From: Valentin Schneider <valentin.schneider@arm.com>
Date: Thu, 10 Dec 2020 16:38:29 +0000 (+0000)
Subject: stop_machine: Add caller debug info to queue_stop_cpus_work
X-Git-Tag: howlett/maple/20220722_2~3281^2~36
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=2a2f80ff63bc36a874ed569bcaef932a8fe43514;p=users%2Fjedix%2Flinux-maple.git

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@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20201210163830.21514-2-valentin.schneider@arm.com
---

diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 971d8acceaecb..cbc30271ea4dc 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;
 	}