On 20/12/2020 13:21, Pavel Begunkov wrote: > First two are only for task cancellation, the last one for both. > > Jens, do you remember the exact reason why you added the check > removed in [3/3]? I have a clue, but that stuff doesn't look > right regardless. See "exit: do exit_task_work() before shooting > off mm" thread. The question is answered, the bug is still here, but that's too early for 3/3. Please consider first 2 patches. > > Pavel Begunkov (3): > io_uring: always progress task_work on task cancel > io_uring: end waiting before task cancel attempts > io_uring: fix cancellation hangs > > fs/io_uring.c | 10 ++-------- > 1 file changed, 2 insertions(+), 8 deletions(-) > -- Pavel Begunkov
