From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CA63C54FCE for ; Mon, 23 Mar 2020 13:51:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5E6512072D for ; Mon, 23 Mar 2020 13:51:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728598AbgCWNvb (ORCPT ); Mon, 23 Mar 2020 09:51:31 -0400 Received: from foss.arm.com ([217.140.110.172]:49482 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728580AbgCWNva (ORCPT ); Mon, 23 Mar 2020 09:51:30 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 1170D1045; Mon, 23 Mar 2020 06:51:30 -0700 (PDT) Received: from e107158-lin.cambridge.arm.com (e107158-lin.cambridge.arm.com [10.1.195.21]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 2D5223F52E; Mon, 23 Mar 2020 06:51:29 -0700 (PDT) From: Qais Yousef To: Thomas Gleixner Cc: linux-kernel@vger.kernel.org, Qais Yousef , Tony Luck , Fenghua Yu , linux-ia64@vger.kernel.org Subject: [PATCH v4 03/17] ia64: Replace cpu_down with smp_shutdown_nonboot_cpus() Date: Mon, 23 Mar 2020 13:50:56 +0000 Message-Id: <20200323135110.30522-4-qais.yousef@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200323135110.30522-1-qais.yousef@arm.com> References: <20200323135110.30522-1-qais.yousef@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use the new smp_shutdown_nonboot_cpus() instead of open coding using cpu_down() directly. Use reboot_cpu instead of hardcoding the boot CPU to 0. This also prepares to make cpu_up/down a private interface for anything but the cpu subsystem. Signed-off-by: Qais Yousef CC: Tony Luck CC: Fenghua Yu CC: linux-ia64@vger.kernel.org CC: linux-kernel@vger.kernel.org --- arch/ia64/kernel/process.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index 968b5f33e725..bf4c0cdb7a25 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -646,14 +646,8 @@ cpu_halt (void) void machine_shutdown(void) { -#ifdef CONFIG_HOTPLUG_CPU - int cpu; + smp_shutdown_nonboot_cpus(reboot_cpu); - for_each_online_cpu(cpu) { - if (cpu != smp_processor_id()) - cpu_down(cpu); - } -#endif #ifdef CONFIG_KEXEC kexec_disable_iosapic(); #endif -- 2.17.1