diff options
Diffstat (limited to 'kernel/locking/mcs_spinlock.c')
| -rw-r--r-- | kernel/locking/mcs_spinlock.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/kernel/locking/mcs_spinlock.c b/kernel/locking/mcs_spinlock.c index be9ee1559fca..9887a905a762 100644 --- a/kernel/locking/mcs_spinlock.c +++ b/kernel/locking/mcs_spinlock.c @@ -1,6 +1,4 @@ - #include <linux/percpu.h> -#include <linux/mutex.h> #include <linux/sched.h> #include "mcs_spinlock.h" @@ -79,7 +77,7 @@ osq_wait_next(struct optimistic_spin_queue *lock, break; } - arch_mutex_cpu_relax(); + cpu_relax_lowlatency(); } return next; @@ -120,7 +118,7 @@ bool osq_lock(struct optimistic_spin_queue *lock) if (need_resched()) goto unqueue; - arch_mutex_cpu_relax(); + cpu_relax_lowlatency(); } return true; @@ -146,7 +144,7 @@ unqueue: if (smp_load_acquire(&node->locked)) return true; - arch_mutex_cpu_relax(); + cpu_relax_lowlatency(); /* * Or we race against a concurrent unqueue()'s step-B, in which |