Messages in this thread Patch in this message |  | | From | Davidlohr Bueso <> | Subject | [PATCH] locking/percpu-rwsem: Add might_sleep() for writer locking | Date | Tue, 7 Jan 2020 17:33:04 -0800 |
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We are missing this annotation in percpu_down_write(). Correct this.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de> ---
Applies against your queue tree.
kernel/locking/percpu-rwsem.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/kernel/locking/percpu-rwsem.c b/kernel/locking/percpu-rwsem.c index 4cbeeada8d09..08db2abfa00d 100644 --- a/kernel/locking/percpu-rwsem.c +++ b/kernel/locking/percpu-rwsem.c @@ -212,6 +212,7 @@ static bool readers_active_check(struct percpu_rw_semaphore *sem) void percpu_down_write(struct percpu_rw_semaphore *sem) { + might_sleep(); rwsem_acquire(&sem->dep_map, 0, 0, _RET_IP_); /* Notify readers to take the slow path. */ -- 2.16.4
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