From nobody Fri May 17 04:49:48 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=amd.com); dmarc=pass(p=quarantine dis=none) header.from=amd.com ARC-Seal: i=2; a=rsa-sha256; t=1713456470; cv=pass; d=zohomail.com; s=zohoarc; b=eMFo1ynHGJ/Skp7ezbkApHvFqKnikurCMdsR4YQ0N0JehzrytEPj02eIfl6oYJzjg5gJWTylFIcbWgXkt+XVaouTI660VAltDqu1/LQdOMlVkVtTibgeEV0ZyvhQX6rVo7dKeFNLb4KUBhKfrBxiyYfn1Ge10IEWSX7SiRjAN40= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1713456470; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=zp89nXlE484aF/SogIXg0jLTRzLzbU7LFmPbCM15Q2Q=; b=kN83xGrRNW+batz2HP6dtjIEkjTd1i4JMsv4raWDfJVuwCfCSiravQZwfT0TfzraVh5ZSwG8aQepKXw39RJWVth1P6aY37oDDcJIto3cCMa8bK1CKMuMpdv9Azb7QjoerzEfXWJy1HoYfphJM+Sl6zROeqmZZxE1tPEdKRHIPx0= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=amd.com); dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1713456470030306.1324909507266; Thu, 18 Apr 2024 09:07:50 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.708518.1107497 (Exim 4.92) (envelope-from ) id 1rxUIJ-0001wu-OM; Thu, 18 Apr 2024 16:07:27 +0000 Received: by outflank-mailman (output) from mailman id 708518.1107497; Thu, 18 Apr 2024 16:07:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1rxUIJ-0001wn-LH; Thu, 18 Apr 2024 16:07:27 +0000 Received: by outflank-mailman (input) for mailman id 708518; Thu, 18 Apr 2024 16:07:26 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1rxUII-0001wh-9b for xen-devel@lists.xenproject.org; Thu, 18 Apr 2024 16:07:26 +0000 Received: from NAM02-BN1-obe.outbound.protection.outlook.com (mail-bn1nam02on20600.outbound.protection.outlook.com [2a01:111:f403:2407::600]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id bcc8702d-fd9d-11ee-94a3-07e782e9044d; Thu, 18 Apr 2024 18:07:22 +0200 (CEST) Received: from BY5PR17CA0007.namprd17.prod.outlook.com (2603:10b6:a03:1b8::20) by IA0PR12MB7577.namprd12.prod.outlook.com (2603:10b6:208:43e::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7472.37; Thu, 18 Apr 2024 16:07:17 +0000 Received: from SJ1PEPF00001CE9.namprd03.prod.outlook.com (2603:10b6:a03:1b8:cafe::38) by BY5PR17CA0007.outlook.office365.com (2603:10b6:a03:1b8::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7495.27 via Frontend Transport; Thu, 18 Apr 2024 16:07:16 +0000 Received: from SATLEXMB03.amd.com (165.204.84.17) by SJ1PEPF00001CE9.mail.protection.outlook.com (10.167.242.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7452.22 via Frontend Transport; Thu, 18 Apr 2024 16:07:16 +0000 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Thu, 18 Apr 2024 11:07:15 -0500 Received: from fedora.mshome.net (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Thu, 18 Apr 2024 11:07:14 -0500 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: bcc8702d-fd9d-11ee-94a3-07e782e9044d ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=VScJpLV3JLMnIf08jRVQ8tC+896hfqB/HBfK4m3V3Sjegol8TPgvvI2dgOCHj0ejTTQ3/XOa/CuAtUliSV7gW+ctEqKvylywYBdIXTUSUIKfxKKpbzMvIFXAv3nwSpozgX5yxOPjNLT/CoZyl5rfZTHEnrH5isqBM7qFNLlRz5n+FRQ7HF5BmP3HBsN9pkItWyTB9htgCKqnD0MVS9MAwWmmsasyf+EEf6JHZpwLfu2zYuWYGkWBCWVsfpC9RQJ6XpCS0H8OYh71vWfTWn+GQfntaWcHckWPf6jALJeyNJFfua8RKMsubzSGbaUDJbxzzuv9LuW1PW/6H0hgOmFRFA== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=zp89nXlE484aF/SogIXg0jLTRzLzbU7LFmPbCM15Q2Q=; b=f71kx4YcOwnkFU8PwxvQUJ4h8ZcF1movja17W02naDKslLkbKWBpDkMohinBjwjnC2FGmfwkP+VzqaUl4RQBOtkMe3lDEPpju5J1tFa2PIqqePyh7T00zJ2BFYfj/LSnWufxSwmn1Lx0s9XWEDmHRcNIBdwk4R96JNXXKX+GxJr0k9aIWOXB5QfwXH3IkV9xY3+RGoZagwxUd7CqW2551NLqyqqz59Yjwn0y4TCWZ9xsm0v+WqgDlRxik4xdRttRlaw6jV1itS1qKRTdO8CGuoO5nMVX4cFkOOCWF2wl4Ol7blARntBuh0ujAOa0GijusOrD52Vdn9BkXlMMPIvW5w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=lists.xenproject.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=zp89nXlE484aF/SogIXg0jLTRzLzbU7LFmPbCM15Q2Q=; b=dGX1nyRGTZDzR7YKz6OcttfkhhxIzC5WcIaW3U5EH9lo7AbU/OLmWrHTECyt+QJ7wYN98GR3JE+qElsK30pNohbfruFlsbEcxaujZodnllc4BBhwn24WFTw8mJ4blUoHHP0anpG8mBTrN5AgOa8dj8s305WgxTyHBf5NSHRdn/s= X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; pr=C From: Jason Andryuk To: CC: Jason Andryuk , Jan Beulich , Andrew Cooper , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Subject: [PATCH] x86/PVH: Use unsigned int for dom0 e820 index Date: Thu, 18 Apr 2024 12:07:13 -0400 Message-ID: <20240418160713.27101-1-jason.andryuk@amd.com> X-Mailer: git-send-email 2.44.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: None (SATLEXMB03.amd.com: jason.andryuk@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00001CE9:EE_|IA0PR12MB7577:EE_ X-MS-Office365-Filtering-Correlation-Id: 75df6c57-e041-43fc-47b5-08dc5fc19de4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?JZrBPGSrf2bTz8QIL6c2SpXszP8ysdVqrl7ND0J1gKZehDtTz1sqQeeZRlzv?= =?us-ascii?Q?qSwouYd1m5OEcnlDScJAIhf3N11ol2sbEZCV2nxtlo3rBbCaahCAQOdu1Kil?= =?us-ascii?Q?+W1BxGQx84WXg5RBQj7y3mTAhVYPKIj1dichi9emUp+3oVv0LOB01UQhzaQ8?= =?us-ascii?Q?Nvu7cckEVNAc0S076dfK+unIOrOl345WwP5I3xOd1FRP0XoZsFfS3ntck3S3?= =?us-ascii?Q?s0jtjGeMtqoCx7YPcQOfPvnWOBarJaE9L11WJN9pFgVk5mRLMOVk8p2SG/Kg?= =?us-ascii?Q?2Tr09OhpkBUiWj+01FkgmFyrqerOZAZrvac+khWvNIjdXnecSScYLPsagxR9?= =?us-ascii?Q?eXHvO1AF29LCoIqFEtyut+NDUV3YlUb4/dosYa6yRIhGbU9i0VSlIgEi/YqC?= =?us-ascii?Q?9yfBf5Y5GHgdZh+CWuKJp1y2+KApbAs1XSTPKhdmXpF7f6IBlFMzc1fXSAuk?= =?us-ascii?Q?M83L/kIZkPdJsUbfTuvUuRWuFKl6vxdO1fcW2es1Db/LPK5ZPtBGv2JrUYOW?= =?us-ascii?Q?1sFHsyCmoODh/hjXrN+It6k9RT3DHDPCGSGJcRZqz6tXW1wjbdNpxVI1wjkZ?= =?us-ascii?Q?zFGLHTcsSo++w64a46jCBKT0kWRbCAGO2O/woS8Xb3Fj1c8UG8K2Uf/Iu0Cy?= =?us-ascii?Q?QKXzrkZHoYIhJeng5s+lwVlz9AY44gfBMOBQ+5oUy+2R4r3vZqxRTAOqGRZB?= =?us-ascii?Q?Of3JI7JSc+79U9/gJ0nw+0UroPJvW3LDZG9GkUNyrSEduiQgEeCiD3/6xoz+?= =?us-ascii?Q?3hfMiqfcgGIQyFhJT+pMwD0XjOoRvSgTnbKJ46s3zwYhQitpNzVqi6jJtEaF?= =?us-ascii?Q?XVRCLNLSJQcNk00LrFRG4nAfBuvF1tyzEO0vuy+9I9dsdumENAiPbAx5okCF?= =?us-ascii?Q?dul4rLiu1ET5N1ZxUJlUDKkpJZv9TA/ldr2yoaMz2Mpy5W2aequyXQPELsrX?= =?us-ascii?Q?NDCi7RCldvr09hAYnRGLwoFxP55JcigHrUCGuo02EF6wiZghOvA0kqGFCr0s?= =?us-ascii?Q?J0mUzLidKAQBaQ4Ru9er775EnEYR/njnqGOn8hQKAahaue5ahPVlV9QWN0Bb?= =?us-ascii?Q?WyC/letMXCxBhLTcj0rcQGHdHv79buiO0iQIAkqkouZRcFxcvB+SXNbOklCy?= =?us-ascii?Q?Eh2f30cu9nqavXBJLDDsH64oJLQwhSHpAxIWzzIcvO3h7Gjh8q+w0AyQgnrl?= =?us-ascii?Q?tqwtTKoVLCKNyc6W4g9J/Kai9f9FkitezUsU5XzPGwBH+VO1z/3PQXBoOuLB?= =?us-ascii?Q?/Bk8/EWTu8w10r9KtHmWZkc/0YhQbi2cB4nbBYMf8e2b6hk2kV4vCGQ1ox6R?= =?us-ascii?Q?0Oh+jBxePxZXGPedRiz5WzDjeyHAvZCb5KbCg3mNeWX4Hzyl4tMiYikYeB+d?= =?us-ascii?Q?x8osvH0FIyVkgpEIhXhtYYQU0pSy?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(36860700004)(82310400014)(376005)(1800799015);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Apr 2024 16:07:16.0828 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 75df6c57-e041-43fc-47b5-08dc5fc19de4 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00001CE9.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB7577 X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1713456470815100001 Content-Type: text/plain; charset="utf-8" Switch to unsigned int for the dom0 e820 index. This eliminates the potential for array underflows, and the compiler might be able to generate better code. Requested-by: Jan Beulich Signed-off-by: Jason Andryuk Acked-by: Jan Beulich --- xen/arch/x86/hvm/dom0_build.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/xen/arch/x86/hvm/dom0_build.c b/xen/arch/x86/hvm/dom0_build.c index d158f4d241..ac71d43a6b 100644 --- a/xen/arch/x86/hvm/dom0_build.c +++ b/xen/arch/x86/hvm/dom0_build.c @@ -569,7 +569,7 @@ static paddr_t __init find_kernel_memory( { paddr_t kernel_size =3D elf->dest_size; unsigned int align; - int i; + unsigned int i; =20 if ( parms->phys_align !=3D UNSET_ADDR32 ) align =3D parms->phys_align; @@ -579,7 +579,7 @@ static paddr_t __init find_kernel_memory( align =3D MB(2); =20 /* Search backwards to find the highest address. */ - for ( i =3D d->arch.nr_e820 - 1; i >=3D 0 ; i-- ) + for ( i =3D d->arch.nr_e820; i--; ) { paddr_t start =3D d->arch.e820[i].addr; paddr_t end =3D start + d->arch.e820[i].size; --=20 2.44.0