[tip: sched/core] stop_machine: Add caller debug info to queue_stop_cpus_work

[tip-bot2 for Valentin Schneider]

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     2a2f80ff63bc36a874ed569bcaef932a8fe43514
Gitweb:        https://git.kernel.org/tip/2a2f80ff63bc36a874ed569bcaef932a8fe43514
Author:        Valentin Schneider <valentin.schneider@xxxxxxx>
AuthorDate:    Thu, 10 Dec 2020 16:38:29 
Committer:     Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CommitterDate: Tue, 23 Mar 2021 16:01:58 +01:00

stop_machine: Add caller debug info to queue_stop_cpus_work

Most callsites were covered by commit

  a8b62fd08505 ("stop_machine: Add function and caller debug info")

but this skipped queue_stop_cpus_work(). Add caller debug info to it.

Signed-off-by: Valentin Schneider <valentin.schneider@xxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20201210163830.21514-2-valentin.schneider@xxxxxxx
---
 kernel/stop_machine.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 971d8ac..cbc3027 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -409,6 +409,7 @@ static bool queue_stop_cpus_work(const struct cpumask *cpumask,
 		work->fn = fn;
 		work->arg = arg;
 		work->done = done;
+		work->caller = _RET_IP_;
 		if (cpu_stop_queue_work(cpu, work))
 			queued = true;
 	}