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-rw-r--r--kernel/workqueue.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index e271d02f3d8c..6adee950077a 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -6848,9 +6848,6 @@ int workqueue_unbound_exclude_cpumask(cpumask_var_t exclude_cpumask)
lockdep_assert_cpus_held();
mutex_lock(&wq_pool_mutex);
- /* Save the current isolated cpumask & export it via sysfs */
- cpumask_copy(wq_isolated_cpumask, exclude_cpumask);
-
/*
* If the operation fails, it will fall back to
* wq_requested_unbound_cpumask which is initially set to
@@ -6862,6 +6859,10 @@ int workqueue_unbound_exclude_cpumask(cpumask_var_t exclude_cpumask)
if (!cpumask_equal(cpumask, wq_unbound_cpumask))
ret = workqueue_apply_unbound_cpumask(cpumask);
+ /* Save the current isolated cpumask & export it via sysfs */
+ if (!ret)
+ cpumask_copy(wq_isolated_cpumask, exclude_cpumask);
+
mutex_unlock(&wq_pool_mutex);
free_cpumask_var(cpumask);
return ret;
@@ -7197,7 +7198,6 @@ static int workqueue_set_unbound_cpumask(cpumask_var_t cpumask)
cpumask_and(cpumask, cpumask, cpu_possible_mask);
if (!cpumask_empty(cpumask)) {
apply_wqattrs_lock();
- cpumask_copy(wq_requested_unbound_cpumask, cpumask);
if (cpumask_equal(cpumask, wq_unbound_cpumask)) {
ret = 0;
goto out_unlock;
@@ -7206,6 +7206,8 @@ static int workqueue_set_unbound_cpumask(cpumask_var_t cpumask)
ret = workqueue_apply_unbound_cpumask(cpumask);
out_unlock:
+ if (!ret)
+ cpumask_copy(wq_requested_unbound_cpumask, cpumask);
apply_wqattrs_unlock();
}