From patchwork Tue Feb 14 07:05:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josh Poimboeuf X-Patchwork-Id: 13139496 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 7EEC7C61DA4 for ; Tue, 14 Feb 2023 07:08:43 +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=vn2E7ahy40W7g7in04o85RpFUZjdzO6eKZSOMev9FsA=; b=DsxpXV1QTIeZJz CQt0D/ZIaxPT2ErDa+5vgvMIRn3yQHownNH1jI0cwQNhDhYgjtlv/0Irqj5vXWzIpPZ/Qlu4V5Ex5 A5uqpTis5/I7LnETNyJ3XjQGfPGBxw+FyGmZAu8y1lD1lRGAzgIzDpxrMawia4NGtWgLsy5dIt1Zo 7/meFvVYeuCObONIVVaRMMWv5e51Amxs2RjRqmBhGRpU0blNPwj8NE48hRRVPApx4+QbQrxJH2aB3 D8NZNDK4p83if2ZpvqgUk7ceDbascVbxoh8sPcowlsp8CFNk+hqfzo3tS5lunExKmuwjDQnM9DeIf z8cgAYrIizYBkNvSzSKg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pRpPg-0008HY-NC; Tue, 14 Feb 2023 07:07:40 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pRpOz-0007nA-Rv for linux-arm-kernel@lists.infradead.org; Tue, 14 Feb 2023 07:06:59 +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 37698B81BFB; Tue, 14 Feb 2023 07:06:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 31830C433AC; Tue, 14 Feb 2023 07:06:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1676358415; bh=oKr+64PCQbKmVhIylAaRqnfLnM47aB4SsgpB++1picw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uWSwmz7maJITaav1CLWBhY0wq77E2TQEFKj9SKI7oT4oMpxVqb3lnDG9f8hCIs7vx HVTVUNH/CEB+xnKwRtPrWXCjjXX2QoZ6agft9A4TFcEbpCpKEzT26/mEGxqnQiz95o zkfcQQxa8cvlxnYRQYWNZohgh7gKqA1EEVTuJI/igRwz7PuH4itxjP9aX6J5xm6WHv AqE4y1+HEUJO8h2TaNm+RWH5Twq/9S9n93G3vmmCUYhVhMNLRNmz8AdGFdTOEjqc58 eqx4YmZwfXjO7QxwI0rh92vrbJzEUVkWPecbQGWlfLvjGw76DlG8tSDV49G6oiOOzu wAL7TpohQ8anw== 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 04/24] arm64/cpu: Mark cpu_die() __noreturn Date: Mon, 13 Feb 2023 23:05:38 -0800 Message-Id: X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230213_230658_071052_4676DE5B X-CRM114-Status: GOOD ( 10.70 ) 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)