From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936152Ab3DHUmK (ORCPT ); Mon, 8 Apr 2013 16:42:10 -0400 Received: from terminus.zytor.com ([198.137.202.10]:41012 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935919Ab3DHUmI (ORCPT ); Mon, 8 Apr 2013 16:42:08 -0400 Date: Mon, 8 Apr 2013 13:41:44 -0700 From: tip-bot for Thomas Gleixner Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, rusty@rustcorp.com.au, torvalds@linux-foundation.org, peterz@infradead.org, lennox.wu@gmail.com, srivatsa.bhat@linux.vnet.ibm.com, paulmck@linux.vnet.ibm.com, tglx@linutronix.de, magnus.damm@gmail.com Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, rusty@rustcorp.com.au, peterz@infradead.org, srivatsa.bhat@linux.vnet.ibm.com, lennox.wu@gmail.com, paulmck@linux.vnet.ibm.com, tglx@linutronix.de, magnus.damm@gmail.com In-Reply-To: <20130321215235.147909863@linutronix.de> References: <20130321215235.147909863@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:smp/hotplug] score: Use generic idle loop Git-Commit-ID: 99444202b924e916aad95073d23f9995ae8eb558 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (terminus.zytor.com [127.0.0.1]); Mon, 08 Apr 2013 13:41:49 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 99444202b924e916aad95073d23f9995ae8eb558 Gitweb: http://git.kernel.org/tip/99444202b924e916aad95073d23f9995ae8eb558 Author: Thomas Gleixner AuthorDate: Thu, 21 Mar 2013 22:49:58 +0100 Committer: Thomas Gleixner CommitDate: Mon, 8 Apr 2013 17:39:28 +0200 score: Use generic idle loop Signed-off-by: Thomas Gleixner Cc: Linus Torvalds Cc: Rusty Russell Cc: Paul McKenney Cc: Peter Zijlstra Reviewed-by: Cc: Srivatsa S. Bhat Cc: Magnus Damm Cc: Lennox Wu Link: http://lkml.kernel.org/r/20130321215235.147909863@linutronix.de Signed-off-by: Thomas Gleixner --- arch/score/Kconfig | 1 + arch/score/kernel/process.c | 18 ------------------ 2 files changed, 1 insertion(+), 18 deletions(-) diff --git a/arch/score/Kconfig b/arch/score/Kconfig index c8def8b..eaac45d 100644 --- a/arch/score/Kconfig +++ b/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 diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c index 7956846..f4c6d02 100644 --- a/arch/score/kernel/process.c +++ b/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);