diff options
Diffstat (limited to 'include/spinlock/fas.h')
| -rw-r--r-- | include/spinlock/fas.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/spinlock/fas.h b/include/spinlock/fas.h index 4e6c123..bfe91fe 100644 --- a/include/spinlock/fas.h +++ b/include/spinlock/fas.h @@ -77,10 +77,11 @@ CK_CC_INLINE static void ck_spinlock_fas_lock(struct ck_spinlock_fas *lock) { - while (ck_pr_fas_uint(&lock->value, true) == true) { - while (ck_pr_load_uint(&lock->value) == true) - ck_pr_stall(); - } + while (CK_CC_UNLIKELY(ck_pr_fas_uint(&lock->value, true) == true)) { + do { + ck_pr_stall(); + } while (ck_pr_load_uint(&lock->value) == true); + } ck_pr_fence_lock(); return; |