Hi Dmitry,
On Sun, 2 Apr 2023 at 17:49, Dmitry Osipenko
wrote:
> -void drm_gem_shmem_put_pages(struct drm_gem_shmem_object *shmem)
> +static int drm_gem_shmem_pin_locked(struct drm_gem_shmem_object *shmem)
> {
> - mutex_lock(&shmem->pages_lock);
> - drm_gem_shmem_put_pages_locked(sh
Replace all drm-shmem locks with a GEM reservation lock. This makes locks
consistent with dma-buf locking convention where importers are responsible
for holding reservation lock for all operations performed over dma-bufs,
preventing deadlock between dma-buf importers and exporters.
Suggested-by: D
