From patchwork Fri Feb 3 22:05:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josh Poimboeuf X-Patchwork-Id: 52672 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp1080095wrn; Fri, 3 Feb 2023 14:07:42 -0800 (PST) X-Google-Smtp-Source: AK7set/qdr2w3nY7z1cVm5WLMVCA6GCcJMiovW4XyoKH+vwsQEVxaP0M5AM4wR2RFNGdY3RtgNu8 X-Received: by 2002:a05:6a20:7fa0:b0:bc:c2a0:7811 with SMTP id d32-20020a056a207fa000b000bcc2a07811mr17084184pzj.48.1675462061693; Fri, 03 Feb 2023 14:07:41 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1675462061; cv=none; d=google.com; s=arc-20160816; b=md8eyJKU4BVu+CkFXGX703LSQEsJC7vyD+Pj3COuQGGeI/R59VV7UDG5QT7dug/P+i RWlzYUJV9MeWZl7T9mJn4qXPSZJvyaQLeYHfZ7TA+SW8QUpV2lYOFGXlJlpv/eYdXMRd vKggnY50mLiEMdzQmTpu27LzOBLonWJDzNWuX2vz222M0hyS47yNoUwI0Uzuit98tqGs pLI3qYblMsML5p4Ksg0iFbRgNUNDdXrcCMxMxENgxGbXyvPlWLLalWLa+yYZPbW/oJ4H 9qbrkv6/IrAIjFikH/Tfhox5eB4FdYn8EIH2bl+eCfUSpB+iH6cXSzPsVVEk3U+dzQ+R lT6w== 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=7Dymd7p1LwrWQL4lstrHyi9fZFZzQCgb9n6zhYAkh7Y=; b=IiC2tsOuDhLbvq5Z+vAJwueORtkm3fFQO+S52Kemlksy1OGrvKO6oSETUcLFEi+0RO 47S5y/3L+6YqdWqw5dYS7ntsqbUYhH/84N4aG0jJsbCVKr7qatD4tkU68KPvCR7D00Cn +skCIoC2XHWj1ykUzoazipQQZErYBtfqICvoOXARV0ALpiVxgbiWaF/4r83hMBYHDzJt uBl4TAU4NBgmBeZ+2E5byCTvCuvjhxh7fT4GuTUYHpBVofxaLIXp1FptGtuBq8VdiFrv poSu01xZXehsaXvqp0LztFt0OjnZVjgsn3v8LKowrW0Y8EWLx9IzI51LrrhnQCYu2oVy cqlw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=KXcNjXr1; 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 w5-20020a63a745000000b004e1bf0dbe7esi3688159pgo.477.2023.02.03.14.07.29; Fri, 03 Feb 2023 14:07:41 -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=KXcNjXr1; 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 S233456AbjBCWGd (ORCPT + 99 others); Fri, 3 Feb 2023 17:06:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56446 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233944AbjBCWF4 (ORCPT ); Fri, 3 Feb 2023 17:05:56 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2BC74AE863; Fri, 3 Feb 2023 14:05:55 -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 ams.source.kernel.org (Postfix) with ESMTPS id D7CDFB82C2C; Fri, 3 Feb 2023 22:05:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C77A1C433AC; Fri, 3 Feb 2023 22:05:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1675461952; bh=RidcRJTauwsqeDLmerjxLqYVUI6XglY5CdcD8pSGztk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KXcNjXr1EZwGdeCXF6ct6qrEpj3XinY2X/TflAyD28fSnn1mIajf3vnubeZTGtUQl l0yW410nwCLxoQgmdOi/cbdDfcTaTxEU5p3jduOutHsGegq8ZkNTFQpISTnoZsLy+P QJnNOP7BHtikfMhdewJX2qeGyqyndO4WiZFm7Hw5CT9gPoXGP1c8PNd9LJWkPnyEf5 hkukFHzBIj0I5cMXibGKpPgHvkLlY++ZIYHcgNg8m5O45ONtbFtyexgjlNUBk3ArXY 2hvh9/Uq9Yk9bB50FB/IDGjk6U8WNpCVvt4vC6pZpbS7VMSsHlXGeiL3pK6jZtLrun QX2FcRMDD2dFQ== 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 06/22] ia64/cpu: Mark play_dead() __noreturn Date: Fri, 3 Feb 2023 14:05:15 -0800 Message-Id: <23142556bf02b84f108e17cda731d48449ce1532.1675461757.git.jpoimboe@kernel.org> 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?1756849307034102172?= X-GMAIL-MSGID: =?utf-8?q?1756849307034102172?= play_dead() doesn't return. Annotate it as such. By extension this also makes arch_cpu_idle_dead() noreturn. Signed-off-by: Josh Poimboeuf --- arch/ia64/kernel/process.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index f6195a0a00ae..78f5794b2dde 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -201,7 +201,7 @@ __setup("nohalt", nohalt_setup); #ifdef CONFIG_HOTPLUG_CPU /* We don't actually take CPU down, just spin without interrupts. */ -static inline void play_dead(void) +static inline void __noreturn play_dead(void) { unsigned int this_cpu = smp_processor_id(); @@ -219,7 +219,7 @@ static inline void play_dead(void) BUG(); } #else -static inline void play_dead(void) +static inline void __noreturn play_dead(void) { BUG(); }