summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorNicholas Piggin <npiggin@gmail.com>2024-06-25 14:42:44 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-09-12 12:10:27 +0300
commit0b93c4f4caa8f9ac39aeee3d00380fc76462e31a (patch)
treefde58d65d874bd37ba54482dc15b8b77489111ed
parent9178eb8ebcd887ab75e54ac40d538e54bb9c7788 (diff)
downloadlinux-0b93c4f4caa8f9ac39aeee3d00380fc76462e31a.tar.xz
workqueue: wq_watchdog_touch is always called with valid CPU
[ 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>
-rw-r--r--kernel/workqueue.c2
1 files changed, 2 insertions, 0 deletions
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;
}