i386: fix early usage of atomic_add_return and local_add_return on re…

…al 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>
git-mirror · May 24, 2007 · 03491c9 · 03491c9
1 parent 98d8256
commit 03491c9
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git 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
@@ -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 */