On 3/11/21 4:29 PM, Pavel Begunkov wrote: > 1-3 are relatively easy. 2/3 is rather a cleanup, but it's better to > throw it out of the equation, makes life easier. > > 4/4 removes the park/unpark dance for cancellations, and fixes a couple > of issues (will send one test later). > Signals in io_sq_thread() add troubles adding more cases to think about > and care about races b/w dying SQPOLL task, dying ctxs and going away > userspace tasks. > > Pavel Begunkov (4): > io_uring: cancel deferred requests in try_cancel > io_uring: remove useless ->startup completion > io_uring: prevent racy sqd->thread checks > io_uring: cancel sqpoll via task_work > > fs/io_uring.c | 195 +++++++++++++++++++++++++------------------------- > 1 file changed, 99 insertions(+), 96 deletions(-) Added for 5.12, thanks. -- Jens Axboe
