diff options
Diffstat (limited to 'lib/lockref.c')
| -rw-r--r-- | lib/lockref.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/lib/lockref.c b/lib/lockref.c index af6e95d0bed6..f07a40d33871 100644 --- a/lib/lockref.c +++ b/lib/lockref.c @@ -1,7 +1,8 @@ #include <linux/export.h> #include <linux/lockref.h> +#include <linux/mutex.h> -#ifdef CONFIG_CMPXCHG_LOCKREF +#if USE_CMPXCHG_LOCKREF /* * Allow weakly-ordered memory architectures to provide barrier-less @@ -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. */ |