[Bug 100367] [BAT][SKL] igt at kms_pipe_crc_basic@suspend-read-crc-pipe-a fails on CI

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100367

--- Comment #6 from krisman at collabora.co.uk ---
(In reply to Mika Kahola from comment #5)
> Created attachment 130942 [details] [review]
> spinlock shuffle
> 
> This maybe a bit long shot but maybe give it go with this patch where we
> shuffle around the spinlock acquiring/releasing. Failure rate is quite low
> so we need to give this a long run.

copy_to_user may sleep, so you can't hold the spinlock.. from a quick look, not
sure it will help for testing either, I think this patch will deadlock the
interruption handler when adding a new crc entry..

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