On Wed, Jul 01, 2020 at 01:57:20PM +0800, [email protected] wrote: > From: Zqiang <[email protected]> > > Remove WQ_FLAG_EXCLUSIVE from "wq_entry.flags", using function > __add_wait_queue_entry_tail_exclusive substitution. > > Signed-off-by: Zqiang <[email protected]> > --- > kernel/locking/percpu-rwsem.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/kernel/locking/percpu-rwsem.c b/kernel/locking/percpu-rwsem.c > index 8bbafe3e5203..48e1c55c2e59 100644 > --- a/kernel/locking/percpu-rwsem.c > +++ b/kernel/locking/percpu-rwsem.c > @@ -148,8 +148,8 @@ static void percpu_rwsem_wait(struct percpu_rw_semaphore > *sem, bool reader) > */ > wait = !__percpu_rwsem_trylock(sem, reader); > if (wait) { > - wq_entry.flags |= WQ_FLAG_EXCLUSIVE | reader * WQ_FLAG_CUSTOM; > - __add_wait_queue_entry_tail(&sem->waiters, &wq_entry); > + wq_entry.flags |= reader * WQ_FLAG_CUSTOM; > + __add_wait_queue_entry_tail_exclusive(&sem->waiters, &wq_entry); > } > spin_unlock_irq(&sem->waiters.lock);
Seems straightforward enough: Acked-by: Will Deacon <[email protected]> Will
