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: 13128488 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BEA9EC61DA4 for ; Fri, 3 Feb 2023 22:16:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/M7JiuGIjgYmn8iqlELltpHnHYvGlh3A0QjFLF7q8wE=; b=z+St9D1BEjAqdB Y5GmeHbzJ2ZlaWIQoXcUw/eMwx/OeZcXNLAbuImKfszl8kqNzlVga8yRKt6lk96vXdYywxG1GLJ5p ThnrtlG3Elf1rzOFXiai3t0f+xiB9K6ecBkUc8YNMlFZJFR+nd+Ua9LM0zsACkhJpdcusPcn15CAD +jIu7oZGNy0hP9A+l2ff42+3o49tctbj6P9Wet0+dT4OQ6MVveCQ2Cd+DDNOZdEA0s4ckhEMYkeHz egChmWSMypEDgg9rbwgoMbzOHimHeLOygYNBr8fT+wT4bVv14Lo/dCIEIUZ0Skwv28h68BO2G6BZ0 4o/TRed9l8wJvDr/6WiQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pO4L7-003nTG-QQ; Fri, 03 Feb 2023 22:15:26 +0000 Received: from ams.source.kernel.org ([145.40.68.75]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pO4Bq-003jfo-D5 for linux-arm-kernel@lists.infradead.org; Fri, 03 Feb 2023 22:05:53 +0000 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 0AB46B82C29; 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230203_140550_633172_7DCD11DC X-CRM114-Status: GOOD ( 10.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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)