Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753482Ab2EUGCF (ORCPT ); Mon, 21 May 2012 02:02:05 -0400 Received: from mail-wi0-f172.google.com ([209.85.212.172]:37552 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750746Ab2EUGCC (ORCPT ); Mon, 21 May 2012 02:02:02 -0400 From: Yong Zhang To: linux-mips@linux-mips.org, linux-kernel@vger.kernel.org Cc: ralf@linux-mips.org, sshtylyov@mvista.com, david.daney@cavium.com Subject: [PATCH 6/8] MIPS: call set_cpu_online() on the uping cpu with irq disabled Date: Mon, 21 May 2012 14:00:06 +0800 Message-Id: <1337580008-7280-7-git-send-email-yong.zhang0@gmail.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1337580008-7280-1-git-send-email-yong.zhang0@gmail.com> References: <1337580008-7280-1-git-send-email-yong.zhang0@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1241 Lines: 43 From: Yong Zhang To prevent a problem as commit 5fbd036b [sched: Cleanup cpu_active madness] and commit 2baab4e9 [sched: Fix select_fallback_rq() vs cpu_active/cpu_online] try to resolve, move set_cpu_online() to the brought up CPU and with irq disabled. Signed-off-by: Yong Zhang Acked-by: David Daney --- arch/mips/kernel/smp.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 73a268a..042145f 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -122,6 +122,8 @@ asmlinkage __cpuinit void start_secondary(void) notify_cpu_starting(cpu); + set_cpu_online(cpu, true); + set_cpu_sibling_map(cpu); cpu_set(cpu, cpu_callin_map); @@ -249,8 +251,6 @@ int __cpuinit __cpu_up(unsigned int cpu) while (!cpu_isset(cpu, cpu_callin_map)) udelay(100); - set_cpu_online(cpu, true); - return 0; } -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/