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SubjectRe: [PATCH] media: v4l2-mem2mem: always call poll_wait() on queues
On Tue, Nov 3, 2020 at 6:48 PM Hans Verkuil <hverkuil-cisco@xs4all.nl> wrote:
> There is one other place where this needs to be tested: testEvents() in
> v4l2-test-controls.cpp: currently this only tests select(), but there
> should be a second epoll test here as well that just tests EPOLLPRI.
>
> This would catch drivers that do not stream (i.e. no EPOLLIN/OUT) but
> that do have controls (so support EPOLLPRI).

IIUC this part should not require fixing - EPOLLPRI is behaving
properly, the bug is only with EPOLLIN/EPOLLOUT.

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