Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=091b76d6aa788d8294caa2895cea1013f3eff7da Commit: 091b76d6aa788d8294caa2895cea1013f3eff7da Parent: 903be1c56444615342ac5f1fc103e2ec11043714 Author: Greg Ungerer <[EMAIL PROTECTED]> AuthorDate: Thu Feb 14 19:31:25 2008 -0800 Committer: Linus Torvalds <[EMAIL PROTECTED]> CommitDate: Thu Feb 14 20:58:05 2008 -0800
m68knommu: avoid unneccessary use of xchg() in set_mb() Avoid unneccessary use of xchg() in set_mb(). Signed-off-by: Greg Ungerer <[EMAIL PROTECTED]> Signed-off-by: Andrew Morton <[EMAIL PROTECTED]> Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]> --- include/asm-m68knommu/system.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/include/asm-m68knommu/system.h b/include/asm-m68knommu/system.h index 039ab3f..64c6443 100644 --- a/include/asm-m68knommu/system.h +++ b/include/asm-m68knommu/system.h @@ -104,7 +104,7 @@ asmlinkage void resume(void); #define mb() asm volatile ("" : : :"memory") #define rmb() asm volatile ("" : : :"memory") #define wmb() asm volatile ("" : : :"memory") -#define set_mb(var, value) do { xchg(&var, value); } while (0) +#define set_mb(var, value) ({ (var) = (value); wmb(); }) #ifdef CONFIG_SMP #define smp_mb() mb() - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html