From nobody Mon Feb 9 03:12:53 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1581080867755491.8216055552323; Fri, 7 Feb 2020 05:07:47 -0800 (PST) Received: from localhost ([::1]:56178 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j03MI-0001ob-EZ for importer@patchew.org; Fri, 07 Feb 2020 08:07:46 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:54195) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j03Kn-0000Ek-8O for qemu-devel@nongnu.org; Fri, 07 Feb 2020 08:06:14 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j03Km-0007yy-7I for qemu-devel@nongnu.org; Fri, 07 Feb 2020 08:06:13 -0500 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:57174 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j03Km-0007yQ-38 for qemu-devel@nongnu.org; Fri, 07 Feb 2020 08:06:12 -0500 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-229-0GYQxoM5N3mjwWsInLhiGg-1; Fri, 07 Feb 2020 08:06:08 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 62BF51081FA2; Fri, 7 Feb 2020 13:06:04 +0000 (UTC) Received: from x1w.redhat.com (ovpn-204-120.brq.redhat.com [10.40.204.120]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6938E5C28C; Fri, 7 Feb 2020 13:05:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1581080771; 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=G95PTwCCtptgBScLxDFzyGKSIIGgkKDhimn6aS+h6BE=; b=APWoxhON+Ldd+AxFkT73/PEufnK/1IzT+CZgD4oE5+euAMIWDIO7AM5BERGixkHFVjKgxM Tw2lhUp7iynRsQu8GXwivxq2KiOzm8tbX+gNdIMaF9DDwwQJSzrb/tVqzm9c05cMH2ARbl S/EU149LzO34DgrOzOb4Jwi/sQWf4FA= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v3 3/3] vl: Abort if multiple machines are registered as default Date: Fri, 7 Feb 2020 14:04:53 +0100 Message-Id: <20200207130453.16666-4-philmd@redhat.com> In-Reply-To: <20200207130453.16666-1-philmd@redhat.com> References: <20200207130453.16666-1-philmd@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-MC-Unique: 0GYQxoM5N3mjwWsInLhiGg-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 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: Chris Wulff , Sagar Karandikar , David Hildenbrand , Anthony Green , Mark Cave-Ayland , Alistair Francis , "Edgar E. Iglesias" , Guan Xuetao , Marek Vasut , Jia Liu , qemu-trivial@nongnu.org, Helge Deller , "Michael S. Tsirkin" , Magnus Damm , Halil Pasic , Christian Borntraeger , Palmer Dabbelt , Aleksandar Rikalo , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Artyom Tarasenko , Eduardo Habkost , Richard Henderson , qemu-s390x@nongnu.org, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Stafford Horne , David Gibson , qemu-riscv@nongnu.org, Thomas Huth , Bastian Koppelmann , Cornelia Huck , Laurent Vivier , Michael Walle , qemu-ppc@nongnu.org, Aleksandar Markovic , Paolo Bonzini , Aurelien Jarno Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" It would be confusing to have multiple default machines. Abort if this ever occurs. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- v2: Use assert() instead of human friendly message (Marc-Andr=C3=A9) Cc: Marc-Andr=C3=A9 Lureau Cc: Laurent Vivier --- vl.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/vl.c b/vl.c index 7dcb0879c4..b3e0f7af25 100644 --- a/vl.c +++ b/vl.c @@ -2354,6 +2354,8 @@ static MachineClass *machine_parse(const char *name, = GSList *machines) GSList *el; =20 if (is_help_option(name)) { + int default_count =3D 0; + printf("Supported machines are:\n"); machines =3D g_slist_sort(machines, machine_class_cmp); for (el =3D machines; el; el =3D el->next) { @@ -2364,7 +2366,9 @@ static MachineClass *machine_parse(const char *name, = GSList *machines) printf("%-20s %s%s%s\n", mc->name, mc->desc, mc->is_default ? " (default)" : "", mc->deprecation_reason ? " (deprecated)" : ""); + default_count +=3D !!mc->is_default; } + assert(default_count <=3D 1); exit(0); } =20 --=20 2.21.1