Commit 3789ae7d authored May 19, 2010 by Steffen Klassert Committed by Herbert Xu May 19, 2010

padata: Use get_online_cpus/put_online_cpus in padata_free



Add get_online_cpus/put_online_cpus to ensure that no cpu goes
offline during the flushing of the padata percpu queues.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent 0198ffd1

kernel/padata.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -763,7 +763,10 @@ void padata_free(struct padata_instance *pinst)
		#ifdef CONFIG_HOTPLUG_CPU
		unregister_hotcpu_notifier(&pinst->cpu_notifier);
		#endif
		get_online_cpus();
		padata_flush_queues(pinst->pd);
		put_online_cpus();

		padata_free_pd(pinst->pd);
		free_cpumask_var(pinst->cpumask);
		kfree(pinst);