diff options
Diffstat (limited to 'kernel/workqueue.c')
| -rw-r--r-- | kernel/workqueue.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index d4ad5d93e1a7..bfeef512f6dd 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -1309,13 +1309,14 @@ static bool kick_pool_pick(struct worker_pool *pool, struct task_struct **wakep) * its affinity scope. Repatriate. */ if (!pool->attrs->affn_strict && - !cpumask_test_cpu(p->wake_cpu, pool->attrs->__pod_cpumask)) { + !cpumask_test_cpu(READ_ONCE(p->wake_cpu), + pool->attrs->__pod_cpumask)) { struct work_struct *work = list_first_entry(&pool->worklist, struct work_struct, entry); int wake_cpu = cpumask_any_and_distribute(pool->attrs->__pod_cpumask, cpu_online_mask); if (wake_cpu < nr_cpu_ids) { - p->wake_cpu = wake_cpu; + WRITE_ONCE(p->wake_cpu, wake_cpu); get_work_pwq(work)->stats[PWQ_STAT_REPATRIATED]++; } } |