[Intel-gfx] [PATCH] drm/i915: Serialize insertion into the file->mm.request_list

[Matthew Auld]

On Tue, 20 Aug 2019 at 09:26, Chris Wilson <chris at chris-wilson.co.uk> wrote:
>
> Currently, we remove the from per-file request list for throttling and
> retirement under a dedicated spinlock, but insertion is governed by
> struct_mutex. This needs to be the same lock so that the
> retirement/insertion of neighbouring requests (at the tail) doesn't
> break the list.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Matthew Auld <matthew.auld at intel.com>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>