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| author | Pavel Begunkov <asml.silence@gmail.com> | 2020-08-01 13:50:02 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-08-01 11:02:57 -0600 |
| commit | fa15bafb71fd7a4d6018dae87cfaf890fd4ab47f (patch) | |
| tree | c5b160ef4ba5b95a531d4471c948f047d1c45a86 /Documentation/s390/s390dbf.rst | |
| parent | 1752f0adea98ef859978c090e0726844348758f9 (diff) | |
| download | lwn-fa15bafb71fd7a4d6018dae87cfaf890fd4ab47f.tar.gz lwn-fa15bafb71fd7a4d6018dae87cfaf890fd4ab47f.zip | |
io_uring: flip if handling after io_setup_async_rw
As recently done with with send/recv, flip the if after
rw_verify_aread() in io_{read,write}() and tabulise left bits left.
This removes mispredicted by a compiler jump on the success/fast path.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'Documentation/s390/s390dbf.rst')
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