io_uring: remove 'twa_signal_ok' deadlock work-around

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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>

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This commit is contained in:

Jens Axboe 2020-10-22 20:19:35 -06:00

parent e296dc4996

commit 355fb9e2b7

1 changed files with 6 additions and 15 deletions

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fs/io_uring.c

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