diff options
Diffstat (limited to 'sys/kern/kern_rmlock.c')
| -rw-r--r-- | sys/kern/kern_rmlock.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/sys/kern/kern_rmlock.c b/sys/kern/kern_rmlock.c index ef1920b..30400b1 100644 --- a/sys/kern/kern_rmlock.c +++ b/sys/kern/kern_rmlock.c @@ -65,10 +65,6 @@ __FBSDID("$FreeBSD$"); * does not seem very useful */ -static __inline void compiler_memory_barrier(void) { - __asm __volatile("":::"memory"); -} - static void assert_rm(const struct lock_object *lock, int what); static void lock_rm(struct lock_object *lock, int how); #ifdef KDTRACE_HOOKS @@ -353,7 +349,7 @@ _rm_rlock(struct rmlock *rm, struct rm_priotracker *tracker, int trylock) td->td_critnest++; /* critical_enter(); */ - compiler_memory_barrier(); + __compiler_membar(); pc = cpuid_to_pcpu[td->td_oncpu]; /* pcpu_find(td->td_oncpu); */ @@ -361,7 +357,7 @@ _rm_rlock(struct rmlock *rm, struct rm_priotracker *tracker, int trylock) sched_pin(); - compiler_memory_barrier(); + __compiler_membar(); td->td_critnest--; |
