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authorThomas Gleixner <tglx@linutronix.de>2007-05-23 13:58:19 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-23 20:14:15 -0700
commit03491c92932b8d2dab1bb298e0122ff6d39680af (patch)
tree96db84a9e5c502b7d6890d1af6c94c3f96e83087
parent98d8256739f2c6c636fa2da359f5949c739ae839 (diff)
downloadlinux-03491c92932b8d2dab1bb298e0122ff6d39680af.tar.gz
i386: fix early usage of atomic_add_return and local_add_return on real i386
The check (boot_cpu_data.x86 == 3) in atomic_add_return() and local_add_return() fails, when those operations are used before boot_cpu_data is filled in. Change the check to (boot_cpu_data.x86 <= 3) to fix this. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/asm-i386/atomic.h2
-rw-r--r--include/asm-i386/local.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-i386/atomic.h b/include/asm-i386/atomic.h
index 0baa2f89463..437aac80171 100644
--- a/include/asm-i386/atomic.h
+++ b/include/asm-i386/atomic.h
@@ -182,7 +182,7 @@ static __inline__ int atomic_add_return(int i, atomic_t *v)
int __i;
#ifdef CONFIG_M386
unsigned long flags;
- if(unlikely(boot_cpu_data.x86==3))
+ if(unlikely(boot_cpu_data.x86 <= 3))
goto no_xadd;
#endif
/* Modern 486+ processor */
diff --git a/include/asm-i386/local.h b/include/asm-i386/local.h
index e13d3e98823..6e85975b9ed 100644
--- a/include/asm-i386/local.h
+++ b/include/asm-i386/local.h
@@ -135,7 +135,7 @@ static __inline__ long local_add_return(long i, local_t *l)
long __i;
#ifdef CONFIG_M386
unsigned long flags;
- if(unlikely(boot_cpu_data.x86==3))
+ if(unlikely(boot_cpu_data.x86 <= 3))
goto no_xadd;
#endif
/* Modern 486+ processor */