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workqueue/hotplug: remove the workaround in rebind_workers() 

Since the cpu/hotplug refactoring, DOWN_FAILED is never called without
preceding DOWN_PREPARE making the workaround unnecessary.  Remove it.

Signed-off-by: Lai Jiangshan <jiangshanlai@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Lai Jiangshan 2017-12-01 22:23:07 +08:00 committed by Tejun Heo
parent e8b3f8db7a
commit 62408c1ef0
1 changed files with 0 additions and 10 deletions
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10
kernel/workqueue.c
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@ -4589,16 +4589,6 @@ static void rebind_workers(struct worker_pool *pool)
spin_lock_irq(&pool->lock);
/*
* XXX: CPU hotplug notifiers are weird and can call DOWN_FAILED
* w/o preceding DOWN_PREPARE. Work around it. CPU hotplug is
* being reworked and this can go away in time.
*/
if (!(pool->flags & POOL_DISASSOCIATED)) {
spin_unlock_irq(&pool->lock);
return;
}
pool->flags &= ~POOL_DISASSOCIATED;
for_each_pool_worker(worker, pool) {