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io_uring/napi: protect concurrent io_napi_entry timeout accesses
authorOlivier Langlois <olivier@trillion01.com>
Sun, 13 Oct 2024 18:28:24 +0000 (14:28 -0400)
committerJens Axboe <axboe@kernel.dk>
Wed, 6 Nov 2024 20:55:38 +0000 (13:55 -0700)
commit2f3cc8e441c9f657ff036c56baaab7dddbd0b350
tree7a0388250c5486aeb3369af65bac9a8bc8eec712tree
parent483242714fcc853f3f5ef728116f5ec168468bcacommit | diff
io_uring/napi: protect concurrent io_napi_entry timeout accesses

io_napi_entry timeout value can be updated while accessed from the poll
functions.

Its concurrent accesses are wrapped with READ_ONCE()/WRITE_ONCE() macros
to avoid incorrect compiler optimizations.

Signed-off-by: Olivier Langlois <olivier@trillion01.com>
Link: https://lore.kernel.org/r/3de3087563cf98f75266fd9f85fdba063a8720db.1728828877.git.olivier@trillion01.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
io_uring/napi.c diff | blob | history
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