From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756482AbZEZRs5 (ORCPT ); Tue, 26 May 2009 13:48:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752051AbZEZRst (ORCPT ); Tue, 26 May 2009 13:48:49 -0400 Received: from mga02.intel.com ([134.134.136.20]:32719 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751229AbZEZRst (ORCPT ); Tue, 26 May 2009 13:48:49 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.41,253,1241420400"; d="scan'208";a="415783971" Subject: Re: [PATCH] NOHZ: Properly feed cpufreq ondemand governor From: "Pallipadi, Venkatesh" To: Rik van Riel Cc: "ext-eero.nurkkala@nokia.com" , "linux-kernel@vger.kernel.org" , "tglx@linutronix.de" In-Reply-To: <4A1C0818.3010003@redhat.com> References: <12432346571351-git-send-email-ext-eero.nurkkala@nokia.com> <4A1C0818.3010003@redhat.com> Content-Type: text/plain Date: Tue, 26 May 2009 10:47:29 -0700 Message-Id: <1243360049.4534.11.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.24.3 (2.24.3-1.fc10) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2009-05-26 at 08:17 -0700, Rik van Riel wrote: > ext-eero.nurkkala@nokia.com wrote: > > From: Eero Nurkkala > > > > A call from irq_exit() may occasionally pause the timing > > info for cpufreq ondemand governor. This results in the > > cpufreq ondemand governor to fail to calculate the > > system load properly. Thus, relocate the checks for this > > particular case to keep the governor always functional. > > > > Signed-off-by: Eero Nurkkala > > Reported-by: Tero Kristo > > Acked-by: Rik van Riel Acked-by: Venkatesh Pallipadi