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-rw-r--r--kernel/workqueue.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index ad0cd43..c56479b 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -5495,8 +5495,6 @@ int __init workqueue_init_early(void)
pwq_cache = KMEM_CACHE(pool_workqueue, SLAB_PANIC);
- wq_numa_init();
-
/* initialize CPU pools */
for_each_possible_cpu(cpu) {
struct worker_pool *pool;
@@ -5566,9 +5564,32 @@ int __init workqueue_init_early(void)
*/
int __init workqueue_init(void)
{
+ struct workqueue_struct *wq;
struct worker_pool *pool;
int cpu, bkt;
+ /*
+ * It'd be simpler to initialize NUMA in workqueue_init_early() but
+ * CPU to node mapping may not be available that early on some
+ * archs such as power and arm64. As per-cpu pools created
+ * previously could be missing node hint and unbound pools NUMA
+ * affinity, fix them up.
+ */
+ wq_numa_init();
+
+ mutex_lock(&wq_pool_mutex);
+
+ for_each_possible_cpu(cpu) {
+ for_each_cpu_worker_pool(pool, cpu) {
+ pool->node = cpu_to_node(cpu);
+ }
+ }
+
+ list_for_each_entry(wq, &workqueues, list)
+ wq_update_unbound_numa(wq, smp_processor_id(), true);
+
+ mutex_unlock(&wq_pool_mutex);
+
/* create the initial workers */
for_each_online_cpu(cpu) {
for_each_cpu_worker_pool(pool, cpu) {
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