Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761258AbXENGpN (ORCPT ); Mon, 14 May 2007 02:45:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754142AbXENGpD (ORCPT ); Mon, 14 May 2007 02:45:03 -0400 Received: from imx9.toshiba.co.jp ([202.33.96.51]:59238 "EHLO imx9.toshiba.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752389AbXENGpB (ORCPT ); Mon, 14 May 2007 02:45:01 -0400 Date: Mon, 14 May 2007 15:29:17 +0900 Message-ID: From: Tsutomu OWA To: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org Cc: mingo@elte.hu, tglx@linutronix.de Subject: Re: [patch 3/4] powerpc 2.6.21-rt1: add a need_resched_delayed() check In-Reply-To: References: User-Agent: Wanderlust/2.8.1 (Something) Emacs/20.7 Mule/4.0 (HANANOEN) Organization: Software Engineering Center, TOSHIBA. MIME-Version: 1.0 (generated by SEMI 1.14.4 - "Hosorogi") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 992 Lines: 29 Add a need_resched_delayed() check. This was pointed by Sergei Shtylyov; http://ozlabs.org/pipermail/linuxppc-dev/2007-March/033148.html Signed-off-by: Tsutomu Owa -- owa diff -rup linux-2.6.21-rt1/arch/powerpc/kernel/idle.c rt/arch/powerpc/kernel/idle.c --- linux-2.6.21-rt1/arch/powerpc/kernel/idle.c 2007-05-07 14:08:12.000000000 +0900 +++ rt/arch/powerpc/kernel/idle.c 2007-05-07 14:05:30.000000000 +0900 @@ -70,7 +70,9 @@ void cpu_idle(void) local_irq_disable(); /* check again after disabling irqs */ - if (!need_resched() && !cpu_should_die()) + if (!need_resched() && + !need_resched_delayed() && + !cpu_should_die()) ppc_md.power_save(); local_irq_enable(); - 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/