[PATCH v2] drm/virtio: fix resource id creation race

[Gerd Hoffmann]

On Thu, Feb 20, 2020 at 02:53:19PM -0800, John Bates wrote:
> The previous code was not thread safe and caused
> undefined behavior from spurious duplicate resource IDs.
> In this patch, an atomic_t is used instead. We no longer
> see any duplicate IDs in tests with this change.
> 
> Fixes: 16065fcdd19d ("drm/virtio: do NOT reuse resource ids")
> Signed-off-by: John Bates <jbates at chromium.org>

Pushed to drm-misc-fixes.

thanks,
  Gerd