From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754449Ab2D1JP1 (ORCPT ); Sat, 28 Apr 2012 05:15:27 -0400 Received: from terminus.zytor.com ([198.137.202.10]:44515 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751259Ab2D1JPY (ORCPT ); Sat, 28 Apr 2012 05:15:24 -0400 Date: Sat, 28 Apr 2012 02:15:06 -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, peterz@infradead.org, srivatsa.bhat@linux.vnet.ibm.com, paulmck@linux.vnet.ibm.com, mattst88@gmail.com, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, rusty@rustcorp.com.au, peterz@infradead.org, srivatsa.bhat@linux.vnet.ibm.com, paulmck@linux.vnet.ibm.com, mattst88@gmail.com, tglx@linutronix.de In-Reply-To: <20120420124557.914631081@linutronix.de> References: <20120420124557.914631081@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:smp/hotplug] alpha: Use generic idle thread allocation Git-Commit-ID: 2ec9415c71a1ddad969602e690a9c848b81256b3 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-4.2.6 (terminus.zytor.com [127.0.0.1]); Sat, 28 Apr 2012 02:15:11 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 2ec9415c71a1ddad969602e690a9c848b81256b3 Gitweb: http://git.kernel.org/tip/2ec9415c71a1ddad969602e690a9c848b81256b3 Author: Thomas Gleixner AuthorDate: Fri, 20 Apr 2012 13:05:55 +0000 Committer: Thomas Gleixner CommitDate: Thu, 26 Apr 2012 12:06:12 +0200 alpha: Use generic idle thread allocation Signed-off-by: Thomas Gleixner Cc: Peter Zijlstra Cc: Rusty Russell Cc: Paul E. McKenney Cc: Srivatsa S. Bhat Cc: Matt Turner Link: http://lkml.kernel.org/r/20120420124557.914631081@linutronix.de --- arch/alpha/Kconfig | 1 + arch/alpha/kernel/smp.c | 18 ++---------------- 2 files changed, 3 insertions(+), 16 deletions(-) diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 56a4df9..991b8bb 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -15,6 +15,7 @@ config ALPHA select GENERIC_IRQ_SHOW select ARCH_WANT_OPTIONAL_GPIOLIB select ARCH_HAVE_NMI_SAFE_CMPXCHG + select GENERIC_SMP_IDLE_THREAD help The Alpha is a 64-bit general-purpose processor designed and marketed by the Digital Equipment Corporation of blessed memory, diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 68d3947..35ddc02 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -357,24 +357,10 @@ secondary_cpu_start(int cpuid, struct task_struct *idle) * Bring one cpu online. */ static int __cpuinit -smp_boot_one_cpu(int cpuid) +smp_boot_one_cpu(int cpuid, struct task_struct *idle) { - struct task_struct *idle; unsigned long timeout; - /* Cook up an idler for this guy. Note that the address we - give to kernel_thread is irrelevant -- it's going to start - where HWRPB.CPU_restart says to start. But this gets all - the other task-y sort of data structures set up like we - wish. We can't use kernel_thread since we must avoid - rescheduling the child. */ - idle = fork_idle(cpuid); - if (IS_ERR(idle)) - panic("failed fork for CPU %d", cpuid); - - DBGS(("smp_boot_one_cpu: CPU %d state 0x%lx flags 0x%lx\n", - cpuid, idle->state, idle->flags)); - /* Signal the secondary to wait a moment. */ smp_secondary_alive = -1; @@ -489,7 +475,7 @@ smp_prepare_boot_cpu(void) int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle) { - smp_boot_one_cpu(cpu); + smp_boot_one_cpu(cpu, tidle); return cpu_online(cpu) ? 0 : -ENOSYS; }