Andrey Grodzovsky <Andrey.Grodzovsky at amd.com> writes: > On 04/25/2018 01:17 PM, Oleg Nesterov wrote: >> On 04/25, Andrey Grodzovsky wrote: >>> here (drm_sched_entity_fini) is also a bad idea, but we still want to be >>> able to exit immediately >>> and not wait for GPU jobs completion when the reason for reaching this code >>> is because of KILL >>> signal to the user process who opened the device file. >> Can you hook f_op->flush method? > > But this one is called for each task releasing a reference to the the file, so > not sure I see how this solves the problem. The big question is why do you need to wait during the final closing a file? The wait can be terminated so the wait does not appear to be simply a matter of correctness. Eric
