This is example of HQ-spinlock enabled for futex hash-table bucket locks
(used in memcached testing scenario)
Signed-off-by: Anatoly Stepanov <stepanov.anatoly@huawei.com>
Co-authored-by: Stepanov Anatoly <stepanov.anatoly@huawei.com>
Co-authored-by: Fedorov Nikita <fedorov.nikita@h-partners.com>
---
kernel/futex/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/futex/core.c b/kernel/futex/core.c
index 125804fbb..05c6d1efc 100644
--- a/kernel/futex/core.c
+++ b/kernel/futex/core.c
@@ -1521,7 +1521,7 @@ static void futex_hash_bucket_init(struct futex_hash_bucket *fhb,
#endif
atomic_set(&fhb->waiters, 0);
plist_head_init(&fhb->chain);
- spin_lock_init(&fhb->lock);
+ spin_lock_init_hq(&fhb->lock);
}
#define FH_CUSTOM 0x01
--
2.34.1