tree edd7ca09c0f31ec35bfe16c9f32e8310c3449ae4
parent 9b033ffdc4492f9882d1e3d8416f3c9a3b1c281e
author John Ogness <john.ogness@linutronix.de> 1708948884 +0106
committer Vegard Nossum <vegard.nossum@oracle.com> 1717059641 +0000

printk: Update @console_may_schedule in console_trylock_spinning()

[ Upstream commit 8076972468584d4a21dab9aa50e388b3ea9ad8c7 ]

console_trylock_spinning() may takeover the console lock from a
schedulable context. Update @console_may_schedule to make sure it
reflects a trylock acquire.

Reported-by: Mukesh Ojha <quic_mojha@quicinc.com>
Closes: https://lore.kernel.org/lkml/20240222090538.23017-1-quic_mojha@quicinc.com
Fixes: dbdda842fe96 ("printk: Add console owner and waiter logic to load balance console writes")
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/875xybmo2z.fsf@jogness.linutronix.de
Signed-off-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit 45f99d441067035dbb3f2a0d9713abe61ea721c5)
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>