projects / linux-2.6-microblaze.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: eba0a4d) | patch
io_uring: briefly loose locks while reaping events
authorPavel Begunkov <asml.silence@gmail.com>
Mon, 6 Jul 2020 14:59:31 +0000 (17:59 +0300)
committerJens Axboe <axboe@kernel.dk>
Mon, 6 Jul 2020 15:06:20 +0000 (09:06 -0600)
commit3fcee5a6d5414df8ff4ee22f2477bde76d34527c
tree687e9af32760c89673a2587b188d9d7f1dde48cdtree | snapshot
parenteba0a4dd2aa5c47ca5b0c56ffb6d6665e047ff72commit | diff
io_uring: briefly loose locks while reaping events

It's not nice to hold @uring_lock for too long io_iopoll_reap_events().
For instance, the lock is needed to publish requests to @poll_list, and
that locks out tasks doing that for no good reason. Loose it
occasionally.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
MicroBlaze GIT Repository