From patchwork Tue Feb 14 07:05:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josh Poimboeuf X-Patchwork-Id: 56719 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp2811487wrn; Mon, 13 Feb 2023 23:10:43 -0800 (PST) X-Google-Smtp-Source: AK7set9tym2I8zsq/DwJBQGrkBzdHN1wAcDNyBUqVSthXx3AueeRauJAX2HxURxhMSRDIZUrH/tB X-Received: by 2002:a17:906:b4e:b0:8b1:30da:b586 with SMTP id v14-20020a1709060b4e00b008b130dab586mr904043ejg.49.1676358643486; Mon, 13 Feb 2023 23:10:43 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1676358643; cv=none; d=google.com; s=arc-20160816; b=CocICvFDj1ORQQqz4ffinqPUozVv+XUtWmrvnoIEUmH1WdLuw2vSGEf4SKarGZocUd r9/h43Qq+gBR+J3LwTBkGH2VdxCExXWyx3pdhy7oLdAfB1E8X1CDq6JQGNksunnYcw4o l4rW0poWKkETHmJBKFCLGo0kj7iE88kYkaIW2E2MUWCyTxIGKhz6gc8vXNmhQljQvQp2 ZW7X494qW5YyK0ItSlVbvZXzLzkaB9rAGFgwrqgG1QtJ3xNePsE94ai4e9av1KMAcsC2 cuAZEqNBI0xtyruH2U4D34wS7Xt8CpV3UjcB5aF4uG6uOpcthzM0+KMcYnKT9X5DIIBQ SKAg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=VsjVujdNpWu94hgHGjUXbdSKqi+e6pezRzQRbPecDIc=; b=uQHseMu3xYpq2mObZ2q1ICgknzjX2GWCTFpA7psKTsC4QDBPx8mwtEzA2bINpoGjTT 2JuwRY2U9CHllp72mL0PfRu4/jrYN7Z/KFoT4g2e/+JKoZi6IuzoAGqyq6EISRiJedDE GpCCs45KxVO877sk2NQFPVRf35Ej8hCO5l4oBPM4fodxMqAq7AsmRfaRdYArdpbMYmTG CYH58b7Und/NwjNbkk7Q8OxhvntI7JQN4FbKSsFVrB5hCXB52lJS6xqGjqzqBCz+LvSa P9uJnbbOK0pm2jTTKS3lJ4O4VQzmAaqPLpT9gy0t7NLyQTB7W1omF9Lthbw0dTUYHZhI leaQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=qtoom7YB; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id 30-20020a170906011e00b0089f801f770dsi19659806eje.670.2023.02.13.23.10.17; Mon, 13 Feb 2023 23:10:43 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=qtoom7YB; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231989AbjBNHJf (ORCPT + 99 others); Tue, 14 Feb 2023 02:09:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231949AbjBNHHw (ORCPT ); Tue, 14 Feb 2023 02:07:52 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6CCB1E1C6; Mon, 13 Feb 2023 23:07:26 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4DD6161467; Tue, 14 Feb 2023 07:07:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0F595C433A7; Tue, 14 Feb 2023 07:07:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1676358445; bh=1pqvhflGCMe/wrdXOMGr/PebbGgnoXhSUZ8eiEoomNs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qtoom7YBj3WBm4M85syos7pcETmxlT1MO3MRIBzB66grdniTPurXhV+aT1FnjslmP cMp8MWlimGazyrts9GCWRE8gcSjSDK92J9KS5PhgvRRjWcdrU9y1ofmCeleW/ftCC/ Wbj9tPEch8OC7fzaBaluyhN4gvUOnlPmYj2fushMqqylVs5lB0xce5ctDacvlOLhw1 gXV0gp4IRLXlK+aa4b1o04FzIlzpIDShD/Axowf7OBsRnGemMDdukKh93uEPCVtkqh aPBcMAbBB6Dy6grAZpPwHtPBnbks1EAiqjozMkYpQDepqD0nDE14RN33E32CXChkal EPgyHn2BysIww== From: Josh Poimboeuf To: linux-kernel@vger.kernel.org Cc: jgross@suse.com, richard.henderson@linaro.org, ink@jurassic.park.msu.ru, mattst88@gmail.com, linux-alpha@vger.kernel.org, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, will@kernel.org, guoren@kernel.org, linux-csky@vger.kernel.org, linux-ia64@vger.kernel.org, chenhuacai@kernel.org, kernel@xen0n.name, loongarch@lists.linux.dev, f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, tsbogend@alpha.franken.de, linux-mips@vger.kernel.org, jiaxun.yang@flygoat.com, mpe@ellerman.id.au, npiggin@gmail.com, christophe.leroy@csgroup.eu, linuxppc-dev@lists.ozlabs.org, ysato@users.sourceforge.jp, dalias@libc.org, linux-sh@vger.kernel.org, davem@davemloft.net, sparclinux@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, chris@zankel.net, jcmvbkbc@gmail.com, linux-xtensa@linux-xtensa.org, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vschneid@redhat.com, paulmck@kernel.org Subject: [PATCH v2 20/24] xtensa/cpu: Mark cpu_die() __noreturn Date: Mon, 13 Feb 2023 23:05:54 -0800 Message-Id: X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 Content-type: text/plain X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1757789440742677352?= X-GMAIL-MSGID: =?utf-8?q?1757789440742677352?= cpu_die() doesn't return. Annotate it as such. By extension this also makes arch_cpu_idle_dead() noreturn. Signed-off-by: Josh Poimboeuf Acked-by: Max Filippov --- arch/xtensa/include/asm/smp.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/xtensa/include/asm/smp.h b/arch/xtensa/include/asm/smp.h index 4e43f5643891..5dc5bf8cdd77 100644 --- a/arch/xtensa/include/asm/smp.h +++ b/arch/xtensa/include/asm/smp.h @@ -33,7 +33,7 @@ void show_ipi_list(struct seq_file *p, int prec); void __cpu_die(unsigned int cpu); int __cpu_disable(void); -void cpu_die(void); +void __noreturn cpu_die(void); void cpu_restart(void); #endif /* CONFIG_HOTPLUG_CPU */