From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935809Ab3DHUXL (ORCPT ); Mon, 8 Apr 2013 16:23:11 -0400 Received: from terminus.zytor.com ([198.137.202.10]:40636 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762769Ab3DHUXJ (ORCPT ); Mon, 8 Apr 2013 16:23:09 -0400 Date: Mon, 8 Apr 2013 13:22:29 -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, srivatsa.bhat@linux.vnet.ibm.com, msalter@redhat.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, msalter@redhat.com, paulmck@linux.vnet.ibm.com, tglx@linutronix.de, magnus.damm@gmail.com In-Reply-To: <20130321215234.087033904@linutronix.de> References: <20130321215234.087033904@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:smp/hotplug] c6x: Use generic idle loop Git-Commit-ID: e46746cd5542b74f1e34bb1b8a997c5c0a6e69ea 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 13:22:35 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: e46746cd5542b74f1e34bb1b8a997c5c0a6e69ea Gitweb: http://git.kernel.org/tip/e46746cd5542b74f1e34bb1b8a997c5c0a6e69ea Author: Thomas Gleixner AuthorDate: Thu, 21 Mar 2013 22:49:42 +0100 Committer: Thomas Gleixner CommitDate: Mon, 8 Apr 2013 17:39:24 +0200 c6x: 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: Mark Salter Link: http://lkml.kernel.org/r/20130321215234.087033904@linutronix.de Signed-off-by: Thomas Gleixner --- arch/c6x/Kconfig | 1 + arch/c6x/kernel/process.c | 28 +--------------------------- 2 files changed, 2 insertions(+), 27 deletions(-) diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig index f6a3648..af2aa4b 100644 --- a/arch/c6x/Kconfig +++ b/arch/c6x/Kconfig @@ -18,6 +18,7 @@ config C6X select OF_EARLY_FLATTREE select GENERIC_CLOCKEVENTS select MODULES_USE_ELF_RELA + select GENERIC_IDLE_LOOP config MMU def_bool n diff --git a/arch/c6x/kernel/process.c b/arch/c6x/kernel/process.c index 6434df4..57d2ea8 100644 --- a/arch/c6x/kernel/process.c +++ b/arch/c6x/kernel/process.c @@ -33,7 +33,7 @@ extern asmlinkage void ret_from_kernel_thread(void); void (*pm_power_off)(void); EXPORT_SYMBOL(pm_power_off); -static void c6x_idle(void) +void arch_cpu_idle(void) { unsigned long tmp; @@ -49,32 +49,6 @@ static void c6x_idle(void) : "=b"(tmp)); } -/* - * The idle loop for C64x - */ -void cpu_idle(void) -{ - /* endless idle loop with no priority at all */ - while (1) { - tick_nohz_idle_enter(); - rcu_idle_enter(); - while (1) { - local_irq_disable(); - if (need_resched()) { - local_irq_enable(); - break; - } - c6x_idle(); /* enables local irqs */ - } - rcu_idle_exit(); - tick_nohz_idle_exit(); - - preempt_enable_no_resched(); - schedule(); - preempt_disable(); - } -} - static void halt_loop(void) { printk(KERN_EMERG "System Halted, OK to turn off power\n");