On Thu, 06 Apr 2023 19:06:30 +0300, Dmitry Osipenko wrote: > This patchset makes dma-buf exporters responisble for taking care of > the reservation lock. I also included patch that moves drm-shmem to use > reservation lock, to let CI test the whole set. I'm going to take all > the patches via the drm-misc tree, please give an ack. > > Previous policy stated that dma-buf core takes the lock around mmap() > callback. Which meant that both importers and exporters shouldn't touch > the reservation lock in the mmap() code path. This worked well until > Intel-CI found a deadlock problem in a case of self-imported dma-buf [1]. > > [...] Applied, thanks! [4/7] fastrpc: Don't assert held reservation lock for dma-buf mmapping commit: 3f6b4c6f0bd0126f673f3578429239ae3860718b Best regards, -- Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>