Messages in this thread Patch in this message | | | Date | Thu, 1 Mar 2012 18:09:53 +1100 | From | Anton Blanchard <> | Subject | [PATCH 1/2] atomic: Allow atomic_inc_not_zero to be overridden |
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We want to implement a ppc64 specific version of atomic_inc_not_zero so wrap it in an ifdef to allow it to be overridden.
Signed-off-by: Anton Blanchard <anton@samba.org> ---
Index: linux-build/include/linux/atomic.h =================================================================== --- linux-build.orig/include/linux/atomic.h 2012-02-11 14:59:23.284714257 +1100 +++ linux-build/include/linux/atomic.h 2012-02-11 15:01:14.894764555 +1100 @@ -24,7 +24,9 @@ static inline int atomic_add_unless(atom * Atomically increments @v by 1, so long as @v is non-zero. * Returns non-zero if @v was non-zero, and zero otherwise. */ +#ifndef atomic_inc_not_zero #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) +#endif /** * atomic_inc_not_zero_hint - increment if not null
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