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(parent: 4e15fa8) | patch
sock_poll_wait: kill the no longer necessary barrier after poll_wait()
authorOleg Nesterov <oleg@redhat.com>
Tue, 7 Jan 2025 16:27:36 +0000 (17:27 +0100)
committerChristian Brauner <brauner@kernel.org>
Fri, 10 Jan 2025 10:59:00 +0000 (11:59 +0100)
commitb2849867b3a70c2d675ddca01c4e4540f7d3b8e9
tree21e06ac2875801bb7ab52c764ec16331629f92e7tree | snapshot
parent4e15fa8305deecdf20233558ed9f7a8a62b708fdcommit | diff
sock_poll_wait: kill the no longer necessary barrier after poll_wait()

Now that poll_wait() provides a full barrier we can remove smp_mb() from
sock_poll_wait().

Also, the poll_does_not_wait() check before poll_wait() just adds the
unnecessary confusion, kill it. poll_wait() does the same "p && p->_qproc"
check.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/r/20250107162736.GA18944@redhat.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
include/net/sock.h diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git