Now that we have fetch_add() we can stop using add_return() - val. Cc: Jason Low <jason.low2@xxxxxxx> Cc: Waiman Long <waiman.long@xxxxxxx> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> --- kernel/locking/rwsem-xadd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/kernel/locking/rwsem-xadd.c +++ b/kernel/locking/rwsem-xadd.c @@ -153,7 +153,7 @@ __rwsem_mark_wake(struct rw_semaphore *s if (wake_type != RWSEM_WAKE_READ_OWNED) { adjustment = RWSEM_ACTIVE_READ_BIAS; try_reader_grant: - oldcount = atomic_long_add_return(adjustment, &sem->count) - adjustment; + oldcount = atomic_long_fetch_add(adjustment, &sem->count); if (unlikely(oldcount < RWSEM_WAITING_BIAS)) { /* -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html