On Fri, Oct 20, 2017 at 12:44:06AM +0300, Tal Shorer wrote: > Initialize wq_unbound_cpumask to exclude cpus that were isolated by > the cmdline's isolcpus parameter. > > Signed-off-by: Tal Shorer <[email protected]> > --- > kernel/workqueue.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/workqueue.c b/kernel/workqueue.c > index ca937b0..25b351d 100644 > --- a/kernel/workqueue.c > +++ b/kernel/workqueue.c > @@ -5546,7 +5546,7 @@ 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_copy(wq_unbound_cpumask, cpu_possible_mask); > + cpumask_andnot(wq_unbound_cpumask, cpu_possible_mask, cpu_isolated_map);
Don't we also wanna apply the same masking when wq_unbound_cpumask is being updated after boot? Thanks. -- tejun
