From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 2/2] net: fec: reduce spin lock time in fec_ptp_adjfreq Date: Wed, 07 Nov 2012 18:53:04 -0500 (EST) Message-ID: <20121107.185304.1774660119595460505.davem@davemloft.net> References: <1352268889-16836-1-git-send-email-Frank.Li@freescale.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: lznuaa@gmail.com, richardcochran@gmail.com, shawn.guo@linaro.org, linux-arm-kernel@lists.infradead.or, netdev@vger.kernel.org, bhutchings@solarflare.com To: Frank.Li@freescale.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:42365 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752130Ab2KGXxH (ORCPT ); Wed, 7 Nov 2012 18:53:07 -0500 In-Reply-To: <1352268889-16836-1-git-send-email-Frank.Li@freescale.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Frank Li Date: Wed, 7 Nov 2012 14:14:49 +0800 > move below calculate out of spin lock section > diff = fep->cc.mult; > diff *= ppb; > diff = div_u64(diff, 1000000000ULL); > > diff is local variable and not neccesary in spin lock > > Signed-off-by: Frank Li Also applied, thanks.