fetch_add_release(1, (v))
-#else /* atomic_fetch_inc */
-#define atomic_fetch_inc_relaxed atomic_fetch_inc
-#define atomic_fetch_inc_acquire atomic_fetch_inc
-#define atomic_fetch_inc_release atomic_fetch_inc
-#endif /* atomic_fetch_inc */
-
-#else /* atomic_fetch_inc_relaxed */
-
-#ifndef atomic_fetch_inc_acquire
-#define atomic_fetch_inc_acquire(...) \
- __atomic_op_acquire(atomic_fetch_inc, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_inc_release
-#define atomic_fetch_inc_release(...) \
- __atomic_op_release(atomic_fetch_inc, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_inc
-#define atomic_fetch_inc(...) \
- __atomic_op_fence(atomic_fetch_inc, __VA_ARGS__)
-#endif
-#endif /* atomic_fetch_inc_relaxed */
-
-/* atomic_fetch_sub_relaxed */
-#ifndef atomic_fetch_sub_relaxed
-#define atomic_fetch_sub_relaxed atomic_fetch_sub
-#define atomic_fetch_sub_acquire atomic_fetch_sub
-#define atomic_fetch_sub_release atomic_fetch_sub
-
-#else /* atomic_fetch_sub_relaxed */
-
-#ifndef atomic_fetch_sub_acquire
-#define atomic_fetch_sub_acquire(...) \
- __atomic_op_acquire(atomic_fetch_sub, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_sub_release
-#define atomic_fetch_sub_release(...) \
- __atomic_op_release(atomic_fetch_sub, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_sub
-#define atomic_fetch_sub(...) \
- __atomic_op_fence(atomic_fetch_sub, __VA_ARGS__)
-#endif
-#endif /* atomic_fetch_sub_relaxed */
-
-/* atomic_fetch_dec_relaxed */
-#ifndef atomic_fetch_dec_relaxed
-
-#ifndef atomic_fetch_dec
-#define atomic_fetch_dec(v) atomic_fetch_sub(1, (v))
-#define atomic_fetch_dec_relaxed(v) atomic_fetch_sub_relaxed(1, (v))
-#define atomic_fetch_dec_acquire(v) atomic_fetch_sub_acquire(1, (v))
-#define atomic_fetch_dec_release(v) atomic_fetch_sub_release(1, (v))
-#else /* atomic_fetch_dec */
-#define atomic_fetch_dec_relaxed atomic_fetch_dec
-#define atomic_fetch_dec_acquire atomic_fetch_dec
-#define atomic_fetch_dec_release atomic_fetch_dec
-#endif /* atomic_fetch_dec */
-
-#else /* atomic_fetch_dec_relaxed */
-
-#ifndef atomic_fetch_dec_acquire
-#define atomic_fetch_dec_acquire(...) \
- __atomic_op_acquire(atomic_fetch_dec, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_dec_release
-#define atomic_fetch_dec_release(...) \
- __atomic_op_release(atomic_fetch_dec, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_dec
-#define atomic_fetch_dec(...) \
- __atomic_op_fence(atomic_fetch_dec, __VA_ARGS__)
-#endif
-#endif /* atomic_fetch_dec_relaxed */
-
-/* atomic_fetch_or_relaxed */
-#ifndef atomic_fetch_or_relaxed
-#define atomic_fetch_or_relaxed atomic_fetch_or
-#define atomic_fetch_or_acquire atomic_fetch_or
-#define atomic_fetch_or_release atomic_fetch_or
-
-#else /* atomic_fetch_or_relaxed */
-
-#ifndef atomic_fetch_or_acquire
-#define atomic_fetch_or_acquire(...) \
- __atomic_op_acquire(atomic_fetch_or, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_or_release
-#define atomic_fetch_or_release(...) \
- __atomic_op_release(atomic_fetch_or, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_or
-#define atomic_fetch_or(...) \
- __atomic_op_fence(atomic_fetch_or, __VA_ARGS__)
-#endif
-#endif /* atomic_fetch_or_relaxed */
-
-/* atomic_fetch_and_relaxed */
-#ifndef atomic_fetch_and_relaxed
-#define atomic_fetch_and_relaxed atomic_fetch_and
-#define atomic_fetch_and_acquire atomic_fetch_and
-#define atomic_fetch_and_release atomic_fetch_and
-
-#else /* atomic_fetch_and_relaxed */
-
-#ifndef atomic_fetch_and_acquire
-#define atomic_fetch_and_acquire(...) \
- __atomic_op_acquire(atomic_fetch_and, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_and_release
-#define atomic_fetch_and_release(...) \
- __atomic_op_release(atomic_fetch_and, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_and
-#define atomic_fetch_and(...) \
- __atomic_op_fence(atomic_fetch_and, __VA_ARGS__)
-#endif
-#endif /* atomic_fetch_and_relaxed */
-
-#ifndef atomic_andnot
-#define atomic_andnot(i, v) atomic_and(~(int)(i), (v))
-#endif
-
-#ifndef atomic_fetch_andnot_relaxed
-
-#ifndef atomic_fetch_andnot
-#define atomic_fetch_andnot(i, v) atomic_fetch_and(~(int)(i), (v))
-#define atomic_fetch_andnot_relaxed(i, v) atomic_fetch_and_relaxed(~(int)(i), (v))
-#define atomic_fetch_andnot_acquire(i, v) atomic_fetch_and_acquire(~(int)(i), (v))
-#define atomic_fetch_andnot_release(i, v) atomic_fetch_and_release(~(int)(i), (v))
-#else /* atomic_fetch_andnot */
-#define atomic_fetch_andnot_relaxed atomic_fetch_andnot
-#define atomic_fetch_andnot_acquire atomic_fetch_andnot
-#define atomic_fetch_andnot_release atomic_fetch_andnot
-#endif /* atomic_fetch_andnot */
-
-#else /* atomic_fetch_andnot_relaxed */
-
-#ifndef atomic_fetch_andnot_acquire
-#define atomic_fetch_andnot_acquire(...) \
- __atomic_op_acquire(atomic_fetch_andnot, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_andnot_release
-#define atomic_fetch_andnot_release(...) \
- __atomic_op_release(atomic_fetch_andnot, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_andnot
-#define atomic_fetch_andnot(...) \
- __atomic_op_fence(atomic_fetch_andnot, __VA_ARGS__)
-#endif
-#endif /* atomic_fetch_andnot_relaxed */
-
-/* atomic_fetch_xor_relaxed */
-#ifndef atomic_fetch_xor_relaxed
-#define atomic_fetch_xor_relaxed atomic_fetch_xor
-#define atomic_fetch_xor_acquire atomic_fetch_xor
-#define atomic_fetch_xor_release atomic_fetch_xor
-
-#else /* atomic_fetch_xor_relaxed */
-
-#ifndef atomic_fetch_xor_acquire
-#define atomic_fetch_xor_acquire(...) \
- __atomic_op_acquire(atomic_fetch_xor, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_xor_release
-#define atomic_fetch_xor_release(...) \
- __atomic_op_release(atomic_fetch_xor, __VA_ARGS__)
-#endif
-
-#ifndef atomic_fetch_xor
-#define atomic_fetch_xor(...) \
- __atomic_op_fence(atomic_fetch_xor, __VA_ARGS__)
-#endif
-#endif /* atomic_fetch_xor_relaxed */
-
-
-/* atomic_xchg_relaxed */
-#ifndef atomic_xchg_relaxed
-#define atomic_xchg_relaxed atomic_xchg
-#define atomic_xchg_acquire atomic_xchg
-#define atomic_xchg_release atomic_xchg
-
-#else /* atomic_xchg_relaxed */
-
-#ifndef atomic_xchg_acquire
-#define atomic_xchg_acquire(...) \
- __atomic_op_acquire(atomic_xchg, __VA_ARGS__)
-#endif
-
-#ifndef atomic_xchg_release
-#define atomic_xchg_release(...) \
- __atomic_op_release(atomic_xchg, __VA_ARGS__)
-#endif
-
-#ifndef atomic_xchg
-#define atomic_xchg(...) \
- __atomic_op_fence(atomic_xchg, __VA_ARGS__)
-#endif
-#endif /* atomic_xchg_relaxed */
-
-/* atomic_cmpxchg_relaxed */
-#ifndef atomic_cmpxchg_relaxed
-#define atomic_cmpxchg_relaxed atomic_cmpxchg
-#define atomic_cmpxchg_acquire atomic_cmpxchg
-#define atomic_cmpxchg_release atomic_cmpxchg
-
-#else /* atomic_cmpxchg_relaxed */
-
-#ifndef atomic_cmpxchg_acquire
-#define atomic_cmpxchg_acquire(...) \
- __atomic_op_acquire(atomic_cmpxchg, __VA_ARGS__)
-#endif
-
-#ifndef atomic_cmpxchg_release
-#define atomic_cmpxchg_release(...) \
- __atomic_op_release(atomic_cmpxchg, __VA_ARGS__)
-#endif
-
-#ifndef atomic_cmpxchg
-#define atomic_cmpxchg(...) \
- __atomic_op_fence(atomic_cmpxchg, __VA_ARGS__)
-#endif
-#endif /* atomic_cmpxchg_relaxed */
-
-#ifndef atomic_try_cmpxchg
-
-#define __atomic_try_cmpxchg(type, _p, _po, _n) \
-({ \
- typeof(_po) __po = (_po); \
- typeof(*(_po)) __r, __o = *__po; \
- __r = atomic_cmpxchg##type((_p), __o, (_n)); \
- if (unlikely(__r != __o)) \
- *__po = __r; \
- likely(__r == __o); \
-})
-
-#define atomic_try_cmpxchg(_p, _po, _n) __atomic_try_cmpxchg(, _p, _po, _n)
-#define atomic_try_cmpxchg_relaxed(_p, _po, _n) __atomic_try_cmpxchg(_relaxed, _p, _po, _n)
-#define atomic_try_cmpxchg_acquire(_p, _po, _n) __atomic_try_cmpxchg(_acquire, _p, _po, _n)
-#define atomic_try_cmpxchg_release(_p, _po, _n) __atomic_try_cmpxchg(_release, _p, _po, _n)
-
-#else /* atomic_try_cmpxchg */
-#define atomic_try_cmpxchg_relaxed atomic_try_cmpxchg
-#define atomic_try_cmpxchg_acquire atomic_try_cmpxchg
-#define atomic_try_cmpxchg_release atomic_try_cmpxchg
-#endif /* atomic_try_cmpxchg */
-
-/* cmpxchg_relaxed */
-#ifndef cmpxchg_relaxed
-#define cmpxchg_relaxed cmpxchg
-#define cmpxchg_acquire cmpxchg
-#define cmpxchg_release cmpxchg
-
-#else /* cmpxchg_relaxed */
-
-#ifndef cmpxchg_acquire
-#define cmpxchg_acquire(...) \
- __atomic_op_acquire(cmpxchg, __VA_ARGS__)
-#endif
-
-#ifndef cmpxchg_release
-#define cmpxchg_release(...) \
- __atomic_op_release(cmpxchg, __VA_ARGS__)
-#endif
-
-#ifndef cmpxchg
-#define cmpxchg(...) \
- __atomic_op_fence(cmpxchg, __VA_ARGS__)
-#endif
-#endif /* cmpxchg_relaxed */
-
-/* cmpxchg64_relaxed */
-#ifndef cmpxchg64_relaxed
-#define cmpxchg64_relaxed cmpxchg64
-#define cmpxchg64_acquire cmpxchg64
-#define cmpxchg64_release cmpxchg64
-
-#else /* cmpxchg64_relaxed */
-
-#ifndef cmpxchg64_acquire
-#define cmpxchg64_acquire(...) \
- __atomic_op_acquire(cmpxchg64, __VA_ARGS__)
-#endif
-
-#ifndef cmpxchg64_release
-#define cmpxchg64_release(...) \
- __atomic_op_release(cmpxchg64, __VA_ARGS__)
-#endif
-
-#ifndef cmpxchg64
-#define cmpxchg64(...) \
- __atomic_op_fence(cmpxchg64, __VA_ARGS__)
-#endif
-#endif /* cmpxchg64_relaxed */
-
-/* xchg_relaxed */
-#ifndef xchg_relaxed
-#define xchg_relaxed xchg
-#define xchg_acquire xchg
-#define xchg_release xchg
-
-#else /* xchg_relaxed */
-
-#ifndef xchg_acquire
-#define xchg_acquire(...) __atomic_op_acquire(xchg, __VA_ARGS__)
-#endif
-
-#ifndef xchg_release
-#define xchg_release(...) __atomic_op_release(xchg, __VA_ARGS__)
-#endif
-
-#ifndef xchg
-#define xchg(...) __atomic_op_fence(xchg, __VA_ARGS__)
-#endif
-#endif /* xchg_relaxed */
-
-/**
- * atomic_fetch_add_unless - add unless the number is already a given value
- * @v: pointer of type atomic_t
- * @a: the amount to add to v...
- * @u: ...unless v is equal to u.
- *
- * Atomically adds @a to @v, if @v was not already @u.
- * Returns the original value of @v.
- */
-#ifndef atomic_fetch_add_unless
-static inline int atomic_fetch_add_unless(atomic_t *v, int a, int u)
-{
- int c = atomic_read(v);
-
- do {
- if (unlikely(c == u))
- break;
- } while (!atomic_try_cmpxchg(v, &c, c + a));
-
- return c;
-}
-#endif
-
-/**
- * atomic_add_unless - add unless the number is already a given value
- * @v: pointer of type atomic_t
- * @a: the amount to add to v...
- * @u: ...unless v is equal to u.
- *
- * Atomically adds @a to @v, if @v was not already @u.
- * Returns true if the addition was done.
- */
-static inline bool atomic_add_unless(atomic_t *v, int a, int u)
-{
- return atomic_fetch_add_unless(v, a, u) != u;
-}
-
-/**
- * atomic_inc_not_zero - increment unless the number is zero
- * @v: pointer of type atomic_t
- *
- * Atomically increments @v by 1, if @v is non-zero.
- * Returns true if the increment was done.
- */
-#ifndef atomic_inc_not_zero
-#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
-#endif
-
-/**
- * atomic_inc_and_test - increment and test
- * @v: pointer of type atomic_t
- *
- * Atomically increments @v by 1
- * and returns true if the result is zero, or false for all
- * other cases.
- */
-#ifndef atomic_inc_and_test
-static inline bool atomic_inc_and_test(atomic_t *v)
-{
- return atomic_inc_return(v) == 0;
-}
-#endif
-
-/**
- * atomic_dec_and_test - decrement and test
- * @v: pointer of type atomic_t
- *
- * Atomically decrements @v by 1 and
- * returns true if the result is 0, or false for all other
- * cases.
- */
-#ifndef atomic_dec_and_test
-static inline bool atomic_dec_and_test(atomic_t *v)
-{
- return atomic_dec_return(v) == 0;
-}
-#endif
-
-/**
- * atomic_sub_and_test - subtract value from variable and test result
- * @i: integer value to subtract
- * @v: pointer of type atomic_t
- *
- * Atomically subtracts @i from @v and returns
- * true if the result is zero, or false for all
- * other cases.
- */
-#ifndef atomic_sub_and_test
-static inline bool atomic_sub_and_test(int i, atomic_t *v)
-{
- return atomic_sub_return(i, v) == 0;
-}
-#endif
-
-/**
- * atomic_add_negative - add and test if negative
- * @i: integer value to add
- * @v: pointer of type atomic_t
- *
- * Atomically adds @i to @v and returns true
- * if the result is negative, or false when
- * result is greater than or equal to zero.
- */
-#ifndef atomic_add_negative
-static inline bool atomic_add_negative(int i, atomic_t *v)
-{
- return atomic_add_return(i, v) < 0;
-}
-#endif
-
-#ifndef atomic_inc_unless_negative
-static inline bool atomic_inc_unless_negative(atomic_t *v)
-{
- int c = atomic_read(v);
-
- do {
- if (unlikely(c < 0))
- return false;
- } while (!atomic_try_cmpxchg(v, &c, c + 1));
-
- return true;
-}
-#endif
-
-#ifndef atomic_dec_unless_positive
-static inline bool atomic_dec_unless_positive(atomic_t *v)
-{
- int c = atomic_read(v);
-
- do {
- if (unlikely(c > 0))
- return false;
- } while (!atomic_try_cmpxchg(v, &c, c - 1));
-
- return true;
-}
-#endif
-
-/*
- * atomic_dec_if_positive - decrement by 1 if old value positive
- * @v: pointer of type atomic_t
- *
- * The function returns the old value of *v minus 1, even if
- * the atomic variable, v, was not decremented.
- */
-#ifndef atomic_dec_if_positive
-static inline int atomic_dec_if_positive(atomic_t *v)
-{
- int dec, c = atomic_read(v);
-
- do {
- dec = c - 1;
- if (unlikely(dec < 0))
- break;
- } while (!atomic_try_cmpxchg(v, &c, dec));
-
- return dec;
-}
-#endif
-
-#define atomic_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
-#define atomic_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
-
-#ifdef CONFIG_GENERIC_ATOMIC64
-#include <asm-generic/atomic64.h>
-#endif
-
-#ifndef atomic64_read_acquire
-#define atomic64_read_acquire(v) smp_load_acquire(&(v)->counter)
-#endif
-
-#ifndef atomic64_set_release
-#define atomic64_set_release(v, i) smp_store_release(&(v)->counter, (i))
-#endif
-
-/* atomic64_add_return_relaxed */
-#ifndef atomic64_add_return_relaxed
-#define atomic64_add_return_relaxed atomic64_add_return
-#define atomic64_add_return_acquire atomic64_add_return
-#define atomic64_add_return_release atomic64_add_return
-
-#else /* atomic64_add_return_relaxed */
-
-#ifndef atomic64_add_return_acquire
-#define atomic64_add_return_acquire(...) \
- __atomic_op_acquire(atomic64_add_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_add_return_release
-#define atomic64_add_return_release(...) \
- __atomic_op_release(atomic64_add_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_add_return
-#define atomic64_add_return(...) \
- __atomic_op_fence(atomic64_add_return, __VA_ARGS__)
-#endif
-#endif /* atomic64_add_return_relaxed */
-
-#ifndef atomic64_inc
-#define atomic64_inc(v) atomic64_add(1, (v))
-#endif
-
-/* atomic64_inc_return_relaxed */
-#ifndef atomic64_inc_return_relaxed
-
-#ifndef atomic64_inc_return
-#define atomic64_inc_return(v) atomic64_add_return(1, (v))
-#define atomic64_inc_return_relaxed(v) atomic64_add_return_relaxed(1, (v))
-#define atomic64_inc_return_acquire(v) atomic64_add_return_acquire(1, (v))
-#define atomic64_inc_return_release(v) atomic64_add_return_release(1, (v))
-#else /* atomic64_inc_return */
-#define atomic64_inc_return_relaxed atomic64_inc_return
-#define atomic64_inc_return_acquire atomic64_inc_return
-#define atomic64_inc_return_release atomic64_inc_return
-#endif /* atomic64_inc_return */
-
-#else /* atomic64_inc_return_relaxed */
-
-#ifndef atomic64_inc_return_acquire
-#define atomic64_inc_return_acquire(...) \
- __atomic_op_acquire(atomic64_inc_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_inc_return_release
-#define atomic64_inc_return_release(...) \
- __atomic_op_release(atomic64_inc_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_inc_return
-#define atomic64_inc_return(...) \
- __atomic_op_fence(atomic64_inc_return, __VA_ARGS__)
-#endif
-#endif /* atomic64_inc_return_relaxed */
-
-
-/* atomic64_sub_return_relaxed */
-#ifndef atomic64_sub_return_relaxed
-#define atomic64_sub_return_relaxed atomic64_sub_return
-#define atomic64_sub_return_acquire atomic64_sub_return
-#define atomic64_sub_return_release atomic64_sub_return
-
-#else /* atomic64_sub_return_relaxed */
-
-#ifndef atomic64_sub_return_acquire
-#define atomic64_sub_return_acquire(...) \
- __atomic_op_acquire(atomic64_sub_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_sub_return_release
-#define atomic64_sub_return_release(...) \
- __atomic_op_release(atomic64_sub_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_sub_return
-#define atomic64_sub_return(...) \
- __atomic_op_fence(atomic64_sub_return, __VA_ARGS__)
-#endif
-#endif /* atomic64_sub_return_relaxed */
-
-#ifndef atomic64_dec
-#define atomic64_dec(v) atomic64_sub(1, (v))
-#endif
-
-/* atomic64_dec_return_relaxed */
-#ifndef atomic64_dec_return_relaxed
-
-#ifndef atomic64_dec_return
-#define atomic64_dec_return(v) atomic64_sub_return(1, (v))
-#define atomic64_dec_return_relaxed(v) atomic64_sub_return_relaxed(1, (v))
-#define atomic64_dec_return_acquire(v) atomic64_sub_return_acquire(1, (v))
-#define atomic64_dec_return_release(v) atomic64_sub_return_release(1, (v))
-#else /* atomic64_dec_return */
-#define atomic64_dec_return_relaxed atomic64_dec_return
-#define atomic64_dec_return_acquire atomic64_dec_return
-#define atomic64_dec_return_release atomic64_dec_return
-#endif /* atomic64_dec_return */
-
-#else /* atomic64_dec_return_relaxed */
-
-#ifndef atomic64_dec_return_acquire
-#define atomic64_dec_return_acquire(...) \
- __atomic_op_acquire(atomic64_dec_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_dec_return_release
-#define atomic64_dec_return_release(...) \
- __atomic_op_release(atomic64_dec_return, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_dec_return
-#define atomic64_dec_return(...) \
- __atomic_op_fence(atomic64_dec_return, __VA_ARGS__)
-#endif
-#endif /* atomic64_dec_return_relaxed */
-
-
-/* atomic64_fetch_add_relaxed */
-#ifndef atomic64_fetch_add_relaxed
-#define atomic64_fetch_add_relaxed atomic64_fetch_add
-#define atomic64_fetch_add_acquire atomic64_fetch_add
-#define atomic64_fetch_add_release atomic64_fetch_add
-
-#else /* atomic64_fetch_add_relaxed */
-
-#ifndef atomic64_fetch_add_acquire
-#define atomic64_fetch_add_acquire(...) \
- __atomic_op_acquire(atomic64_fetch_add, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_add_release
-#define atomic64_fetch_add_release(...) \
- __atomic_op_release(atomic64_fetch_add, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_add
-#define atomic64_fetch_add(...) \
- __atomic_op_fence(atomic64_fetch_add, __VA_ARGS__)
-#endif
-#endif /* atomic64_fetch_add_relaxed */
-
-/* atomic64_fetch_inc_relaxed */
-#ifndef atomic64_fetch_inc_relaxed
-
-#ifndef atomic64_fetch_inc
-#define atomic64_fetch_inc(v) atomic64_fetch_add(1, (v))
-#define atomic64_fetch_inc_relaxed(v) atomic64_fetch_add_relaxed(1, (v))
-#define atomic64_fetch_inc_acquire(v) atomic64_fetch_add_acquire(1, (v))
-#define atomic64_fetch_inc_release(v) atomic64_fetch_add_release(1, (v))
-#else /* atomic64_fetch_inc */
-#define atomic64_fetch_inc_relaxed atomic64_fetch_inc
-#define atomic64_fetch_inc_acquire atomic64_fetch_inc
-#define atomic64_fetch_inc_release atomic64_fetch_inc
-#endif /* atomic64_fetch_inc */
-
-#else /* atomic64_fetch_inc_relaxed */
-
-#ifndef atomic64_fetch_inc_acquire
-#define atomic64_fetch_inc_acquire(...) \
- __atomic_op_acquire(atomic64_fetch_inc, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_inc_release
-#define atomic64_fetch_inc_release(...) \
- __atomic_op_release(atomic64_fetch_inc, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_inc
-#define atomic64_fetch_inc(...) \
- __atomic_op_fence(atomic64_fetch_inc, __VA_ARGS__)
-#endif
-#endif /* atomic64_fetch_inc_relaxed */
-
-/* atomic64_fetch_sub_relaxed */
-#ifndef atomic64_fetch_sub_relaxed
-#define atomic64_fetch_sub_relaxed atomic64_fetch_sub
-#define atomic64_fetch_sub_acquire atomic64_fetch_sub
-#define atomic64_fetch_sub_release atomic64_fetch_sub
-
-#else /* atomic64_fetch_sub_relaxed */
-
-#ifndef atomic64_fetch_sub_acquire
-#define atomic64_fetch_sub_acquire(...) \
- __atomic_op_acquire(atomic64_fetch_sub, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_sub_release
-#define atomic64_fetch_sub_release(...) \
- __atomic_op_release(atomic64_fetch_sub, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_sub
-#define atomic64_fetch_sub(...) \
- __atomic_op_fence(atomic64_fetch_sub, __VA_ARGS__)
-#endif
-#endif /* atomic64_fetch_sub_relaxed */
-
-/* atomic64_fetch_dec_relaxed */
-#ifndef atomic64_fetch_dec_relaxed
-
-#ifndef atomic64_fetch_dec
-#define atomic64_fetch_dec(v) atomic64_fetch_sub(1, (v))
-#define atomic64_fetch_dec_relaxed(v) atomic64_fetch_sub_relaxed(1, (v))
-#define atomic64_fetch_dec_acquire(v) atomic64_fetch_sub_acquire(1, (v))
-#define atomic64_fetch_dec_release(v) atomic64_fetch_sub_release(1, (v))
-#else /* atomic64_fetch_dec */
-#define atomic64_fetch_dec_relaxed atomic64_fetch_dec
-#define atomic64_fetch_dec_acquire atomic64_fetch_dec
-#define atomic64_fetch_dec_release atomic64_fetch_dec
-#endif /* atomic64_fetch_dec */
-
-#else /* atomic64_fetch_dec_relaxed */
-
-#ifndef atomic64_fetch_dec_acquire
-#define atomic64_fetch_dec_acquire(...) \
- __atomic_op_acquire(atomic64_fetch_dec, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_dec_release
-#define atomic64_fetch_dec_release(...) \
- __atomic_op_release(atomic64_fetch_dec, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_dec
-#define atomic64_fetch_dec(...) \
- __atomic_op_fence(atomic64_fetch_dec, __VA_ARGS__)
-#endif
-#endif /* atomic64_fetch_dec_relaxed */
-
-/* atomic64_fetch_or_relaxed */
-#ifndef atomic64_fetch_or_relaxed
-#define atomic64_fetch_or_relaxed atomic64_fetch_or
-#define atomic64_fetch_or_acquire atomic64_fetch_or
-#define atomic64_fetch_or_release atomic64_fetch_or
-
-#else /* atomic64_fetch_or_relaxed */
-
-#ifndef atomic64_fetch_or_acquire
-#define atomic64_fetch_or_acquire(...) \
- __atomic_op_acquire(atomic64_fetch_or, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_or_release
-#define atomic64_fetch_or_release(...) \
- __atomic_op_release(atomic64_fetch_or, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_or
-#define atomic64_fetch_or(...) \
- __atomic_op_fence(atomic64_fetch_or, __VA_ARGS__)
-#endif
-#endif /* atomic64_fetch_or_relaxed */
-
-/* atomic64_fetch_and_relaxed */
-#ifndef atomic64_fetch_and_relaxed
-#define atomic64_fetch_and_relaxed atomic64_fetch_and
-#define atomic64_fetch_and_acquire atomic64_fetch_and
-#define atomic64_fetch_and_release atomic64_fetch_and
-
-#else /* atomic64_fetch_and_relaxed */
-
-#ifndef atomic64_fetch_and_acquire
-#define atomic64_fetch_and_acquire(...) \
- __atomic_op_acquire(atomic64_fetch_and, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_and_release
-#define atomic64_fetch_and_release(...) \
- __atomic_op_release(atomic64_fetch_and, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_and
-#define atomic64_fetch_and(...) \
- __atomic_op_fence(atomic64_fetch_and, __VA_ARGS__)
-#endif
-#endif /* atomic64_fetch_and_relaxed */
-
-#ifndef atomic64_andnot
-#define atomic64_andnot(i, v) atomic64_and(~(long long)(i), (v))
-#endif
-
-#ifndef atomic64_fetch_andnot_relaxed
-
-#ifndef atomic64_fetch_andnot
-#define atomic64_fetch_andnot(i, v) atomic64_fetch_and(~(long long)(i), (v))
-#define atomic64_fetch_andnot_relaxed(i, v) atomic64_fetch_and_relaxed(~(long long)(i), (v))
-#define atomic64_fetch_andnot_acquire(i, v) atomic64_fetch_and_acquire(~(long long)(i), (v))
-#define atomic64_fetch_andnot_release(i, v) atomic64_fetch_and_release(~(long long)(i), (v))
-#else /* atomic64_fetch_andnot */
-#define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot
-#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot
-#define atomic64_fetch_andnot_release atomic64_fetch_andnot
-#endif /* atomic64_fetch_andnot */
-
-#else /* atomic64_fetch_andnot_relaxed */
-
-#ifndef atomic64_fetch_andnot_acquire
-#define atomic64_fetch_andnot_acquire(...) \
- __atomic_op_acquire(atomic64_fetch_andnot, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_andnot_release
-#define atomic64_fetch_andnot_release(...) \
- __atomic_op_release(atomic64_fetch_andnot, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_andnot
-#define atomic64_fetch_andnot(...) \
- __atomic_op_fence(atomic64_fetch_andnot, __VA_ARGS__)
-#endif
-#endif /* atomic64_fetch_andnot_relaxed */
-
-/* atomic64_fetch_xor_relaxed */
-#ifndef atomic64_fetch_xor_relaxed
-#define atomic64_fetch_xor_relaxed atomic64_fetch_xor
-#define atomic64_fetch_xor_acquire atomic64_fetch_xor
-#define atomic64_fetch_xor_release atomic64_fetch_xor
-
-#else /* atomic64_fetch_xor_relaxed */
-
-#ifndef atomic64_fetch_xor_acquire
-#define atomic64_fetch_xor_acquire(...) \
- __atomic_op_acquire(atomic64_fetch_xor, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_xor_release
-#define atomic64_fetch_xor_release(...) \
- __atomic_op_release(atomic64_fetch_xor, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_fetch_xor
-#define atomic64_fetch_xor(...) \
- __atomic_op_fence(atomic64_fetch_xor, __VA_ARGS__)
-#endif
-#endif /* atomic64_fetch_xor_relaxed */
-
-
-/* atomic64_xchg_relaxed */
-#ifndef atomic64_xchg_relaxed
-#define atomic64_xchg_relaxed atomic64_xchg
-#define atomic64_xchg_acquire atomic64_xchg
-#define atomic64_xchg_release atomic64_xchg
-
-#else /* atomic64_xchg_relaxed */
-
-#ifndef atomic64_xchg_acquire
-#define atomic64_xchg_acquire(...) \
- __atomic_op_acquire(atomic64_xchg, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_xchg_release
-#define atomic64_xchg_release(...) \
- __atomic_op_release(atomic64_xchg, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_xchg
-#define atomic64_xchg(...) \
- __atomic_op_fence(atomic64_xchg, __VA_ARGS__)
-#endif
-#endif /* atomic64_xchg_relaxed */
-
-/* atomic64_cmpxchg_relaxed */
-#ifndef atomic64_cmpxchg_relaxed
-#define atomic64_cmpxchg_relaxed atomic64_cmpxchg
-#define atomic64_cmpxchg_acquire atomic64_cmpxchg
-#define atomic64_cmpxchg_release atomic64_cmpxchg
-
-#else /* atomic64_cmpxchg_relaxed */
-
-#ifndef atomic64_cmpxchg_acquire
-#define atomic64_cmpxchg_acquire(...) \
- __atomic_op_acquire(atomic64_cmpxchg, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_cmpxchg_release
-#define atomic64_cmpxchg_release(...) \
- __atomic_op_release(atomic64_cmpxchg, __VA_ARGS__)
-#endif
-
-#ifndef atomic64_cmpxchg
-#define atomic64_cmpxchg(...) \
- __atomic_op_fence(atomic64_cmpxchg, __VA_ARGS__)
-#endif
-#endif /* atomic64_cmpxchg_relaxed */
-
-#ifndef atomic64_try_cmpxchg
-
-#define __atomic64_try_cmpxchg(type, _p, _po, _n) \
-({ \
- typeof(_po) __po = (_po); \
- typeof(*(_po)) __r, __o = *__po; \
- __r = atomic64_cmpxchg##type((_p), __o, (_n)); \
- if (unlikely(__r != __o)) \
- *__po = __r; \
- likely(__r == __o); \
-})
-
-#define atomic64_try_cmpxchg(_p, _po, _n) __atomic64_try_cmpxchg(, _p, _po, _n)
-#define atomic64_try_cmpxchg_relaxed(_p, _po, _n) __atomic64_try_cmpxchg(_relaxed, _p, _po, _n)
-#define atomic64_try_cmpxchg_acquire(_p, _po, _n) __atomic64_try_cmpxchg(_acquire, _p, _po, _n)
-#define atomic64_try_cmpxchg_release(_p, _po, _n) __atomic64_try_cmpxchg(_release, _p, _po, _n)
-
-#else /* atomic64_try_cmpxchg */
-#define atomic64_try_cmpxchg_relaxed atomic64_try_cmpxchg
-#define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg
-#define atomic64_try_cmpxchg_release atomic64_try_cmpxchg
-#endif /* atomic64_try_cmpxchg */
-
-/**
- * atomic64_fetch_add_unless - add unless the number is already a given value
- * @v: pointer of type atomic64_t
- * @a: the amount to add to v...
- * @u: ...unless v is equal to u.
- *
- * Atomically adds @a to @v, if @v was not already @u.
- * Returns the original value of @v.
- */
-#ifndef atomic64_fetch_add_unless
-static inline long long atomic64_fetch_add_unless(atomic64_t *v, long long a,
- long long u)
-{
- long long c = atomic64_read(v);
-
- do {
- if (unlikely(c == u))
- break;
- } while (!atomic64_try_cmpxchg(v, &c, c + a));
-
- return c;
-}
-#endif
-
-/**
- * atomic64_add_unless - add unless the number is already a given value
- * @v: pointer of type atomic_t
- * @a: the amount to add to v...
- * @u: ...unless v is equal to u.
- *
- * Atomically adds @a to @v, if @v was not already @u.
- * Returns true if the addition was done.
- */
-static inline bool atomic64_add_unless(atomic64_t *v, long long a, long long u)
-{
- return atomic64_fetch_add_unless(v, a, u) != u;
-}
-
-/**
- * atomic64_inc_not_zero - increment unless the number is zero
- * @v: pointer of type atomic64_t
- *
- * Atomically increments @v by 1, if @v is non-zero.
- * Returns true if the increment was done.
- */
-#ifndef atomic64_inc_not_zero
-#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
-#endif
-
-/**
- * atomic64_inc_and_test - increment and test
- * @v: pointer of type atomic64_t
- *
- * Atomically increments @v by 1
- * and returns true if the result is zero, or false for all
- * other cases.
- */
-#ifndef atomic64_inc_and_test
-static inline bool atomic64_inc_and_test(atomic64_t *v)
-{
- return atomic64_inc_return(v) == 0;
-}
-#endif
-
-/**
- * atomic64_dec_and_test - decrement and test
- * @v: pointer of type atomic64_t
- *
- * Atomically decrements @v by 1 and
- * returns true if the result is 0, or false for all other
- * cases.
- */
-#ifndef atomic64_dec_and_test
-static inline bool atomic64_dec_and_test(atomic64_t *v)
-{
- return atomic64_dec_return(v) == 0;
-}
-#endif
-
-/**
- * atomic64_sub_and_test - subtract value from variable and test result
- * @i: integer value to subtract
- * @v: pointer of type atomic64_t
- *
- * Atomically subtracts @i from @v and returns
- * true if the result is zero, or false for all
- * other cases.
- */
-#ifndef atomic64_sub_and_test
-static inline bool atomic64_sub_and_test(long long i, atomic64_t *v)
-{
- return atomic64_sub_return(i, v) == 0;
-}
-#endif
-
-/**
- * atomic64_add_negative - add and test if negative
- * @i: integer value to add
- * @v: pointer of type atomic64_t
- *
- * Atomically adds @i to @v and returns true
- * if the result is negative, or false when
- * result is greater than or equal to zero.
- */
-#ifndef atomic64_add_negative
-static inline bool atomic64_add_negative(long long i, atomic64_t *v)
-{
- return atomic64_add_return(i, v) < 0;
-}
-#endif
-
-#ifndef atomic64_inc_unless_negative
-static inline bool atomic64_inc_unless_negative(atomic64_t *v)
-{
- long long c = atomic64_read(v);
-
- do {
- if (unlikely(c < 0))
- return false;
- } while (!atomic64_try_cmpxchg(v, &c, c + 1));
-
- return true;
-}
-#endif
-
-#ifndef atomic64_dec_unless_positive
-static inline bool atomic64_dec_unless_positive(atomic64_t *v)
-{
- long long c = atomic64_read(v);
-
- do {
- if (unlikely(c > 0))
- return false;
- } while (!atomic64_try_cmpxchg(v, &c, c - 1));
-
- return true;
-}
-#endif
-
-/*
- * atomic64_dec_if_positive - decrement by 1 if old value positive
- * @v: pointer of type atomic64_t
- *
- * The function returns the old value of *v minus 1, even if
- * the atomic64 variable, v, was not decremented.
- */
-#ifndef atomic64_dec_if_positive
-static inline long long atomic64_dec_if_positive(atomic64_t *v)
-{
- long long dec, c = atomic64_read(v);
-
- do {
- dec = c - 1;
- if (unlikely(dec < 0))
- break;
- } while (!atomic64_try_cmpxchg(v, &c, dec));
-
- return dec;
-}
-#endif
-
-#define atomic64_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
-#define atomic64_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
+#include <linux/atomic-fallback.h>
#include <asm-generic/atomic-long.h>
diff --git a/scripts/atomic/atomic-tbl.sh b/scripts/atomic/atomic-tbl.sh
new file mode 100755
index 000000000000..9d6be538a987
--- /dev/null
+++ b/scripts/atomic/atomic-tbl.sh
@@ -0,0 +1,186 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# helpers for dealing with atomics.tbl
+
+#meta_in(meta, match)
+meta_in()
+{
+ case "$1" in
+ [$2]) return 0;;
+ esac
+
+ return 1
+}
+
+#meta_has_ret(meta)
+meta_has_ret()
+{
+ meta_in "$1" "bBiIfFlR"
+}
+
+#meta_has_acquire(meta)
+meta_has_acquire()
+{
+ meta_in "$1" "BFIlR"
+}
+
+#meta_has_release(meta)
+meta_has_release()
+{
+ meta_in "$1" "BFIRs"
+}
+
+#meta_has_relaxed(meta)
+meta_has_relaxed()
+{
+ meta_in "$1" "BFIR"
+}
+
+#find_fallback_template(pfx, name, sfx, order)
+find_fallback_template()
+{
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local order="$1"; shift
+
+ local base=""
+ local file=""
+
+ # We may have fallbacks for a specific case (e.g. read_acquire()), or
+ # an entire class, e.g. *inc*().
+ #
+ # Start at the most specific, and fall back to the most general. Once
+ # we find a specific fallback, don't bother looking for more.
+ for base in "${pfx}${name}${sfx}${order}" "${name}"; do
+ file="${ATOMICDIR}/fallbacks/${base}"
+
+ if [ -f "${file}" ]; then
+ printf "${file}"
+ break
+ fi
+ done
+}
+
+#gen_ret_type(meta, int)
+gen_ret_type() {
+ local meta="$1"; shift
+ local int="$1"; shift
+
+ case "${meta}" in
+ [sv]) printf "void";;
+ [bB]) printf "bool";;
+ [aiIfFlR]) printf "${int}";;
+ esac
+}
+
+#gen_ret_stmt(meta)
+gen_ret_stmt()
+{
+ if meta_has_ret "${meta}"; then
+ printf "return ";
+ fi
+}
+
+# gen_param_name(arg)
+gen_param_name()
+{
+ # strip off the leading 'c' for 'cv'
+ local name="${1#c}"
+ printf "${name#*:}"
+}
+
+# gen_param_type(arg, int, atomic)
+gen_param_type()
+{
+ local type="${1%%:*}"; shift
+ local int="$1"; shift
+ local atomic="$1"; shift
+
+ case "${type}" in
+ i) type="${int} ";;
+ p) type="${int} *";;
+ v) type="${atomic}_t *";;
+ cv) type="const ${atomic}_t *";;
+ esac
+
+ printf "${type}"
+}
+
+#gen_param(arg, int, atomic)
+gen_param()
+{
+ local arg="$1"; shift
+ local int="$1"; shift
+ local atomic="$1"; shift
+ local name="$(gen_param_name "${arg}")"
+ local type="$(gen_param_type "${arg}" "${int}" "${atomic}")"
+
+ printf "${type}${name}"
+}
+
+#gen_params(int, atomic, arg...)
+gen_params()
+{
+ local int="$1"; shift
+ local atomic="$1"; shift
+
+ while [ "$#" -gt 0 ]; do
+ gen_param "$1" "${int}" "${atomic}"
+ [ "$#" -gt 1 ] && printf ", "
+ shift;
+ done
+}
+
+#gen_args(arg...)
+gen_args()
+{
+ while [ "$#" -gt 0 ]; do
+ printf "$(gen_param_name "$1")"
+ [ "$#" -gt 1 ] && printf ", "
+ shift;
+ done
+}
+
+#gen_proto_order_variants(meta, pfx, name, sfx, ...)
+gen_proto_order_variants()
+{
+ local meta="$1"; shift
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+
+ gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "" "$@"
+
+ if meta_has_acquire "${meta}"; then
+ gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "_acquire" "$@"
+ fi
+ if meta_has_release "${meta}"; then
+ gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "_release" "$@"
+ fi
+ if meta_has_relaxed "${meta}"; then
+ gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "_relaxed" "$@"
+ fi
+}
+
+#gen_proto_variants(meta, name, ...)
+gen_proto_variants()
+{
+ local meta="$1"; shift
+ local name="$1"; shift
+ local pfx=""
+ local sfx=""
+
+ meta_in "${meta}" "fF" && pfx="fetch_"
+ meta_in "${meta}" "R" && sfx="_return"
+
+ gen_proto_order_variants "${meta}" "${pfx}" "${name}" "${sfx}" "$@"
+}
+
+#gen_proto(meta, ...)
+gen_proto() {
+ local meta="$1"; shift
+ for m in $(echo "${meta}" | fold -w1); do
+ gen_proto_variants "${m}" "$@"
+ done
+}
diff --git a/scripts/atomic/atomics.tbl b/scripts/atomic/atomics.tbl
new file mode 100755
index 000000000000..fbee2f6190d9
--- /dev/null
+++ b/scripts/atomic/atomics.tbl
@@ -0,0 +1,41 @@
+# name meta args...
+#
+# Where meta contains a string of variants to generate.
+# Upper-case implies _{acquire,release,relaxed} variants.
+# Valid meta values are:
+# * B/b - bool: returns bool
+# * v - void: returns void
+# * I/i - int: returns base type
+# * R - return: returns base type (has _return variants)
+# * F/f - fetch: returns base type (has fetch_ variants)
+# * l - load: returns base type (has _acquire order variant)
+# * s - store: returns void (has _release order variant)
+#
+# Where args contains list of type[:name], where type is:
+# * cv - const pointer to atomic base type (atomic_t/atomic64_t/atomic_long_t)
+# * v - pointer to atomic base type (atomic_t/atomic64_t/atomic_long_t)
+# * i - base type (int/s64/long)
+# * p - pointer to base type (int/s64/long)
+#
+read l cv
+set s v i
+add vRF i v
+sub vRF i v
+inc vRF v
+dec vRF v
+and vF i v
+andnot vF i v
+or vF i v
+xor vF i v
+xchg I v i
+cmpxchg I v i:old i:new
+try_cmpxchg B v p:old i:new
+sub_and_test b i v
+dec_and_test b v
+inc_and_test b v
+add_negative b i v
+add_unless fb v i:a i:u
+inc_not_zero b v
+inc_unless_negative b v
+dec_unless_positive b v
+dec_if_positive i v
diff --git a/scripts/atomic/check-atomics.sh b/scripts/atomic/check-atomics.sh
new file mode 100755
index 000000000000..c30101cddf2d
--- /dev/null
+++ b/scripts/atomic/check-atomics.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Check if atomic headers are up-to-date
+
+ATOMICDIR=$(dirname $0)
+ATOMICTBL=${ATOMICDIR}/atomics.tbl
+LINUXDIR=${ATOMICDIR}/../..
+
+cat <<EOF |
+gen-atomic-instrumented.sh asm-generic/atomic-instrumented.h
+gen-atomic-long.sh asm-generic/atomic-long.h
+gen-atomic-fallback.sh linux/atomic-fallback.h
+EOF
+while read script header; do
+ if ! (${ATOMICDIR}/${script} ${ATOMICTBL} | diff - ${LINUXDIR}/include/${header} > /dev/null); then
+ printf "warning: include/${header} is out-of-date.\n"
+ fi
+done
diff --git a/scripts/atomic/fallbacks/acquire b/scripts/atomic/fallbacks/acquire
new file mode 100755
index 000000000000..e38871e64db6
--- /dev/null
+++ b/scripts/atomic/fallbacks/acquire
@@ -0,0 +1,9 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_${pfx}${name}${sfx}_acquire(${params})
+{
+ ${ret} ret = ${atomic}_${pfx}${name}${sfx}_relaxed(${args});
+ __atomic_acquire_fence();
+ return ret;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/add_negative b/scripts/atomic/fallbacks/add_negative
new file mode 100755
index 000000000000..e6f4815637de
--- /dev/null
+++ b/scripts/atomic/fallbacks/add_negative
@@ -0,0 +1,16 @@
+cat <<EOF
+/**
+ * ${atomic}_add_negative - add and test if negative
+ * @i: integer value to add
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically adds @i to @v and returns true
+ * if the result is negative, or false when
+ * result is greater than or equal to zero.
+ */
+static inline bool
+${atomic}_add_negative(${int} i, ${atomic}_t *v)
+{
+ return ${atomic}_add_return(i, v) < 0;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/add_unless b/scripts/atomic/fallbacks/add_unless
new file mode 100755
index 000000000000..792533885fbf
--- /dev/null
+++ b/scripts/atomic/fallbacks/add_unless
@@ -0,0 +1,16 @@
+cat << EOF
+/**
+ * ${atomic}_add_unless - add unless the number is already a given value
+ * @v: pointer of type ${atomic}_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, if @v was not already @u.
+ * Returns true if the addition was done.
+ */
+static inline bool
+${atomic}_add_unless(${atomic}_t *v, ${int} a, ${int} u)
+{
+ return ${atomic}_fetch_add_unless(v, a, u) != u;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/andnot b/scripts/atomic/fallbacks/andnot
new file mode 100755
index 000000000000..9f3a3216b5e3
--- /dev/null
+++ b/scripts/atomic/fallbacks/andnot
@@ -0,0 +1,7 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_${pfx}andnot${sfx}${order}(${int} i, ${atomic}_t *v)
+{
+ ${retstmt}${atomic}_${pfx}and${sfx}${order}(~i, v);
+}
+EOF
diff --git a/scripts/atomic/fallbacks/dec b/scripts/atomic/fallbacks/dec
new file mode 100755
index 000000000000..10bbc82be31d
--- /dev/null
+++ b/scripts/atomic/fallbacks/dec
@@ -0,0 +1,7 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_${pfx}dec${sfx}${order}(${atomic}_t *v)
+{
+ ${retstmt}${atomic}_${pfx}sub${sfx}${order}(1, v);
+}
+EOF
diff --git a/scripts/atomic/fallbacks/dec_and_test b/scripts/atomic/fallbacks/dec_and_test
new file mode 100755
index 000000000000..0ce7103b3df2
--- /dev/null
+++ b/scripts/atomic/fallbacks/dec_and_test
@@ -0,0 +1,15 @@
+cat <<EOF
+/**
+ * ${atomic}_dec_and_test - decrement and test
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically decrements @v by 1 and
+ * returns true if the result is 0, or false for all other
+ * cases.
+ */
+static inline bool
+${atomic}_dec_and_test(${atomic}_t *v)
+{
+ return ${atomic}_dec_return(v) == 0;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/dec_if_positive b/scripts/atomic/fallbacks/dec_if_positive
new file mode 100755
index 000000000000..c52eacec43c8
--- /dev/null
+++ b/scripts/atomic/fallbacks/dec_if_positive
@@ -0,0 +1,15 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_dec_if_positive(${atomic}_t *v)
+{
+ ${int} dec, c = ${atomic}_read(v);
+
+ do {
+ dec = c - 1;
+ if (unlikely(dec < 0))
+ break;
+ } while (!${atomic}_try_cmpxchg(v, &c, dec));
+
+ return dec;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/dec_unless_positive b/scripts/atomic/fallbacks/dec_unless_positive
new file mode 100755
index 000000000000..8a2578f14268
--- /dev/null
+++ b/scripts/atomic/fallbacks/dec_unless_positive
@@ -0,0 +1,14 @@
+cat <<EOF
+static inline bool
+${atomic}_dec_unless_positive(${atomic}_t *v)
+{
+ ${int} c = ${atomic}_read(v);
+
+ do {
+ if (unlikely(c > 0))
+ return false;
+ } while (!${atomic}_try_cmpxchg(v, &c, c - 1));
+
+ return true;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/fence b/scripts/atomic/fallbacks/fence
new file mode 100755
index 000000000000..82f68fa6931a
--- /dev/null
+++ b/scripts/atomic/fallbacks/fence
@@ -0,0 +1,11 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_${pfx}${name}${sfx}(${params})
+{
+ ${ret} ret;
+ __atomic_pre_full_fence();
+ ret = ${atomic}_${pfx}${name}${sfx}_relaxed(${args});
+ __atomic_post_full_fence();
+ return ret;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/fetch_add_unless b/scripts/atomic/fallbacks/fetch_add_unless
new file mode 100755
index 000000000000..d2c091db7eae
--- /dev/null
+++ b/scripts/atomic/fallbacks/fetch_add_unless
@@ -0,0 +1,23 @@
+cat << EOF
+/**
+ * ${atomic}_fetch_add_unless - add unless the number is already a given value
+ * @v: pointer of type ${atomic}_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, so long as @v was not already @u.
+ * Returns original value of @v
+ */
+static inline ${int}
+${atomic}_fetch_add_unless(${atomic}_t *v, ${int} a, ${int} u)
+{
+ ${int} c = ${atomic}_read(v);
+
+ do {
+ if (unlikely(c == u))
+ break;
+ } while (!${atomic}_try_cmpxchg(v, &c, c + a));
+
+ return c;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/inc b/scripts/atomic/fallbacks/inc
new file mode 100755
index 000000000000..f866b3ad2353
--- /dev/null
+++ b/scripts/atomic/fallbacks/inc
@@ -0,0 +1,7 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_${pfx}inc${sfx}${order}(${atomic}_t *v)
+{
+ ${retstmt}${atomic}_${pfx}add${sfx}${order}(1, v);
+}
+EOF
diff --git a/scripts/atomic/fallbacks/inc_and_test b/scripts/atomic/fallbacks/inc_and_test
new file mode 100755
index 000000000000..4e2068869f7e
--- /dev/null
+++ b/scripts/atomic/fallbacks/inc_and_test
@@ -0,0 +1,15 @@
+cat <<EOF
+/**
+ * ${atomic}_inc_and_test - increment and test
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically increments @v by 1
+ * and returns true if the result is zero, or false for all
+ * other cases.
+ */
+static inline bool
+${atomic}_inc_and_test(${atomic}_t *v)
+{
+ return ${atomic}_inc_return(v) == 0;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/inc_not_zero b/scripts/atomic/fallbacks/inc_not_zero
new file mode 100755
index 000000000000..a7c45c8d107c
--- /dev/null
+++ b/scripts/atomic/fallbacks/inc_not_zero
@@ -0,0 +1,14 @@
+cat <<EOF
+/**
+ * ${atomic}_inc_not_zero - increment unless the number is zero
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically increments @v by 1, if @v is non-zero.
+ * Returns true if the increment was done.
+ */
+static inline bool
+${atomic}_inc_not_zero(${atomic}_t *v)
+{
+ return ${atomic}_add_unless(v, 1, 0);
+}
+EOF
diff --git a/scripts/atomic/fallbacks/inc_unless_negative b/scripts/atomic/fallbacks/inc_unless_negative
new file mode 100755
index 000000000000..0c266e71dbd4
--- /dev/null
+++ b/scripts/atomic/fallbacks/inc_unless_negative
@@ -0,0 +1,14 @@
+cat <<EOF
+static inline bool
+${atomic}_inc_unless_negative(${atomic}_t *v)
+{
+ ${int} c = ${atomic}_read(v);
+
+ do {
+ if (unlikely(c < 0))
+ return false;
+ } while (!${atomic}_try_cmpxchg(v, &c, c + 1));
+
+ return true;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/read_acquire b/scripts/atomic/fallbacks/read_acquire
new file mode 100755
index 000000000000..75863b5203f7
--- /dev/null
+++ b/scripts/atomic/fallbacks/read_acquire
@@ -0,0 +1,7 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_read_acquire(const ${atomic}_t *v)
+{
+ return smp_load_acquire(&(v)->counter);
+}
+EOF
diff --git a/scripts/atomic/fallbacks/release b/scripts/atomic/fallbacks/release
new file mode 100755
index 000000000000..3f628a3802d9
--- /dev/null
+++ b/scripts/atomic/fallbacks/release
@@ -0,0 +1,8 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_${pfx}${name}${sfx}_release(${params})
+{
+ __atomic_release_fence();
+ ${retstmt}${atomic}_${pfx}${name}${sfx}_relaxed(${args});
+}
+EOF
diff --git a/scripts/atomic/fallbacks/set_release b/scripts/atomic/fallbacks/set_release
new file mode 100755
index 000000000000..45bb5e0cfc08
--- /dev/null
+++ b/scripts/atomic/fallbacks/set_release
@@ -0,0 +1,7 @@
+cat <<EOF
+static inline void
+${atomic}_set_release(${atomic}_t *v, ${int} i)
+{
+ smp_store_release(&(v)->counter, i);
+}
+EOF
diff --git a/scripts/atomic/fallbacks/sub_and_test b/scripts/atomic/fallbacks/sub_and_test
new file mode 100755
index 000000000000..289ef17a2d7a
--- /dev/null
+++ b/scripts/atomic/fallbacks/sub_and_test
@@ -0,0 +1,16 @@
+cat <<EOF
+/**
+ * ${atomic}_sub_and_test - subtract value from variable and test result
+ * @i: integer value to subtract
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically subtracts @i from @v and returns
+ * true if the result is zero, or false for all
+ * other cases.
+ */
+static inline bool
+${atomic}_sub_and_test(${int} i, ${atomic}_t *v)
+{
+ return ${atomic}_sub_return(i, v) == 0;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/try_cmpxchg b/scripts/atomic/fallbacks/try_cmpxchg
new file mode 100755
index 000000000000..4ed85e2f5378
--- /dev/null
+++ b/scripts/atomic/fallbacks/try_cmpxchg
@@ -0,0 +1,11 @@
+cat <<EOF
+static inline bool
+${atomic}_try_cmpxchg${order}(${atomic}_t *v, ${int} *old, ${int} new)
+{
+ ${int} r, o = *old;
+ r = ${atomic}_cmpxchg${order}(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+EOF
diff --git a/scripts/atomic/gen-atomic-fallback.sh b/scripts/atomic/gen-atomic-fallback.sh
new file mode 100755
index 000000000000..1bd7c1707633
--- /dev/null
+++ b/scripts/atomic/gen-atomic-fallback.sh
@@ -0,0 +1,181 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+ATOMICDIR=$(dirname $0)
+
+. ${ATOMICDIR}/atomic-tbl.sh
+
+#gen_template_fallback(template, meta, pfx, name, sfx, order, atomic, int, args...)
+gen_template_fallback()
+{
+ local template="$1"; shift
+ local meta="$1"; shift
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local order="$1"; shift
+ local atomic="$1"; shift
+ local int="$1"; shift
+
+ local atomicname="${atomic}_${pfx}${name}${sfx}${order}"
+
+ local ret="$(gen_ret_type "${meta}" "${int}")"
+ local retstmt="$(gen_ret_stmt "${meta}")"
+ local params="$(gen_params "${int}" "${atomic}" "$@")"
+ local args="$(gen_args "$@")"
+
+ if [ ! -z "${template}" ]; then
+ printf "#ifndef ${atomicname}\n"
+ . ${template}
+ printf "#define ${atomicname} ${atomicname}\n"
+ printf "#endif\n\n"
+ fi
+}
+
+#gen_proto_fallback(meta, pfx, name, sfx, order, atomic, int, args...)
+gen_proto_fallback()
+{
+ local meta="$1"; shift
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local order="$1"; shift
+
+ local tmpl="$(find_fallback_template "${pfx}" "${name}" "${sfx}" "${order}")"
+ gen_template_fallback "${tmpl}" "${meta}" "${pfx}" "${name}" "${sfx}" "${order}" "$@"
+}
+
+#gen_basic_fallbacks(basename)
+gen_basic_fallbacks()
+{
+ local basename="$1"; shift
+cat << EOF
+#define ${basename}_acquire ${basename}
+#define ${basename}_release ${basename}
+#define ${basename}_relaxed ${basename}
+EOF
+}
+
+#gen_proto_order_variants(meta, pfx, name, sfx, atomic, int, args...)
+gen_proto_order_variants()
+{
+ local meta="$1"; shift
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local atomic="$1"
+
+ local basename="${atomic}_${pfx}${name}${sfx}"
+
+ local template="$(find_fallback_template "${pfx}" "${name}" "${sfx}" "${order}")"
+
+ # If we don't have relaxed atomics, then we don't bother with ordering fallbacks
+ # read_acquire and set_release need to be templated, though
+ if ! meta_has_relaxed "${meta}"; then
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "" "$@"
+
+ if meta_has_acquire "${meta}"; then
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_acquire" "$@"
+ fi
+
+ if meta_has_release "${meta}"; then
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_release" "$@"
+ fi
+
+ return
+ fi
+
+ printf "#ifndef ${basename}_relaxed\n"
+
+ if [ ! -z "${template}" ]; then
+ printf "#ifdef ${basename}\n"
+ fi
+
+ gen_basic_fallbacks "${basename}"
+
+ if [ ! -z "${template}" ]; then
+ printf "#endif /* ${atomic}_${pfx}${name}${sfx} */\n\n"
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "" "$@"
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_acquire" "$@"
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_release" "$@"
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_relaxed" "$@"
+ fi
+
+ printf "#else /* ${basename}_relaxed */\n\n"
+
+ gen_template_fallback "${ATOMICDIR}/fallbacks/acquire" "${meta}" "${pfx}" "${name}" "${sfx}" "_acquire" "$@"
+ gen_template_fallback "${ATOMICDIR}/fallbacks/release" "${meta}" "${pfx}" "${name}" "${sfx}" "_release" "$@"
+ gen_template_fallback "${ATOMICDIR}/fallbacks/fence" "${meta}" "${pfx}" "${name}" "${sfx}" "" "$@"
+
+ printf "#endif /* ${basename}_relaxed */\n\n"
+}
+
+gen_xchg_fallbacks()
+{
+ local xchg="$1"; shift
+cat <<EOF
+#ifndef ${xchg}_relaxed
+#define ${xchg}_relaxed ${xchg}
+#define ${xchg}_acquire ${xchg}
+#define ${xchg}_release ${xchg}
+#else /* ${xchg}_relaxed */
+
+#ifndef ${xchg}_acquire
+#define ${xchg}_acquire(...) \\
+ __atomic_op_acquire(${xchg}, __VA_ARGS__)
+#endif
+
+#ifndef ${xchg}_release
+#define ${xchg}_release(...) \\
+ __atomic_op_release(${xchg}, __VA_ARGS__)
+#endif
+
+#ifndef ${xchg}
+#define ${xchg}(...) \\
+ __atomic_op_fence(${xchg}, __VA_ARGS__)
+#endif
+
+#endif /* ${xchg}_relaxed */
+
+EOF
+}
+
+cat << EOF
+// SPDX-License-Identifier: GPL-2.0
+
+// Generated by $0
+// DO NOT MODIFY THIS FILE DIRECTLY
+
+#ifndef _LINUX_ATOMIC_FALLBACK_H
+#define _LINUX_ATOMIC_FALLBACK_H
+
+EOF
+
+for xchg in "xchg" "cmpxchg" "cmpxchg64"; do
+ gen_xchg_fallbacks "${xchg}"
+done
+
+grep '^[a-z]' "$1" | while read name meta args; do
+ gen_proto "${meta}" "${name}" "atomic" "int" ${args}
+done
+
+cat <<EOF
+#define atomic_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
+#define atomic_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
+
+#ifdef CONFIG_GENERIC_ATOMIC64
+#include <asm-generic/atomic64.h>
+#endif
+
+EOF
+
+grep '^[a-z]' "$1" | while read name meta args; do
+ gen_proto "${meta}" "${name}" "atomic64" "s64" ${args}
+done
+
+cat <<EOF
+#define atomic64_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
+#define atomic64_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
+
+#endif /* _LINUX_ATOMIC_FALLBACK_H */
+EOF
diff --git a/scripts/atomic/gen-atomic-instrumented.sh b/scripts/atomic/gen-atomic-instrumented.sh
new file mode 100755
index 000000000000..e09812372b17
--- /dev/null
+++ b/scripts/atomic/gen-atomic-instrumented.sh
@@ -0,0 +1,182 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+ATOMICDIR=$(dirname $0)
+
+. ${ATOMICDIR}/atomic-tbl.sh
+
+#gen_param_check(arg)
+gen_param_check()
+{
+ local arg="$1"; shift
+ local type="${arg%%:*}"
+ local name="$(gen_param_name "${arg}")"
+ local rw="write"
+
+ case "${type#c}" in
+ i) return;;
+ esac
+
+ # We don't write to constant parameters
+ [ ${type#c} != ${type} ] && rw="read"
+
+ printf "\tkasan_check_${rw}(${name}, sizeof(*${name}));\n"
+}
+
+#gen_param_check(arg...)
+gen_params_checks()
+{
+ while [ "$#" -gt 0 ]; do
+ gen_param_check "$1"
+ shift;
+ done
+}
+
+# gen_guard(meta, atomic, pfx, name, sfx, order)
+gen_guard()
+{
+ local meta="$1"; shift
+ local atomic="$1"; shift
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local order="$1"; shift
+
+ local atomicname="arch_${atomic}_${pfx}${name}${sfx}${order}"
+
+ local template="$(find_fallback_template "${pfx}" "${name}" "${sfx}" "${order}")"
+
+ # We definitely need a preprocessor symbol for this atomic if it is an
+ # ordering variant, or if there's a generic fallback.
+ if [ ! -z "${order}" ] || [ ! -z "${template}" ]; then
+ printf "defined(${atomicname})"
+ return
+ fi
+
+ # If this is a base variant, but a relaxed variant *may* exist, then we
+ # only have a preprocessor symbol if the relaxed variant isn't defined
+ if meta_has_relaxed "${meta}"; then
+ printf "!defined(${atomicname}_relaxed) || defined(${atomicname})"
+ fi
+}
+
+#gen_proto_order_variant(meta, pfx, name, sfx, order, atomic, int, arg...)
+gen_proto_order_variant()
+{
+ local meta="$1"; shift
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local order="$1"; shift
+ local atomic="$1"; shift
+ local int="$1"; shift
+
+ local atomicname="${atomic}_${pfx}${name}${sfx}${order}"
+
+ local guard="$(gen_guard "${meta}" "${atomic}" "${pfx}" "${name}" "${sfx}" "${order}")"
+
+ local ret="$(gen_ret_type "${meta}" "${int}")"
+ local params="$(gen_params "${int}" "${atomic}" "$@")"
+ local checks="$(gen_params_checks "$@")"
+ local args="$(gen_args "$@")"
+ local retstmt="$(gen_ret_stmt "${meta}")"
+
+ [ ! -z "${guard}" ] && printf "#if ${guard}\n"
+
+cat <<EOF
+static inline ${ret}
+${atomicname}(${params})
+{
+${checks}
+ ${retstmt}arch_${atomicname}(${args});
+}
+#define ${atomicname} ${atomicname}
+EOF
+
+ [ ! -z "${guard}" ] && printf "#endif\n"
+
+ printf "\n"
+}
+
+gen_xchg()
+{
+ local xchg="$1"; shift
+ local mult="$1"; shift
+
+cat <<EOF
+#define ${xchg}(ptr, ...) \\
+({ \\
+ typeof(ptr) __ai_ptr = (ptr); \\
+ kasan_check_write(__ai_ptr, ${mult}sizeof(*__ai_ptr)); \\
+ arch_${xchg}(__ai_ptr, __VA_ARGS__); \\
+})
+EOF
+}
+
+gen_optional_xchg()
+{
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local guard="defined(arch_${name}${sfx})"
+
+ [ -z "${sfx}" ] && guard="!defined(arch_${name}_relaxed) || defined(arch_${name})"
+
+ printf "#if ${guard}\n"
+ gen_xchg "${name}${sfx}" ""
+ printf "#endif\n\n"
+}
+
+cat << EOF
+// SPDX-License-Identifier: GPL-2.0
+
+// Generated by $0
+// DO NOT MODIFY THIS FILE DIRECTLY
+
+/*
+ * This file provides wrappers with KASAN instrumentation for atomic operations.
+ * To use this functionality an arch's atomic.h file needs to define all
+ * atomic operations with arch_ prefix (e.g. arch_atomic_read()) and include
+ * this file at the end. This file provides atomic_read() that forwards to
+ * arch_atomic_read() for actual atomic operation.
+ * Note: if an arch atomic operation is implemented by means of other atomic
+ * operations (e.g. atomic_read()/atomic_cmpxchg() loop), then it needs to use
+ * arch_ variants (i.e. arch_atomic_read()/arch_atomic_cmpxchg()) to avoid
+ * double instrumentation.
+ */
+#ifndef _ASM_GENERIC_ATOMIC_INSTRUMENTED_H
+#define _ASM_GENERIC_ATOMIC_INSTRUMENTED_H
+
+#include <linux/build_bug.h>
+#include <linux/kasan-checks.h>
+
+EOF
+
+grep '^[a-z]' "$1" | while read name meta args; do
+ gen_proto "${meta}" "${name}" "atomic" "int" ${args}
+done
+
+grep '^[a-z]' "$1" | while read name meta args; do
+ gen_proto "${meta}" "${name}" "atomic64" "s64" ${args}
+done
+
+for xchg in "xchg" "cmpxchg" "cmpxchg64"; do
+ for order in "" "_acquire" "_release" "_relaxed"; do
+ gen_optional_xchg "${xchg}" "${order}"
+ done
+done
+
+for xchg in "cmpxchg_local" "cmpxchg64_local" "sync_cmpxchg"; do
+ gen_xchg "${xchg}" ""
+ printf "\n"
+done
+
+gen_xchg "cmpxchg_double" "2 * "
+
+printf "\n\n"
+
+gen_xchg "cmpxchg_double_local" "2 * "
+
+cat <<EOF
+
+#endif /* _ASM_GENERIC_ATOMIC_INSTRUMENTED_H */
+EOF
diff --git a/scripts/atomic/gen-atomic-long.sh b/scripts/atomic/gen-atomic-long.sh
new file mode 100755
index 000000000000..c240a7231b2e
--- /dev/null
+++ b/scripts/atomic/gen-atomic-long.sh
@@ -0,0 +1,101 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+ATOMICDIR=$(dirname $0)
+
+. ${ATOMICDIR}/atomic-tbl.sh
+
+#gen_cast(arg, int, atomic)
+gen_cast()
+{
+ local arg="$1"; shift
+ local int="$1"; shift
+ local atomic="$1"; shift
+
+ [ "${arg%%:*}" = "p" ] || return
+
+ printf "($(gen_param_type "${arg}" "${int}" "${atomic}"))"
+}
+
+#gen_args_cast(int, atomic, arg...)
+gen_args_cast()
+{
+ local int="$1"; shift
+ local atomic="$1"; shift
+
+ while [ "$#" -gt 0 ]; do
+ local cast="$(gen_cast "$1" "${int}" "${atomic}")"
+ local arg="$(gen_param_name "$1")"
+ printf "${cast}${arg}"
+ [ "$#" -gt 1 ] && printf ", "
+ shift;
+ done
+}
+
+#gen_proto_order_variant(meta, pfx, name, sfx, order, atomic, int, arg...)
+gen_proto_order_variant()
+{
+ local meta="$1"; shift
+ local name="$1$2$3$4"; shift; shift; shift; shift
+ local atomic="$1"; shift
+ local int="$1"; shift
+
+ local ret="$(gen_ret_type "${meta}" "long")"
+ local params="$(gen_params "long" "atomic_long" "$@")"
+ local argscast="$(gen_args_cast "${int}" "${atomic}" "$@")"
+ local retstmt="$(gen_ret_stmt "${meta}")"
+
+cat <<EOF
+static inline ${ret}
+atomic_long_${name}(${params})
+{
+ ${retstmt}${atomic}_${name}(${argscast});
+}
+
+EOF
+}
+
+cat << EOF
+// SPDX-License-Identifier: GPL-2.0
+
+// Generated by $0
+// DO NOT MODIFY THIS FILE DIRECTLY
+
+#ifndef _ASM_GENERIC_ATOMIC_LONG_H
+#define _ASM_GENERIC_ATOMIC_LONG_H
+
+#include <asm/types.h>
+
+#ifdef CONFIG_64BIT
+typedef atomic64_t atomic_long_t;
+#define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i)
+#define atomic_long_cond_read_acquire atomic64_cond_read_acquire
+#define atomic_long_cond_read_relaxed atomic64_cond_read_relaxed
+#else
+typedef atomic_t atomic_long_t;
+#define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
+#define atomic_long_cond_read_acquire atomic_cond_read_acquire
+#define atomic_long_cond_read_relaxed atomic_cond_read_relaxed
+#endif
+
+#ifdef CONFIG_64BIT
+
+EOF
+
+grep '^[a-z]' "$1" | while read name meta args; do
+ gen_proto "${meta}" "${name}" "atomic64" "s64" ${args}
+done
+
+cat <<EOF
+#else /* CONFIG_64BIT */
+
+EOF
+
+grep '^[a-z]' "$1" | while read name meta args; do
+ gen_proto "${meta}" "${name}" "atomic" "int" ${args}
+done
+
+cat <<EOF
+#endif /* CONFIG_64BIT */
+#endif /* _ASM_GENERIC_ATOMIC_LONG_H */
+EOF