From patchwork Tue Feb 14 07:05:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josh Poimboeuf X-Patchwork-Id: 56710 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp2811074wrn; Mon, 13 Feb 2023 23:09:47 -0800 (PST) X-Google-Smtp-Source: AK7set8ghlI1hSVyWKTbLhgffdFj/ysaN4MaxW0Fs/CnjItHGZsstQ1g6kRa5OvbQkpvNsX1HOSo X-Received: by 2002:a17:906:ecb2:b0:878:5372:a34b with SMTP id qh18-20020a170906ecb200b008785372a34bmr1498896ejb.45.1676358587043; Mon, 13 Feb 2023 23:09:47 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1676358587; cv=none; d=google.com; s=arc-20160816; b=pJUM5Vgwq8WpwQoYuPhKc6dnz0m03SwEtWZDBaxutePwZjb72zL+Ty3SIZMMgcJs4i jFdtmSNq8rk5wF2w/weVhVI2rfu/9uetZj8Tc33SLgUbZhOp7nOSWROxxriX2ta45crE RocunPkA1iPUaOUfEjb/gp9LGlxX5l/z2BaclN1Dp3ESqm8wGJaBxDQz9aUGFmjIEBaI lFHzzHZK2V7ClhkPr+xEpx6kBVZSE2SL+PlUvuhHpaHtaA5Bdr79hO/jY0qcS4d3Kb+Q 8EvCIi7bkFuuQHWN7UFIe6xRHbwpV5EXLH2ZV3oXbdQTJzwivNxUnqr2AwJLkdln5I2X YFjw== 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=+IyzggctjsIZczrAI/hLy1KCT7aYWeRpNA0WKuLbDOs=; b=Omm6i/wi9jO8hZGuv94Fj9nFDilIM0x6tG5Yd6w8pO8jrKlHC4h1Z4rd8WiUPfNF+j ftPOHI6Ec3+xrgh/EBqiOvjNNPRR8EcYmQV7FDHpC+L8g0Ki4H95tsnZ0Jwc3T3KSyy5 OCP7lm9vWB2RQdK4BTKWpWG7zucGWYR+DpyILXBJvU0L6d+fk5X9vrCbmqcMF4gIpgiE abC0HBTCch3mIfKQbbvjglcUdcoFivQx7m/SVm5CvXqt6jX6ZPQbpIjO1iXs8p+WiULk f8C+b7G5POdH+3INRpPLQGY6jvt4FEOv/9uA4YXvUkrt+wpet7a8oQXnW+1PE7kaRFGe 1eig== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=ZJAfKz8V; 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 e6-20020a170906748600b0086f05817f39si19193990ejl.39.2023.02.13.23.09.22; Mon, 13 Feb 2023 23:09:47 -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=ZJAfKz8V; 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 S231964AbjBNHIG (ORCPT + 99 others); Tue, 14 Feb 2023 02:08:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231843AbjBNHHa (ORCPT ); Tue, 14 Feb 2023 02:07:30 -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 59DDD1E1E9; Mon, 13 Feb 2023 23:07:13 -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 F2D13B81C0F; Tue, 14 Feb 2023 07:07:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0FB65C433AA; Tue, 14 Feb 2023 07:07:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1676358430; bh=u65MWf1uVeHIl30gAKDo2aE5QNS7tuwQzlQSMBdo3oU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZJAfKz8V7gxrEQeEM2FOq72HpVAthk3QdF2F+SrcqlVX34YG0N79sAPGnZv8WeBzA 76TFko1eEZ5v2I+9grCE6Qbuy8g/An1sSN/pqh8sGbKulDZ+OdvV5I32K2EsB2KGN+ YvZIr3GI4PYP4je8w6RaZtwlKf8cQUWS3DTXfmX8KZN6JjORkYoCbbxs8pfkrsDge3 ENl3ldF/KS+naTsLAh9tTgnTmn9uA0x4CcHu1zxnhNokt9ukTeZBmxxhckIIeLWoyX Ral+PK9l+ZQ7aeh6LxXkCJ1lwUF0E+dd5+Z2QiKEDtGqLXLo4wscBg7uQfnPK0ek17 qFVCGdkl2WYRA== 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 12/24] powerpc/cpu: Mark start_secondary_resume() __noreturn Date: Mon, 13 Feb 2023 23:05:46 -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?1757789381806180289?= X-GMAIL-MSGID: =?utf-8?q?1757789381806180289?= start_secondary_resume() doesn't return. Annotate it as such. By extension this also makes arch_cpu_idle_dead() noreturn. Acked-by: Michael Ellerman (powerpc) Signed-off-by: Josh Poimboeuf Reviewed-by: Christophe Leroy --- arch/powerpc/include/asm/smp.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index f63505d74932..cfd42ca8765c 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -66,7 +66,7 @@ void start_secondary(void *unused); extern int smp_send_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us); extern int smp_send_safe_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us); extern void smp_send_debugger_break(void); -extern void start_secondary_resume(void); +extern void __noreturn start_secondary_resume(void); extern void smp_generic_give_timebase(void); extern void smp_generic_take_timebase(void);