From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755633AbZFEW3a (ORCPT ); Fri, 5 Jun 2009 18:29:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755471AbZFEW3V (ORCPT ); Fri, 5 Jun 2009 18:29:21 -0400 Received: from smtp3.ultrahosting.com ([74.213.175.254]:60343 "EHLO smtp.ultrahosting.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755455AbZFEW3T (ORCPT ); Fri, 5 Jun 2009 18:29:19 -0400 X-Amavis-Alert: BAD HEADER, Header field occurs more than once: "Cc" occurs 4 times Message-Id: <20090605191851.776993582@gentwo.org> References: <20090605191819.376530498@gentwo.org> User-Agent: quilt/0.46-1 Date: Fri, 05 Jun 2009 15:18:27 -0400 From: cl@linux-foundation.org To: linux-kernel@vger.kernel.org Cc: Tejun Heo , Huang Ying Cc: mingo@elte.hu Cc: rusty@rustcorp.com.au Cc: davem@davemloft.net Subject: [this_cpu_xx 08/11] Use this_cpu_ptr in crypto subsystem Content-Disposition: inline; filename=this_cpu_ptr_crypto Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Just a slight optimization that removes one array lookup. The processor number is needed for other things as well so the get/put_cpu cannot be removed. Cc: Huang Ying Signed-off-by: Christoph Lameter --- crypto/cryptd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-2.6/crypto/cryptd.c =================================================================== --- linux-2.6.orig/crypto/cryptd.c 2009-05-27 11:55:20.000000000 -0500 +++ linux-2.6/crypto/cryptd.c 2009-05-27 11:56:55.000000000 -0500 @@ -93,7 +93,7 @@ static int cryptd_enqueue_request(struct struct cryptd_cpu_queue *cpu_queue; cpu = get_cpu(); - cpu_queue = per_cpu_ptr(queue->cpu_queue, cpu); + cpu_queue = this_cpu_ptr(queue->cpu_queue); err = crypto_enqueue_request(&cpu_queue->queue, request); queue_work_on(cpu, kcrypto_wq, &cpu_queue->work); put_cpu(); --