From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932532Ab3CUVzt (ORCPT ); Thu, 21 Mar 2013 17:55:49 -0400 Received: from www.linutronix.de ([62.245.132.108]:33257 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932358Ab3CUVxU (ORCPT ); Thu, 21 Mar 2013 17:53:20 -0400 Message-Id: <20130321215235.147909863@linutronix.de> User-Agent: quilt/0.48-1 Date: Thu, 21 Mar 2013 21:53:19 -0000 From: Thomas Gleixner To: LKML Cc: linux-arch@vger.kernel.org, Linus Torvalds , Andrew Morton , Rusty Russell , Paul McKenney , Ingo Molnar , Peter Zijlstra , "Srivatsa S. Bhat" , Magnus Damm , Lennox Wu Subject: [patch 28/34] score: Use generic idle loop References: <20130321214930.752934102@linutronix.de> Content-Disposition: inline; filename=score-use-generic-idle-loop.patch X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Thomas Gleixner Cc: Lennox Wu --- arch/score/Kconfig | 1 + arch/score/kernel/process.c | 18 ------------------ 2 files changed, 1 insertion(+), 18 deletions(-) Index: linux-2.6/arch/score/Kconfig =================================================================== --- linux-2.6.orig/arch/score/Kconfig +++ linux-2.6/arch/score/Kconfig @@ -11,6 +11,7 @@ config SCORE select ARCH_DISCARD_MEMBLOCK select GENERIC_CPU_DEVICES select GENERIC_CLOCKEVENTS + select GENERIC_IDLE_LOOP select HAVE_MOD_ARCH_SPECIFIC select VIRT_TO_BUS select MODULES_USE_ELF_REL Index: linux-2.6/arch/score/kernel/process.c =================================================================== --- linux-2.6.orig/arch/score/kernel/process.c +++ linux-2.6/arch/score/kernel/process.c @@ -41,24 +41,6 @@ void machine_halt(void) {} /* If or when software machine-power-off is implemented, add code here. */ void machine_power_off(void) {} -/* - * The idle thread. There's no useful work to be - * done, so just try to conserve power and have a - * low exit latency (ie sit in a loop waiting for - * somebody to say that they'd like to reschedule) - */ -void __noreturn cpu_idle(void) -{ - /* endless idle loop with no priority at all */ - while (1) { - rcu_idle_enter(); - while (!need_resched()) - barrier(); - rcu_idle_exit(); - schedule_preempt_disabled(); - } -} - void ret_from_fork(void); void ret_from_kernel_thread(void);