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authorChristian Brauner <brauner@kernel.org>2025-01-10 11:59:08 +0100
committerChristian Brauner <brauner@kernel.org>2025-01-10 11:59:45 +0100
commit67cd2e23c0f353803f182ae790a7d5074d4c1a4d (patch)
tree21b4329a819a52e988be56b5faefd9a78255f896 /tools/iio/iio_event_monitor.c
parent40384c840ea1944d7c5a392e8975ed088ecf0b37 (diff)
parentf005bf18a57aadf3af1e85a0f0151cb3688ee606 (diff)
Merge patch series "poll_wait: add mb() to fix theoretical race between waitqueue_active() and .poll()"
Oleg Nesterov <oleg@redhat.com> says: The waitqueue_active() helper can only be used if both waker and waiter have memory barriers that pair with each other. But __pollwait() is broken in this respect. Fix it. * patches from https://lore.kernel.org/r/20250107162649.GA18886@redhat.com: poll: kill poll_does_not_wait() sock_poll_wait: kill the no longer necessary barrier after poll_wait() io_uring_poll: kill the no longer necessary barrier after poll_wait() poll_wait: kill the obsolete wait_address check poll_wait: add mb() to fix theoretical race between waitqueue_active() and .poll() Link: https://lore.kernel.org/r/20250107162649.GA18886@redhat.com Signed-off-by: Christian Brauner <brauner@kernel.org>
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