Re: 5.13-rt1 + KVM = WARNING: at fs/eventfd.c:74 eventfd_signal()

From: Thomas Gleixner
Date: Wed Jul 21 2021 - 03:30:41 EST


On Wed, Jul 21 2021 at 15:04, Hillf Danton wrote:
>
> But the preempting waker can not make sense without the waiter who is bloody
> special. Why is it so in the first place? Or it is not at all but the race
> existing from Monday to Friday.

See the large comment in eventfd_poll().