From patchwork Fri Feb 3 22:05:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josh Poimboeuf X-Patchwork-Id: 52681 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp1080493wrn; Fri, 3 Feb 2023 14:08:41 -0800 (PST) X-Google-Smtp-Source: AK7set+FQZUzwnxtXEU1gR0w/cRn2aUNIihLvZnWfrgOhXAuH+hj0BzbdxOtaG7as3xwsxsKxPcQ X-Received: by 2002:a05:6a20:aa93:b0:bd:c7b2:725e with SMTP id ck19-20020a056a20aa9300b000bdc7b2725emr10683382pzb.22.1675462121074; Fri, 03 Feb 2023 14:08:41 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1675462121; cv=none; d=google.com; s=arc-20160816; b=R99tJ3DRFhpNOIbhCBY8AYMMdxpkKP6WxFDpcF/8nQ9gXosqBcXyrVQsOmx5dQDNVH gN+t3NgzL/WhkrMAiJXIRzId76gIYe6Ls5scCemdu8Zn0K9UTVYeqj4v9ZTDyI9gDimF YTKkvSzeVA2nSABmS3gwtcb1IIjymszkaLw9TURGn2tb5JB6+DilzP6gHh5n19Hv5YRN 0mkTf+Wy2HZsahUpjZGPoA89bBIihbGk6SIav8+YhdaY4hKYdD2kmT/f9hEgh8oZzjDI mVudeGLczjpYoi1WlyVV3XaeEWyTCAlYoOpZQ4xDTDi1HbcAiBpXhjJkeYdFPukSeZ6W 0Siw== 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=vfwwCAaEnFOVl7QXDi/38mMgtopLSSoi0IfOCPAEG2M=; b=gKWMAamnWH4NaUme9c7835awFEcps44WRu1zFR9hgT8fA1NOsoBLMMn2Xme53T4ISt ATPSbeBekcTGJDAMfClJ28NXHl6i8SxCGuQ8yj90GTMmfe2TT5dt/PdhdbWbdFqdoh8k 2BYAk6fcUEC+UwS1Ekprry6Hxpv5QKQP4EhHnrAEjNdfllSijsfTYzyQotKsJsTAKh/8 p0zMOdb9XtQeSRok8BD2sONnP/npsPbybLY/Rh3YZLleRPXGa744X2yFY8HDpstYWVdG mE5yAZiLjSePGRS3gO8rx6tB2ijaV9tVRN7KaCZs/D7kYSk8tqluUbvP4Lskud03RDyJ PqvA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=mDs+6rDG; 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 t30-20020a63b25e000000b004cf0cc0dc35si3817132pgo.874.2023.02.03.14.08.28; Fri, 03 Feb 2023 14:08:41 -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=mDs+6rDG; 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 S232593AbjBCWGB (ORCPT + 99 others); Fri, 3 Feb 2023 17:06:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230114AbjBCWFv (ORCPT ); Fri, 3 Feb 2023 17:05:51 -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 E8FDCA77BC; Fri, 3 Feb 2023 14:05:49 -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 4667F62024; Fri, 3 Feb 2023 22:05:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F222EC433A7; Fri, 3 Feb 2023 22:05:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1675461948; bh=IUG7346ru2LIaCtxjax/xlHvBhlssHCzq8SttudiekY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mDs+6rDG1dzYFDAxIKMUYCPpuI8xVxCk4vK7vY7SgBBbS+9M4fpuTaBD9RlOR4IpY 5NXqrjuw9ORKV94tm3vuwmSTrBJxoFJCTyK0InA92qEFqLJwQgCoGOouJ+2PtAAGkB tywZI2GzgHL8sm2n0h5hvEG303bBDNv1IbORapWkTJr9KSjXUHNAj+2yMiIMNQdWSe UL3lPmOXr1Dvb5uH4eKO4vP0s+38mGzfgCc7Dw5nVS3fnY1BCp6vQo477htt3OULlx 6ruyxQleCq0SasoQbj3h1mZCK0oMuduqz7cDOi0p2JVDR54NP7OttRvDrXst1X78to FA+WZR+13rHMw== 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 04/22] arm64/cpu: Mark cpu_die() __noreturn Date: Fri, 3 Feb 2023 14:05:13 -0800 Message-Id: X-Mailer: git-send-email 2.39.0 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?1756849369318729487?= X-GMAIL-MSGID: =?utf-8?q?1756849369318729487?= cpu_die() doesn't return. Annotate it as such. By extension this also makes arch_cpu_idle_dead() noreturn. Signed-off-by: Josh Poimboeuf --- arch/arm64/include/asm/smp.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h index fc55f5a57a06..5733a31bab08 100644 --- a/arch/arm64/include/asm/smp.h +++ b/arch/arm64/include/asm/smp.h @@ -100,7 +100,7 @@ static inline void arch_send_wakeup_ipi_mask(const struct cpumask *mask) extern int __cpu_disable(void); extern void __cpu_die(unsigned int cpu); -extern void cpu_die(void); +extern void __noreturn cpu_die(void); extern void cpu_die_early(void); static inline void cpu_park_loop(void)