On Mon, 5 Apr 2021 20:22:26 -0700 Davidlohr Bueso wrote:
> On Mon, 05 Apr 2021, Andrew Morton wrote:
>
> >Tricky. 339ddb53d373 was merged in December 2019. So do we backport
> >this fix? Could any userspace code be depending upon the
> >post-339ddb53d373 behavior?
>
> As with previous
On Mon, 05 Apr 2021, Andrew Morton wrote:
Tricky. 339ddb53d373 was merged in December 2019. So do we backport
this fix? Could any userspace code be depending upon the
post-339ddb53d373 behavior?
As with previous trouble caused by this commit, I vote for restoring the
behavior
backporting
On Mon, 5 Apr 2021 16:10:25 -0700 Davidlohr Bueso wrote:
> 339ddb53d373 (fs/epoll: remove unnecessary wakeups of nested epoll) changed
> the userspace visible behavior of exclusive waiters blocked on a common
> epoll descriptor upon a single event becoming ready. Previously, all tasks
> doing
339ddb53d373 (fs/epoll: remove unnecessary wakeups of nested epoll) changed
the userspace visible behavior of exclusive waiters blocked on a common
epoll descriptor upon a single event becoming ready. Previously, all tasks
doing epoll_wait would awake, and now only one is awoken, potentially
4 matches
Mail list logo
