diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/locking/rwsem.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c index acde5d6f1254..b077b1b2d4b3 100644 --- a/kernel/locking/rwsem.c +++ b/kernel/locking/rwsem.c @@ -977,12 +977,11 @@ queue: if (list_empty(&sem->wait_list)) { /* * In case the wait queue is empty and the lock isn't owned - * by a writer or has the handoff bit set, this reader can - * exit the slowpath and return immediately as its - * RWSEM_READER_BIAS has already been set in the count. + * by a writer, this reader can exit the slowpath and return + * immediately as its RWSEM_READER_BIAS has already been set + * in the count. */ - if (!(atomic_long_read(&sem->count) & - (RWSEM_WRITER_MASK | RWSEM_FLAG_HANDOFF))) { + if (!(atomic_long_read(&sem->count) & RWSEM_WRITER_MASK)) { /* Provide lock ACQUIRE */ smp_acquire__after_ctrl_dep(); raw_spin_unlock_irq(&sem->wait_lock); |