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(parent: e296dc4) | patch
io_uring: remove 'twa_signal_ok' deadlock work-around
authorJens Axboe <axboe@kernel.dk>
Fri, 23 Oct 2020 02:19:35 +0000 (20:19 -0600)
committerJens Axboe <axboe@kernel.dk>
Sat, 12 Dec 2020 16:17:38 +0000 (09:17 -0700)
commit355fb9e2b78e78b38ec00f5cd9b05c6aceb98335
tree73b6aebb80e177be9c156e37e0cfa8fcba46d56btree | snapshot
parente296dc4996b8094ccde45d19090d804c4103513ecommit | diff
io_uring: remove 'twa_signal_ok' deadlock work-around

The TIF_NOTIFY_SIGNAL based implementation of TWA_SIGNAL is always safe
to use, regardless of context, as we won't be recursing into the signal
lock. So now that all archs are using that, we can drop this deadlock
work-around as it's always safe to use TWA_SIGNAL.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
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