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authorArnaldo Carvalho de Melo <acme@redhat.com>2021-04-13 15:14:37 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-04-13 15:14:37 -0300
commit473b2922c7e54260268c9bb037d2ff9f327422ab (patch)
tree40cee01f50cb0f285399c406ceba7b5acb58e486 /kernel/workqueue.c
parentda66658638c947cab0fb157289f03698453ff8d5 (diff)
parent89698becf06d341a700913c3d89ce2a914af69a2 (diff)
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes from perf/urgent that got into upstream. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'kernel/workqueue.c')
-rw-r--r--kernel/workqueue.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 0d150da252e8..79f2319543ce 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1412,7 +1412,6 @@ static void __queue_work(int cpu, struct workqueue_struct *wq,
*/
lockdep_assert_irqs_disabled();
- debug_work_activate(work);
/* if draining, only works from the same workqueue are allowed */
if (unlikely(wq->flags & __WQ_DRAINING) &&
@@ -1494,6 +1493,7 @@ retry:
worklist = &pwq->delayed_works;
}
+ debug_work_activate(work);
insert_work(pwq, work, worklist, work_flags);
out:
@@ -5787,22 +5787,17 @@ static void wq_watchdog_timer_fn(struct timer_list *unused)
continue;
/* get the latest of pool and touched timestamps */
+ if (pool->cpu >= 0)
+ touched = READ_ONCE(per_cpu(wq_watchdog_touched_cpu, pool->cpu));
+ else
+ touched = READ_ONCE(wq_watchdog_touched);
pool_ts = READ_ONCE(pool->watchdog_ts);
- touched = READ_ONCE(wq_watchdog_touched);
if (time_after(pool_ts, touched))
ts = pool_ts;
else
ts = touched;
- if (pool->cpu >= 0) {
- unsigned long cpu_touched =
- READ_ONCE(per_cpu(wq_watchdog_touched_cpu,
- pool->cpu));
- if (time_after(cpu_touched, ts))
- ts = cpu_touched;
- }
-
/* did we stall? */
if (time_after(jiffies, ts + thresh)) {
lockup_detected = true;
@@ -5826,8 +5821,8 @@ notrace void wq_watchdog_touch(int cpu)
{
if (cpu >= 0)
per_cpu(wq_watchdog_touched_cpu, cpu) = jiffies;
- else
- wq_watchdog_touched = jiffies;
+
+ wq_watchdog_touched = jiffies;
}
static void wq_watchdog_set_thresh(unsigned long thresh)