Re: [PATCH 1/1] epoll: call final ep_events_available() check under the lock

[Roman Penyaev]

On 2020-05-05 22:03, Andrew Morton wrote:
> On Tue, 05 May 2020 10:42:05 +0200 Roman Penyaev <rpenyaev@xxxxxxx> 
> wrote:
>
> > May I ask you to remove "epoll: ensure ep_poll() doesn't miss wakeup
> > events" from your -mm queue? Jason lately found out that the patch
> > does not fully solve the problem and this one patch is a second
> > attempt to do things correctly in a different way (namely to do
> > the final check under the lock). Previous changes are not needed.
>
> Where do we stand with Khazhismel's "eventpoll: fix missing wakeup for
> ovflist in ep_poll_callback"?
>
> http://lkml.kernel.org/r/20200424190039.192373-1-khazhy@xxxxxxxxxx

This one from Khazhismel is needed. Others are complementary to the
Khazhismel's, except the "epoll: ensure ep_poll() doesn't miss
wakeup events", which you've already removed.

Thanks.

--
Roman