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workqueue: wq_watchdog_touch is always called with valid CPU

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[ Upstream commit 18e24deb1c ]

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>
This commit is contained in:
Nicholas Piggin 2024-06-25 21:42:44 +10:00 committed by Greg Kroah-Hartman
parent 0eceaa9d05
commit 5ff0a44141
1 changed files with 2 additions and 0 deletions
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kernel/workqueue.c
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@ -6458,6 +6458,8 @@ notrace void wq_watchdog_touch(int cpu)
{ {
if (cpu >= 0) if (cpu >= 0)
per_cpu(wq_watchdog_touched_cpu, cpu) = jiffies; per_cpu(wq_watchdog_touched_cpu, cpu) = jiffies;
else
WARN_ONCE(1, "%s should be called with valid CPU", __func__);
wq_watchdog_touched = jiffies; wq_watchdog_touched = jiffies;
} }