From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC859C4361B for ; Fri, 11 Dec 2020 15:27:34 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6A2C822D73 for ; Fri, 11 Dec 2020 15:27:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6A2C822D73 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:48448 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1knkKT-0007F3-Ex for qemu-devel@archiver.kernel.org; Fri, 11 Dec 2020 10:27:33 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:53148) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1knkHu-0004dU-5f for qemu-devel@nongnu.org; Fri, 11 Dec 2020 10:24:54 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:52388) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1knkHp-00062s-Ep for qemu-devel@nongnu.org; Fri, 11 Dec 2020 10:24:50 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1607700287; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+Z0RQvRtJ7hMk7gfMe6Bddm/jnUXve9GIhF/VDyih1Y=; b=GXfNl3nkC6T5uto6Nueb549i2nsadDqQDzIaqHdqGL71it+TRh/mwTDr2sDry+z0WWFBuv 0WmIyF5Fq4xleVv1r5oeAAn7GeSFo3fJoxFrg/ykmhBN7YiinRQ1ERVlaIfiWhAwvk4OCe rMobJ/VBsRudPot0BKtjvt0RbDIZAN8= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-463-tS0UXVGXN-K0Oegk_Wew2Q-1; Fri, 11 Dec 2020 10:24:45 -0500 X-MC-Unique: tS0UXVGXN-K0Oegk_Wew2Q-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2B125800D53; Fri, 11 Dec 2020 15:24:44 +0000 (UTC) Received: from thuth.com (ovpn-113-76.ams2.redhat.com [10.36.113.76]) by smtp.corp.redhat.com (Postfix) with ESMTP id B669D10016FE; Fri, 11 Dec 2020 15:24:42 +0000 (UTC) From: Thomas Huth To: Peter Maydell , qemu-devel@nongnu.org Subject: [PATCH 07/12] accel/tcg/user-exec: silence the compiler warnings Date: Fri, 11 Dec 2020 16:24:21 +0100 Message-Id: <20201211152426.350966-8-thuth@redhat.com> In-Reply-To: <20201211152426.350966-1-thuth@redhat.com> References: <20201211152426.350966-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=thuth@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chen Qun , Richard Henderson , Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Chen Qun When using -Wimplicit-fallthrough in our CFLAGS, the compiler showed warning: ../accel/tcg/user-exec.c: In function ‘handle_cpu_signal’: ../accel/tcg/user-exec.c:169:13: warning: this statement may fall through [-Wimplicit-fallthrough=] 169 | cpu_exit_tb_from_sighandler(cpu, old_set); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../accel/tcg/user-exec.c:172:9: note: here 172 | default: Mark the cpu_exit_tb_from_sighandler() function with QEMU_NORETURN to fix it. Reported-by: Euler Robot Signed-off-by: Chen Qun Reviewed-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Thomas Huth Message-Id: <20201030004046.2191790-4-kuhn.chenqun@huawei.com> Reviewed-by: Alex Bennée Signed-off-by: Thomas Huth --- accel/tcg/user-exec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index 4ebe25461a..293ee86ea4 100644 --- a/accel/tcg/user-exec.c +++ b/accel/tcg/user-exec.c @@ -49,7 +49,8 @@ __thread uintptr_t helper_retaddr; /* exit the current TB from a signal handler. The host registers are restored in a state compatible with the CPU emulator */ -static void cpu_exit_tb_from_sighandler(CPUState *cpu, sigset_t *old_set) +static void QEMU_NORETURN cpu_exit_tb_from_sighandler(CPUState *cpu, + sigset_t *old_set) { /* XXX: use siglongjmp ? */ sigprocmask(SIG_SETMASK, old_set, NULL); -- 2.27.0