From patchwork Tue Feb 14 07:05:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Josh Poimboeuf X-Patchwork-Id: 56715 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp2811226wrn; Mon, 13 Feb 2023 23:10:07 -0800 (PST) X-Google-Smtp-Source: AK7set/1axN9+xZ6CzZRa5kzf9bBOwo34mrTM065HMITNt7Li7GcVAWkK8bHRC2xhdSLu4IuAz0m X-Received: by 2002:a17:906:730b:b0:886:50d:be8d with SMTP id di11-20020a170906730b00b00886050dbe8dmr3349398ejc.13.1676358606785; Mon, 13 Feb 2023 23:10:06 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1676358606; cv=none; d=google.com; s=arc-20160816; b=ea6cWE2J1ZuqzXc+osDnlQTiumIyx+mrJ6BXwFMH3//VjdnTGse3t2x/QfRTeQaoed Oce+oc2pH4NcucJHnEEszW4Ox59e0NsVpHq65Lo3X39bj1p2FH9OrUksXyG5aJJdkOUe ZCW+NHL7eKHURYeR+AHxfw/GKPvcIaUTNKMdll0ZeX+LLzDCHynS78sL0UOBWyNHLVxC 59f1iCaeemWODR07pLlGoNVz56HYrl+qxPRYSl25g1e8b0x/sslZZN2QhSUVhg1W99sG xNoxPfvWQJgFsIi/mR15ycG/imtniYJVI6XH25Rq7NivpLBUWDzPMyjAsUAf//AsHmhe b9Lg== 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=jy7fmXQk84qYWCaNUPK6zRZt/RAUWND173kxH2YBO4I=; b=nfMeFk7SyMsV0jE+jvvV8EABW7zqX1f+oToO4YPqkLxW7ZroiOBuYU8HjV1B8qKwTh qBOKU5UCycX0Uz9vTIWb47jUoYXdDQQlMAHu4+UMLUi7pgiMoK/slhQqiW0/kkLOJY4y Gx49DndShER8A4r5hs5jrHZ7fAOmzymQRKaNvTwFO8cXMOlI46wPmseCGeVEueXooXD2 7/YOKtl+66mqZSc77NiOjWjgSgKAm9MolPUkM/KXgb4RDzI/TCc6DoYcHBImVBQIIprM RGdBZhVWB5/5zBcCu0/GDwbehJQG7717kXQU4bv/aOD1ZvzcpqcML0ODfzkIdHshc7s5 2UNg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=lSg8bVoi; 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 mr40-20020a17090782a800b0086d67b0615esi16504932ejc.242.2023.02.13.23.09.43; Mon, 13 Feb 2023 23:10:06 -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=lSg8bVoi; 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 S232018AbjBNHJB (ORCPT + 99 others); Tue, 14 Feb 2023 02:09:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51684 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231830AbjBNHHn (ORCPT ); Tue, 14 Feb 2023 02:07:43 -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 C680D1E2A5; Mon, 13 Feb 2023 23:07:22 -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 3362E61470; Tue, 14 Feb 2023 07:07:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E12C5C433A7; Tue, 14 Feb 2023 07:06:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1676358419; bh=3mR91vFTYi4rZMGRYXhJgaTgkFrCc+v4wRJPGBILCHc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lSg8bVoi1sh/I6LONG4iulI3+H5Ch/fv8oDbHX3Iz0jLvADbdNJ6D9Sz4m9UcKyBI u8j3EjXkJ36I1pjLPkbtpMMmXURLhpf0+V6yaLVf1isw74nA6CnSOlvkxRCip1ngGU 95eXUsVxMrlU6SstBN4ziVQPwIQ8/17wMlV2LoZUpRs3AjK1TEzUHxr9L1Unx2Bc2c iPW6u9juO9foAwGO5JJByMvXfPQB1Lpxb4CcPYBA8FAJBUrIQBu6A2r//KGsu7LfUt 1HyKwkSfkaRwk/DdZ7zy/c/F59Cd3SGJj/k7oluBq9g8jtnPj9mSreXUy0dUR7bYBo 6iq/gvWezobbQ== 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 06/24] ia64/cpu: Mark play_dead() __noreturn Date: Mon, 13 Feb 2023 23:05:40 -0800 Message-Id: <7575bb38417bd8bcb5be980443f99cab29319342.1676358308.git.jpoimboe@kernel.org> 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?1757789402204353333?= X-GMAIL-MSGID: =?utf-8?q?1757789402204353333?= play_dead() doesn't return. Annotate it as such. By extension this also makes arch_cpu_idle_dead() noreturn. Signed-off-by: Josh Poimboeuf Reviewed-by: Philippe Mathieu-Daudé --- 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(); }