Re: [PATCH 0/5] poll_wait: add mb() to fix theoretical race between waitqueue_active() and .poll()

Jens Axboe
2025-01-07T22:55:36Z

On 1/7/25 10:38 AM, Linus Torvalds wrote:
> On Tue, 7 Jan 2025 at 08:27, Oleg Nesterov <oleg@redhat.com> wrote:
>>
>> I misread fs/eventpoll.c, it has the same problem. And more __pollwait()-like
>> functions, for example p9_pollwait(). So 1/5 adds mb() into poll_wait(), not
>> into __pollwait().
>
> Ack on all five patches, looks sane to me.
>
> Christian, I'm assuming this goes through your tree? If not, holler,
> and I can take it directly.

Same, series looks good.

--
Jens Axboe