On 2/28/23 18:26, Thomas Zimmermann wrote: > This reverts commit 67b7836d4458790f1261e31fe0ce3250989784f0. > > The locking appears incomplete. A caller of SHMEM helper's pin > function never acquires the dma-buf reservation lock. So we get > > WARNING: CPU: 3 PID: 967 at drivers/gpu/drm/drm_gem_shmem_helper.c:243 drm_gem_shmem_pin+0x42/0x90 [drm_shmem_helper] > > Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx> > --- Thanks Thomas, Acked-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx> -- Best regards, Dmitry