renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-18 18:23:53 +08:00
Code

x86_64: x86_64 - Use non locked version for local_cmpxchg()

Browse Source 
local_cmpxchg() should not use any LOCK prefix.  This change probably
got lost in the move to cmpxchg.h.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mathieu Desnoyers 2007-07-22 11:12:37 +02:00 committed by Linus Torvalds
parent 20fe1d30e7
commit bdda1561ff
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/asm-x86_64/cmpxchg.h
View File

@ -128,7 +128,7 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr,
((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\
(unsigned long)(n),sizeof(*(ptr))))
#define cmpxchg_local(ptr,o,n)\
((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\
((__typeof__(*(ptr)))__cmpxchg_local((ptr),(unsigned long)(o),\
(unsigned long)(n),sizeof(*(ptr))))
#endif