Messages in this thread Patch in this message | | | From | Will Deacon <> | Subject | [PATCH] lockref: include mutex.h rather than reinvent arch_mutex_cpu_relax | Date | Wed, 27 Nov 2013 13:52:53 +0000 |
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arch_mutex_cpu_relax is already conditionally defined in mutex.h, so simply include that header rather than replicate the code here.
Signed-off-by: Will Deacon <will.deacon@arm.com> --- lib/lockref.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/lib/lockref.c b/lib/lockref.c index d2b123f8456b..f07a40d33871 100644 --- a/lib/lockref.c +++ b/lib/lockref.c @@ -1,5 +1,6 @@ #include <linux/export.h> #include <linux/lockref.h> +#include <linux/mutex.h> #if USE_CMPXCHG_LOCKREF @@ -12,14 +13,6 @@ #endif /* - * Allow architectures to override the default cpu_relax() within CMPXCHG_LOOP. - * This is useful for architectures with an expensive cpu_relax(). - */ -#ifndef arch_mutex_cpu_relax -# define arch_mutex_cpu_relax() cpu_relax() -#endif - -/* * Note that the "cmpxchg()" reloads the "old" value for the * failure case. */ -- 1.8.2.2
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