[Intel-gfx] [PATCH 20/66] drm/i915/gem: Separate the ww_mutex walker into its own list

Fri Jul 31 09:23:38 UTC 2020

On 7/15/20 1:51 PM, Chris Wilson wrote:
> In preparation for making eb_vma bigger and heavy to run in parallel,
> we need to stop applying an in-place swap() to reorder around ww_mutex
> deadlocks. Keep the array intact and reorder the locks using a dedicated
> list.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

Reviewed-by: Thomas Hellström <thomas.hellstrom at intel.com>