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| author | Christian Brauner <brauner@kernel.org> | 2024-09-25 11:05:16 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2024-10-22 11:16:56 +0200 |
| commit | 6474353a5e3d0b2cf610153cea0c61f576a36d0a (patch) | |
| tree | 1395d4b47fa1aaf0b08141610ec97a7c2c3f0d57 /rust/kernel/workqueue.rs | |
| parent | 05fba0a11557dfdc1b6895f4a3fb59165669e643 (diff) | |
epoll: annotate racy check
Epoll relies on a racy fastpath check during __fput() in
eventpoll_release() to avoid the hit of pointlessly acquiring a
semaphore. Annotate that race by using WRITE_ONCE() and READ_ONCE().
Link: https://lore.kernel.org/r/66edfb3c.050a0220.3195df.001a.GAE@google.com
Link: https://lore.kernel.org/r/20240925-fungieren-anbauen-79b334b00542@brauner
Reviewed-by: Jan Kara <jack@suse.cz>
Reported-by: syzbot+3b6b32dc50537a49bb4a@syzkaller.appspotmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'rust/kernel/workqueue.rs')
0 files changed, 0 insertions, 0 deletions