diff options
| -rw-r--r-- | kernel/stop_machine.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c index b4f83f7bdf86..c7031a22aa7b 100644 --- a/kernel/stop_machine.c +++ b/kernel/stop_machine.c @@ -383,6 +383,7 @@ static bool queue_stop_cpus_work(const struct cpumask *cpumask, */ preempt_disable(); stop_cpus_in_progress = true; + barrier(); for_each_cpu(cpu, cpumask) { work = &per_cpu(cpu_stopper.stop_work, cpu); work->fn = fn; @@ -391,6 +392,7 @@ static bool queue_stop_cpus_work(const struct cpumask *cpumask, if (cpu_stop_queue_work(cpu, work)) queued = true; } + barrier(); stop_cpus_in_progress = false; preempt_enable(); |