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SubjectRe: [PATCH 1/1] epoll: call final ep_events_available() check under the lock
On 2020-05-05 22:03, Andrew Morton wrote:
> On Tue, 05 May 2020 10:42:05 +0200 Roman Penyaev <rpenyaev@suse.de>
> 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@google.com

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

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