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Date: Fri, 14 May 2010 13:46:46 +0200 From: Steffen Klassert <steffen.klassert@...unet.com> To: Herbert Xu <herbert@...dor.apana.org.au>, Andrew Morton <akpm@...ux-foundation.org> Cc: linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org Subject: [PATCH 4/4] 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@...unet.com> --- kernel/padata.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/kernel/padata.c b/kernel/padata.c index 629bef3..1f40560 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -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); -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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