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Revert "workqueue: respect isolated cpus when queueing an unbound work" 

This reverts commit b5149873a0.

It conflicts with the following isolcpus change from the sched branch.

 edb9382175 ("sched/isolation: Move isolcpus= handling to the housekeeping code")

Let's revert for now.

Signed-off-by: Tejun Heo <tj@kernel.org>
hifive-unleashed-5.1
Tejun Heo 2017-11-03 07:02:15 -07:00
parent b5149873a0
commit edbfd9112f
1 changed files with 1 additions and 5 deletions
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6
kernel/workqueue.c
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@ -4980,10 +4980,6 @@ int workqueue_set_unbound_cpumask(cpumask_var_t cpumask)
if (!zalloc_cpumask_var(&saved_cpumask, GFP_KERNEL))
return -ENOMEM;
/*
* Not excluding isolated cpus on purpose.
* If the user wishes to include them, we allow that.
*/
cpumask_and(cpumask, cpumask, cpu_possible_mask);
if (!cpumask_empty(cpumask)) {
apply_wqattrs_lock();
@ -5583,7 +5579,7 @@ int __init workqueue_init_early(void)
WARN_ON(__alignof__(struct pool_workqueue) < __alignof__(long long));
BUG_ON(!alloc_cpumask_var(&wq_unbound_cpumask, GFP_KERNEL));
cpumask_andnot(wq_unbound_cpumask, cpu_possible_mask, cpu_isolated_map);
cpumask_copy(wq_unbound_cpumask, cpu_possible_mask);
pwq_cache = KMEM_CACHE(pool_workqueue, SLAB_PANIC);