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-rw-r--r--arch/arm64/Makefile15
1 files changed, 6 insertions, 9 deletions
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index b481b4a7c011..15402861bb59 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -51,7 +51,6 @@ endif
KBUILD_CFLAGS += -mgeneral-regs-only $(lseinstr) $(brokengasinst)
KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
-KBUILD_CFLAGS += $(call cc-option, -mpc-relative-literal-loads)
KBUILD_AFLAGS += $(lseinstr) $(brokengasinst)
KBUILD_CFLAGS += $(call cc-option,-mabi=lp64)
@@ -77,10 +76,6 @@ endif
CHECKFLAGS += -D__aarch64__ -m64
-ifeq ($(CONFIG_ARM64_MODULE_CMODEL_LARGE), y)
-KBUILD_CFLAGS_MODULE += -mcmodel=large
-endif
-
ifeq ($(CONFIG_ARM64_MODULE_PLTS),y)
KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/arm64/kernel/module.lds
endif
@@ -97,12 +92,14 @@ else
TEXT_OFFSET := 0x00080000
endif
-# KASAN_SHADOW_OFFSET = VA_START + (1 << (VA_BITS - 3)) - (1 << 61)
+# KASAN_SHADOW_OFFSET = VA_START + (1 << (VA_BITS - KASAN_SHADOW_SCALE_SHIFT))
+# - (1 << (64 - KASAN_SHADOW_SCALE_SHIFT))
# in 32-bit arithmetic
+KASAN_SHADOW_SCALE_SHIFT := 3
KASAN_SHADOW_OFFSET := $(shell printf "0x%08x00000000\n" $$(( \
- (0xffffffff & (-1 << ($(CONFIG_ARM64_VA_BITS) - 32))) \
- + (1 << ($(CONFIG_ARM64_VA_BITS) - 32 - 3)) \
- - (1 << (64 - 32 - 3)) )) )
+ (0xffffffff & (-1 << ($(CONFIG_ARM64_VA_BITS) - 32))) \
+ + (1 << ($(CONFIG_ARM64_VA_BITS) - 32 - $(KASAN_SHADOW_SCALE_SHIFT))) \
+ - (1 << (64 - 32 - $(KASAN_SHADOW_SCALE_SHIFT))) )) )
export TEXT_OFFSET GZFLAGS