6.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Nicholas Piggin npiggin@gmail.com
[ Upstream commit 18e24deb1cc92f2068ce7434a94233741fbd7771 ]
Warn in the case it is called with cpu == -1. This does not appear to happen anywhere.
Signed-off-by: Nicholas Piggin npiggin@gmail.com Reviewed-by: Paul E. McKenney paulmck@kernel.org Signed-off-by: Tejun Heo tj@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- kernel/workqueue.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index f3b6ac232e21..4da8a5e702f8 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -5893,6 +5893,8 @@ notrace void wq_watchdog_touch(int cpu) { if (cpu >= 0) per_cpu(wq_watchdog_touched_cpu, cpu) = jiffies; + else + WARN_ONCE(1, "%s should be called with valid CPU", __func__);
wq_watchdog_touched = jiffies; }