From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762786AbZBDS72 (ORCPT ); Wed, 4 Feb 2009 13:59:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761286AbZBDSta (ORCPT ); Wed, 4 Feb 2009 13:49:30 -0500 Received: from kroah.org ([198.145.64.141]:32771 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1759329AbZBDStV (ORCPT ); Wed, 4 Feb 2009 13:49:21 -0500 Date: Wed, 4 Feb 2009 10:46:30 -0800 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: Justin Forbes , Zwane Mwaikambo , "Theodore Ts'o" , Randy Dunlap , Dave Jones , Chuck Wolber , Chris Wedgwood , Michael Krufky , Chuck Ebbert , Domenico Andreoli , Willy Tarreau , Rodrigo Rubira Branco , Jake Edge , Eugene Teo , torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Len Brown , Venkatesh Pallipadi , Thomas Renninger Subject: [patch 21/41] cpuidle: upon BIOS bug, default to default_idle rather than polling Message-ID: <20090204184630.GV25246@kroah.com> References: <20090204184029.881610776@mini.kroah.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline; filename="cpuidle-upon-bios-bug-default-to-default_idle-rather-than-polling.patch" In-Reply-To: <20090204184539.GA25246@kroah.com> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.27-stable review patch. If anyone has any objections, please let us know. ------------------ From: Venkatesh Pallipadi commit 89cedfefca1d446ee2598fd3bcbb23ee3802e26a upstream http://bugzilla.kernel.org/show_bug.cgi?id=11345 Signed-off-by: Venkatesh Pallipadi Signed-off-by: Len Brown Cc: Thomas Renninger Signed-off-by: Greg Kroah-Hartman --- arch/x86/Kconfig | 3 +++ drivers/cpuidle/cpuidle.c | 4 ++++ 2 files changed, 7 insertions(+) --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -123,6 +123,9 @@ config GENERIC_TIME_VSYSCALL config ARCH_HAS_CPU_RELAX def_bool y +config ARCH_HAS_DEFAULT_IDLE + def_bool y + config ARCH_HAS_CACHE_LINE_SIZE def_bool y --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -56,7 +56,11 @@ static void cpuidle_idle_call(void) if (pm_idle_old) pm_idle_old(); else +#if defined(CONFIG_ARCH_HAS_DEFAULT_IDLE) + default_idle(); +#else local_irq_enable(); +#endif return; }