From patchwork Mon Jan 20 05:54:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Alexander Bulekov X-Patchwork-Id: 11341031 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 19CB713A4 for ; Mon, 20 Jan 2020 05:59:46 +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 E3F582073D for ; Mon, 20 Jan 2020 05:59:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=bushare.onmicrosoft.com header.i=@bushare.onmicrosoft.com header.b="ByAs60aC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E3F582073D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bu.edu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:58900 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1itQ6C-0004SH-B1 for patchwork-qemu-devel@patchwork.kernel.org; Mon, 20 Jan 2020 00:59:44 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:35224) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1itQ1T-0006vQ-HD for qemu-devel@nongnu.org; Mon, 20 Jan 2020 00:54:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1itQ1R-0006Ku-Nv for qemu-devel@nongnu.org; Mon, 20 Jan 2020 00:54:51 -0500 Received: from mail-bn7nam10on2111.outbound.protection.outlook.com ([40.107.92.111]:52129 helo=NAM10-BN7-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1itQ1R-0006Ke-KN for qemu-devel@nongnu.org; Mon, 20 Jan 2020 00:54:49 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=UajoMDR0z0s+gIx0Difv6eGqE+d7LwvuYVy2N3L1da2nV1P7o2XzegcJQay+UTVKKTwHnoIsdXFDrtm607nCI7jXO8R7PHikryTsgm3QejbQB+jQdjQ8p51imaVHJdQ6K282fkkMmnitsug3WafWdCA+x/eOws5jIGXAG62HL/vutc6jufw57ediBI5/mnEhVxUDnXQFOoIJyyJQOj48MCVi+AQ9jZApn0vuY0VMKBoS3+JcmcVipigcUZwboHD4wB8A1x5DGCk6xEItL80bOTi14oDUXll/uMJgv8AhSwxV4TwMTgLPSNFaB1JjTLTHCVk2SorfEaOlFamQkUhNoA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Ns3uR7r40f3Hn5it1jv0Pcc2ZA1fNyAHsn2M9Jhx4kw=; b=cXOrHCC0aGCiCh5DbAFen5Pe61D3WKAzlMu4Xle9XVqR2JCELef30KQ73Suwy/1yp2JzwMaB90rs9GBLDdPWrmrNign5ZgZ2hPyghPDXQP6EJiOAX+AkjtOtcZXbGL3fvKVaUANiI3YxnB1ZIiQbSeoYzgks+hYcluH2Lc445oKq5u/UU5TW2cNU4psIvVrB1a/Rc+LaZwnsuGxyJos2XzZKZXnPJ5p+Hd7xVJq0Paa5/0l7QULxKna2SYqGYUHzmdF/+dNO1pkaWeCZ1b4ZNZE2z1s3t5AQX79zRbNXO76Tg3SeOZqVQ3rl/KhQ6OY2XTvfBdpKteZT1I8kNKTjzQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=bu.edu; dmarc=pass action=none header.from=bu.edu; dkim=pass header.d=bu.edu; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bushare.onmicrosoft.com; s=selector2-bushare-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Ns3uR7r40f3Hn5it1jv0Pcc2ZA1fNyAHsn2M9Jhx4kw=; b=ByAs60aCEqoN62BOOKTI58V9R9vNatVhdg9zWQlyp22anTalupYB/7UIARozHbRvgqWhmmsqIJH599APVZlvwy4uy5KRAmj+2kFva7V7H3tcekWoeVO/Iwyz3AXKucZB9Fn3mrocJ14W20wBBxCwwuj2pqWVHZxAfJoWwONR508= Received: from SN6PR03MB3871.namprd03.prod.outlook.com (52.135.102.32) by SN6PR03MB4399.namprd03.prod.outlook.com (20.178.6.20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2644.23; Mon, 20 Jan 2020 05:54:48 +0000 Received: from SN6PR03MB3871.namprd03.prod.outlook.com ([fe80::9c11:10cd:6e97:bbe8]) by SN6PR03MB3871.namprd03.prod.outlook.com ([fe80::9c11:10cd:6e97:bbe8%7]) with mapi id 15.20.2644.024; Mon, 20 Jan 2020 05:54:48 +0000 Received: from mozz.bu.edu (128.197.127.33) by MN2PR20CA0032.namprd20.prod.outlook.com (2603:10b6:208:e8::45) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2644.20 via Frontend Transport; Mon, 20 Jan 2020 05:54:47 +0000 From: "Bulekov, Alexander" To: "qemu-devel@nongnu.org" Subject: [PATCH v7 06/20] module: check module wasn't already initialized Thread-Topic: [PATCH v7 06/20] module: check module wasn't already initialized Thread-Index: AQHVz1YfW+Qp8n0VzEqKKJ29h5/4EA== Date: Mon, 20 Jan 2020 05:54:48 +0000 Message-ID: <20200120055410.22322-9-alxndr@bu.edu> References: <20200120055410.22322-1-alxndr@bu.edu> In-Reply-To: <20200120055410.22322-1-alxndr@bu.edu> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.23.0 x-originating-ip: [128.197.127.33] x-clientproxiedby: MN2PR20CA0032.namprd20.prod.outlook.com (2603:10b6:208:e8::45) To SN6PR03MB3871.namprd03.prod.outlook.com (2603:10b6:805:6d::32) authentication-results: spf=none (sender IP is ) smtp.mailfrom=alxndr@bu.edu; x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: ba4366fa-c1c1-4608-fef6-08d79d6d41e4 x-ms-traffictypediagnostic: SN6PR03MB4399: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:4303; x-forefront-prvs: 0288CD37D9 x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(4636009)(136003)(366004)(39860400002)(346002)(376002)(396003)(189003)(199004)(5660300002)(956004)(2616005)(8936002)(86362001)(6916009)(6486002)(7696005)(1076003)(52116002)(316002)(71200400001)(16526019)(186003)(786003)(478600001)(2906002)(26005)(81166006)(66946007)(66476007)(64756008)(36756003)(8676002)(75432002)(81156014)(66446008)(4326008)(66556008)(54906003); DIR:OUT; SFP:1102; SCL:1; SRVR:SN6PR03MB4399; H:SN6PR03MB3871.namprd03.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: bu.edu does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: RwmlOT5KGh9QR0oFE6rfZVBVw4K3qv5SRIZtZ3rwVhhKNsz59w6ybno9YEE0rTjxs3uLcY6JyA+rElN5mgbj6Q6JshUdI0ZxS7Uv5aoPBg+LZ1gOUkLTZk0CiydQwhnf4fjjWTXffFYIPCH9/F6DPUVljGl+c0Wibfy15VWC1ORP2j+RdITWFBdlSm1SUkxQD3hKI5FnSEA4IjMSXwm5ZwRUCRZsXWowvK6AzsE480CZoGms30VwIxPNgC6HBuorhxfqfuNkQbzNs1RUaCo/mP2sMVuuoAVY7Dgy/kbuCXDfBiWPnoVRGCfpBQMyI7tP0WvNd2j5E0ZsGKSJA+e2AfsY/Zak4BLdjH+wPcD0mb0Y9SRNbeIsXGtusyD+kEq/n967uiQLzCPvMZd0wnUETaNdWGcED95LZ5TDYfJIT+o0zoOZ2I8rviDRqqD5csZh Content-ID: <567CC6D7B947CD40A75121299F6039B1@namprd03.prod.outlook.com> MIME-Version: 1.0 X-OriginatorOrg: bu.edu X-MS-Exchange-CrossTenant-Network-Message-Id: ba4366fa-c1c1-4608-fef6-08d79d6d41e4 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Jan 2020 05:54:48.0766 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d57d32cc-c121-488f-b07b-dfe705680c71 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 5PGYoxb8wQ8ad23VHmisfqg51pq6R7t3NLsfvQxj3xE8+OvDTOaRNhUGN3ERSn/0 X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR03MB4399 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 40.107.92.111 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: "Bulekov, Alexander" , Darren Kenny , "bsd@redhat.com" , "stefanha@redhat.com" , "pbonzini@redhat.com" , =?utf-8?q?Philippe_Mathieu-Dau?= =?utf-8?q?d=C3=A9?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" The virtual-device fuzzer must initialize QOM, prior to running vl:qemu_init, so that it can use the qos_graph to identify the arguments required to initialize a guest for libqos-assisted fuzzing. This change prevents errors when vl:qemu_init tries to (re)initialize the previously initialized QOM module. Signed-off-by: Alexander Bulekov Reviewed-by: Stefan Hajnoczi Reviewed-by: Darren Kenny Reviewed-by: Philippe Mathieu-Daudé --- util/module.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/util/module.c b/util/module.c index 8c5315a7a3..236a7bb52a 100644 --- a/util/module.c +++ b/util/module.c @@ -30,6 +30,7 @@ typedef struct ModuleEntry typedef QTAILQ_HEAD(, ModuleEntry) ModuleTypeList; static ModuleTypeList init_type_list[MODULE_INIT_MAX]; +static bool modules_init_done[MODULE_INIT_MAX]; static ModuleTypeList dso_init_list; @@ -91,11 +92,17 @@ void module_call_init(module_init_type type) ModuleTypeList *l; ModuleEntry *e; + if (modules_init_done[type]) { + return; + } + l = find_type(type); QTAILQ_FOREACH(e, l, node) { e->init(); } + + modules_init_done[type] = true; } #ifdef CONFIG_MODULES