From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964934Ab3DHUtR (ORCPT ); Mon, 8 Apr 2013 16:49:17 -0400 Received: from terminus.zytor.com ([198.137.202.10]:41128 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964790Ab3DHUtP (ORCPT ); Mon, 8 Apr 2013 16:49:15 -0400 Date: Mon, 8 Apr 2013 13:48:56 -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, chris@zankel.net, 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, chris@zankel.net, paulmck@linux.vnet.ibm.com, tglx@linutronix.de, magnus.damm@gmail.com In-Reply-To: <20130321215235.546600507@linutronix.de> References: <20130321215235.546600507@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:smp/hotplug] xtensa: Use generic idle loop Git-Commit-ID: f4e2e9a4b26789d963000f974f2dc80230bb4674 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 13:49:02 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: f4e2e9a4b26789d963000f974f2dc80230bb4674 Gitweb: http://git.kernel.org/tip/f4e2e9a4b26789d963000f974f2dc80230bb4674 Author: Thomas Gleixner AuthorDate: Thu, 21 Mar 2013 22:50:04 +0100 Committer: Thomas Gleixner CommitDate: Mon, 8 Apr 2013 17:39:29 +0200 xtensa: Use generic idle loop Signed-off-by: Thomas Gleixner Cc: Linus Torvalds Cc: Rusty Russell Cc: Paul McKenney Cc: Peter Zijlstra Reviewed-by: Srivatsa S. Bhat Cc: Magnus Damm Acked-by: Chris Zankel Link: http://lkml.kernel.org/r/20130321215235.546600507@linutronix.de Signed-off-by: Thomas Gleixner --- arch/xtensa/Kconfig | 1 + arch/xtensa/kernel/process.c | 14 ++------------ 2 files changed, 3 insertions(+), 12 deletions(-) diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index b09de49..e0144ff 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -19,6 +19,7 @@ config XTENSA select CLONE_BACKWARDS select IRQ_DOMAIN select HAVE_OPROFILE + select GENERIC_IDLE_LOOP help Xtensa processors are 32-bit RISC machines designed by Tensilica primarily for embedded systems. These processors are both diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index 5cd82e9..1c85323 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -105,19 +105,9 @@ void coprocessor_flush_all(struct thread_info *ti) /* * Powermanagement idle function, if any is provided by the platform. */ - -void cpu_idle(void) +void arch_cpu_idle(void) { - local_irq_enable(); - - /* endless idle loop with no priority at all */ - while (1) { - rcu_idle_enter(); - while (!need_resched()) - platform_idle(); - rcu_idle_exit(); - schedule_preempt_disabled(); - } + platform_idle(); } /*