[PATCH 2/2] drm: Serialise multiple event readers

Thomas Hellstrom thellstrom at vmware.com
Thu Nov 26 03:19:43 PST 2015


On 11/25/2015 03:56 PM, Chris Wilson wrote:
> On Wed, Nov 25, 2015 at 03:44:04PM +0100, Thomas Hellstrom wrote:
>> Do you need to take the mutex around other event pullers as well?
> We would. I checked in drm/*.c for other users, but not the drivers.
> A quick git grep doesn't show any likely candidates, they appear to be
> private event lists.
>
>

Indeed. I was confused by some exynos code I didn't look at too
carefully. Also vmwgfx has some code to pull events, but it is not
called until release time so it can't race.

So for the series:
Reviewed-by: Thomas Hellstrom <thellstrom at vmware.com>
 
Thanks for fixing this.

/Thomas



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