From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964870Ab3DHUab (ORCPT ); Mon, 8 Apr 2013 16:30:31 -0400 Received: from terminus.zytor.com ([198.137.202.10]:40794 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936058Ab3DHUaZ (ORCPT ); Mon, 8 Apr 2013 16:30:25 -0400 Date: Mon, 8 Apr 2013 13:29:43 -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, paulmck@linux.vnet.ibm.com, takata@linux-m32r.org, 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, paulmck@linux.vnet.ibm.com, tglx@linutronix.de, takata@linux-m32r.org, magnus.damm@gmail.com In-Reply-To: <20130321215234.470547189@linutronix.de> References: <20130321215234.470547189@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:smp/hotplug] m32r: Use generic idle loop Git-Commit-ID: 01436228bfefca77493efa00aa49a8b67167d4c5 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 13:29:48 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 01436228bfefca77493efa00aa49a8b67167d4c5 Gitweb: http://git.kernel.org/tip/01436228bfefca77493efa00aa49a8b67167d4c5 Author: Thomas Gleixner AuthorDate: Thu, 21 Mar 2013 22:49:48 +0100 Committer: Thomas Gleixner CommitDate: Mon, 8 Apr 2013 17:39:26 +0200 m32r: Use generic idle loop Replace the private poller. 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: Hirokazu Takata Link: http://lkml.kernel.org/r/20130321215234.470547189@linutronix.de Signed-off-by: Thomas Gleixner --- arch/m32r/Kconfig | 1 + arch/m32r/kernel/process.c | 18 ------------------ arch/m32r/kernel/smpboot.c | 2 +- 3 files changed, 2 insertions(+), 19 deletions(-) diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index bcd17b2..af814fe 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -13,6 +13,7 @@ config M32R select VIRT_TO_BUS select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW + select GENERIC_IDLE_LOOP select GENERIC_ATOMIC64 select ARCH_USES_GETTIMEOFFSET select MODULES_USE_ELF_RELA diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c index bde899e..e2d0490 100644 --- a/arch/m32r/kernel/process.c +++ b/arch/m32r/kernel/process.c @@ -47,24 +47,6 @@ unsigned long thread_saved_pc(struct task_struct *tsk) void (*pm_power_off)(void) = NULL; EXPORT_SYMBOL(pm_power_off); -/* - * 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 cpu_idle (void) -{ - /* endless idle loop with no priority at all */ - while (1) { - rcu_idle_enter(); - while (!need_resched()) - cpu_relax(); - rcu_idle_exit(); - schedule_preempt_disabled(); - } -} - void machine_restart(char *__unused) { #if defined(CONFIG_PLAT_MAPPI3) diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c index 13168a7..0ac558a 100644 --- a/arch/m32r/kernel/smpboot.c +++ b/arch/m32r/kernel/smpboot.c @@ -432,7 +432,7 @@ int __init start_secondary(void *unused) */ local_flush_tlb_all(); - cpu_idle(); + cpu_startup_entry(CPUHP_ONLINE); return 0; }