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padata: Fix cpu hotplug 

We don't remove the cpu that went offline from our cpumasks
on cpu hotplug. This got lost somewhere along the line, so
restore it. This fixes a hang of the padata instance on cpu
hotplug.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Steffen Klassert 2012-03-28 08:44:07 +02:00 committed by Herbert Xu
parent 13614e0fb1
commit 9612090527
1 changed files with 3 additions and 0 deletions
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kernel/padata.c
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@ -748,6 +748,9 @@ static int __padata_remove_cpu(struct padata_instance *pinst, int cpu)
return -ENOMEM;
padata_replace(pinst, pd);
cpumask_clear_cpu(cpu, pd->cpumask.cbcpu);
cpumask_clear_cpu(cpu, pd->cpumask.pcpu);
}
return 0;