On 4/6/23 19:06, Dmitry Osipenko wrote: > Change locking policy of mmap() callback, making exporters responsible > for handling dma-buf reservation locking. Previous locking policy stated > that dma-buf is locked for both importers and exporters by the dma-buf > core, which caused a deadlock problem for DRM drivers in a case of > self-imported dma-bufs which required to take the lock from the DRM > exporter side. > > Reviewed-by: Emil Velikov <emil.l.velikov@xxxxxxxxx> > Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx> > --- > drivers/dma-buf/dma-buf.c | 17 +++-------------- > 1 file changed, 3 insertions(+), 14 deletions(-) Christian, may I add yours ack to this patch? -- Best regards, Dmitry