Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757553Ab2KICV3 (ORCPT ); Thu, 8 Nov 2012 21:21:29 -0500 Received: from mail-pa0-f46.google.com ([209.85.220.46]:59862 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756980Ab2KICVZ (ORCPT ); Thu, 8 Nov 2012 21:21:25 -0500 Message-ID: <509C68A0.1070004@gmail.com> Date: Fri, 09 Nov 2012 10:21:20 +0800 From: Shan Wei User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:16.0) Gecko/20121026 Thunderbird/16.0.2 MIME-Version: 1.0 To: steffen.klassert@secunet.com, Kernel-Maillist , linux-crypto@vger.kernel.org, cl@linux-foundation.org, Shan Wei Subject: [PATCH v3 5/9] kernel: padata : use __this_cpu_read per-cpu helper Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1298 Lines: 42 From: Shan Wei For bottom halves off, __this_cpu_read is better. Signed-off-by: Shan Wei --- v3: use __this_cpu_read instead of this_cpu_read. --- kernel/padata.c | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/padata.c b/kernel/padata.c index 89fe3d1..072f4ee 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -171,7 +171,7 @@ static struct padata_priv *padata_get_next(struct parallel_data *pd) { int cpu, num_cpus; unsigned int next_nr, next_index; - struct padata_parallel_queue *queue, *next_queue; + struct padata_parallel_queue *next_queue; struct padata_priv *padata; struct padata_list *reorder; @@ -204,8 +204,7 @@ static struct padata_priv *padata_get_next(struct parallel_data *pd) goto out; } - queue = per_cpu_ptr(pd->pqueue, smp_processor_id()); - if (queue->cpu_index == next_queue->cpu_index) { + if (__this_cpu_read(pd->pqueue->cpu_index) == next_queue->cpu_index) { padata = ERR_PTR(-ENODATA); goto out; } -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/