* Jens Axboe <ax...@kernel.dk> wrote: > On 12/06/2017 12:15 AM, Omar Sandoval wrote: > > From: Omar Sandoval <osan...@fb.com> > > > > Commit 50816c48997a ("sched/wait: Standardize internal naming of > > wait-queue entries") changed the behavior of add_wait_queue() from > > inserting the wait entry at the head of the wait queue to the tail of > > the wait queue. That commit was a cleanup and didn't mention any > > functional changes so it was likely unintentional. This change in > > behavior theoretically breaks wait queues which mix exclusive and > > non-exclusive waiters, as non-exclusive waiters will not be woken up if > > they are queued behind enough exclusive waiters. > > Ingo? You've been silent on this issue, which is somewhat odd since > your cosmetic renaming patch introduced this behavioral change. > > Omar, should probably turn that into a proper Fixes: line as > well. > > > Signed-off-by: Omar Sandoval <osan...@fb.com> > > Reviewed-by: Jens Axboe <ax...@kernel.dk>
Thanks! I've applied the fix and will send it to Linus later today. Thanks, Ingo