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=-12.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 9B423C07E99 for ; Mon, 5 Jul 2021 15:48:00 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 37CD861968 for ; Mon, 5 Jul 2021 15:48:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 37CD861968 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=citrix.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.150408.278093 (Exim 4.92) (envelope-from ) id 1m0Qp2-0005iT-20; Mon, 05 Jul 2021 15:47:48 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 150408.278093; Mon, 05 Jul 2021 15:47:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1m0Qp1-0005iM-VA; Mon, 05 Jul 2021 15:47:47 +0000 Received: by outflank-mailman (input) for mailman id 150408; Mon, 05 Jul 2021 15:47:47 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1m0Qp1-0005iG-7e for xen-devel@lists.xenproject.org; Mon, 05 Jul 2021 15:47:47 +0000 Received: from esa3.hc3370-68.iphmx.com (unknown [216.71.145.155]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 5764c47a-dda8-11eb-844c-12813bfff9fa; Mon, 05 Jul 2021 15:47:46 +0000 (UTC) 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: 5764c47a-dda8-11eb-844c-12813bfff9fa DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1625500066; h=subject:to:cc:references:from:message-id:date: in-reply-to:content-transfer-encoding:mime-version; bh=/dmB+97IHpmQpJevm3xwUDf/YzGHL/Nm7Ividwuzmts=; b=ZMb8gSWqig1VybgE7kWT9LiEEDBN6FTUlXSiAxEHkfGHcpRki6P3oJvw k0monJsYcsXwdgSvmjSCJh7dLWd7TMISRg7/soT88w0ePGG9pHix2Xbsw 9HyHkJLx0XvBtz2Mvy7LEjYJbf6njk/GZjLUn2j5dgRW2qIMMFsQW66MB I=; Authentication-Results: esa3.hc3370-68.iphmx.com; dkim=pass (signature verified) header.i=@citrix.onmicrosoft.com IronPort-SDR: afdDIlDQUrZbdpWWt9ZkSZRAeBgbbkmU+WDBezKWQ8aQsBr8K0foFql9DghUHT1uPQAk1yDk5s bSAFJNa/b03/ZGGlk9On+9cI3OJYrcCOeByOQ+U7JgAiW3hmOt3wx0qT3S6vubOLk5Nxz4X9mL 77/kmMyfGwi3r5iky8f8UCsLctqcQwPPCCw/2zmxiv8/e0ujVJht2w8scwumFqFYMfyXblzNDE xqd/wS2bwDZ8XnOdgfU2/K4oeEeXM2FCC2Y2ID4j6nak0yYdKUpOJyNVd3rQ/vZxa+27coyquy Ej4= X-SBRS: 5.1 X-MesageID: 47593607 X-Ironport-Server: esa3.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED IronPort-HdrOrdr: A9a23:o6R9aK9iYQYtcKSmDJpuk+AcI+orL9Y04lQ7vn2ZKSY5TiX4rb HKoB1/73XJYVkqN03I9ervBEDiewK/yXcW2+ks1N6ZNWGLhILBFupfBODZsl7d8kPFl9K01c 1bAtJD4N+bNykGsS4tijPIb+rJw7O8gd+Vbf+19QYIcenzAZsQlzuQDGygYypLbTgDP7UVPr yG6PFKojKxEE5nFfhSVhE+Lo7+T8SgruOeXSI7 X-IronPort-AV: E=Sophos;i="5.83,325,1616472000"; d="scan'208";a="47593607" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=JsXn1zkS16V3rWhffDK8FS59tMcyZAH+zAFnYfFiS49Uy/rht5WoSWE9jdqXo+dULd9jgoVIjT5yVeeKRZxnXkCT2GqjdIRHPKXqO+0o1tfWfddouv2O3VUgPoYf5WhyScn6rORDcwZf9w6+/muYtihrz4GYuuBFXNl9I2qoruyax/fOevVjt0JIuZw1eydp6J1JBG2wxqHrpLRF1tVt6vMODZWm6MA7Yj/dpH+j6HOD3HDoxncz65RVdzBx7XG7rCUB6bw0aKECR0vWohdvjEcm3uhtlAiCJq5Vj0I+efw+czVZXbqZsQsXI0v/MITtRfsFFp/5GreD5bUPbK1Llw== 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=/dmB+97IHpmQpJevm3xwUDf/YzGHL/Nm7Ividwuzmts=; b=Dekkn/7N558gEjQlmPogXLHo0o8+KR25QsV8YjfH0gzR6ry2qFGwXGHey7OzWxfwHqHLRYVa4GVNmNHNhP047goWLGp2xsbDvF8GYVbdaJ98fSm/Je1DrrITSpftFcaLApKPP7UW4RZnqvF974GWwp+vlCqkqIFlIUwJmQSKhhKOlCyNQSEc86Poe/2R6uUY4BxdvHD8SWA1H76kfdoV7Zlk72/KMAejecfhTVusJ3On+E1xaqibVSTTYSBDb0dSmu6Qi93v9uMdGnWm3LEqs9RpjjlrMhLwtZEIgcAymnDq1jH+46XJWi1ldFDiwloHKrjJiekdYfUNqOyerCNohA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=citrix.com; dmarc=pass action=none header.from=citrix.com; dkim=pass header.d=citrix.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.onmicrosoft.com; s=selector2-citrix-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=/dmB+97IHpmQpJevm3xwUDf/YzGHL/Nm7Ividwuzmts=; b=obzLFf36eMY/5GB6Qg18N53BIMSaByTDp/tpjr09mgEKRTLLgZ+yBzC5wT7Cjsh1WQNDCbH5SXOI1Rw4pkbJNOJ/zz3tJx0M2pwS0FIAwL2pBJjcWxrDbGKsI9PTmhOYZ7f191r3JJcvzNmRTysZKInvHmHygzlQBzzLezs/9QM= Subject: Re: [PATCH v2 10/13] libxc: simplify HYPERCALL_BUFFER() To: Jan Beulich , "xen-devel@lists.xenproject.org" CC: Wei Liu , Juergen Gross , George Dunlap , Ian Jackson References: <0bebfe8c-6897-dc8b-7fe0-9127d4996eb8@suse.com> <2d8b0f54-3045-f881-4705-28317e5ab509@suse.com> From: Andrew Cooper Message-ID: <7734681a-601d-b81b-5ebd-a0838512d021@citrix.com> Date: Mon, 5 Jul 2021 16:47:31 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 In-Reply-To: <2d8b0f54-3045-f881-4705-28317e5ab509@suse.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-GB X-ClientProxiedBy: LO2P265CA0034.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:61::22) To BYAPR03MB3623.namprd03.prod.outlook.com (2603:10b6:a02:aa::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 077a73fd-325a-40d2-826b-08d93fcc3770 X-MS-TrafficTypeDiagnostic: BYAPR03MB3494: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8882; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BYAPR03MB3623.namprd03.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(136003)(39860400002)(366004)(346002)(396003)(376002)(8676002)(53546011)(86362001)(26005)(8936002)(4744005)(478600001)(6486002)(31686004)(36756003)(16576012)(316002)(83380400001)(6666004)(956004)(2616005)(4326008)(186003)(110136005)(38100700002)(2906002)(16526019)(5660300002)(31696002)(66556008)(54906003)(66476007)(66946007)(43740500002)(45980500001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?YTh6TVJjVkJ1cmU1NmFxVzJaeEFWM2ZweUsrODg1Z2ZYOEVWQWI4ZFdSeDB5?= =?utf-8?B?WnRLQ3dCQnUwNEdCeCtvK2pLTEV5VWJTekt3eXVpVG1DdWdaRjZkRk5ZaWRl?= =?utf-8?B?U015NjVoRlNrUERJS3JOL01DK0E0RlE1U3VpSlJLQ1dNTXVHRlJtY1ZYcjBU?= =?utf-8?B?ck5CUzVhcUFoMU1Nd2tMUkpMaS80WGVFZzVma1lpZWZvVUcxcVhPZTlQb1Zs?= =?utf-8?B?am01RDROWXZ5cWVaYjhtcG8vTHMzNjJyRW1zQXU0QUsxVDVPdHlNZzVkOFB6?= =?utf-8?B?UVlPS3p1MS9ibHNpa2VyZ3Z6RWhMMkFxbFhUVzkxK1AzckRDLzdQd0hTbSs4?= =?utf-8?B?UE9XS2tJeTBaZ0RxUkUyamxyaGZUdGgzVTZWeFpvVXZ3ZDZWTTl3YTQ4dWZD?= =?utf-8?B?UDhzekRjTDArQW90OHIrcDdKTmZlQUZwOVZPMjIraDliZU5OUndRVTNzai9F?= =?utf-8?B?NUN3MXhsQUpoeHN0SUcxRytjUUpvaXFIWlJlaVVSZklraFRkRHZHcTdCQXdO?= =?utf-8?B?UjA5TGpwdnlBTlVHT2Mwa1IxQTZkOGpTemQ1MnA0ZStPLzhyK3ZvOFZ2bU1J?= =?utf-8?B?YndsTjF6NCtjaXJlRUQzdVh5c0ZxNlA5bmZRTFpFaEtWZDUwQit5aWszT201?= =?utf-8?B?M2ZiT2lscENFZER4d3JTNGE3dllCc056RStzOFJYSjE3R2YyaXN5clg1RUpQ?= =?utf-8?B?R25CdkU2ZkY0RWtuZ3cyVWE1V3pvdGNyMWt3Z0FDeWluelZtWjJPRHRPSCtT?= =?utf-8?B?anpCZ2pWVmtNNTVWeWwzQ2ZqOWlyUFB0R1BXc0xMdU05d3cyUTQ4ZGFvbUFC?= =?utf-8?B?Mm1DamxoL1MvSk45dlRlWlZrZ21jTFVPak84WDJsRWZhVTgrUzVYVnRtbUhJ?= =?utf-8?B?b1BNWFJhOXVGWlh0bXMvMHYvY21tUWxpOFd4eFVWT0F1OXgvRjc1UXVlM2RJ?= =?utf-8?B?NHBOZm9udjE1ZERib2FjWjVwQkh4MUdVT2M3eUErRDJzSzNNQ3M4QngvNU9J?= =?utf-8?B?bUVsVk5KaGNwS2NrdEpZb2hVaTNRUExUYnhMQlA4MkR5aGpaazRiYmxHdXJU?= =?utf-8?B?Tm42anVwUG1ORTlFbGUzTUZGcDRQWG1BQlJGUzhjTExuQ0RUTXBCdzE2L0Nq?= =?utf-8?B?UGxFVGwxK0VpWnVkdWNTK2VsZUxPRm1GNUhrNnVWS0tTK3lUck9LNytVVnZs?= =?utf-8?B?b1BYNklBMVl3Nk5kdEo0b3FCbXkvK0VTd2lGdWcxckhoV2ZQU3FMTDJwSWlL?= =?utf-8?B?YVcyb0VYbnRIc1pYYVN0WHdYWHlzQWphQzA4YkhpL3o5bEdZS2RNdlYyamZl?= =?utf-8?B?TllnYzhxTTNFeHJxdTFBOE9KSGlFV3ZNUDg4QVVqYXlETnREaHgrYUxtM21L?= =?utf-8?B?WHBjdXJVNlZraHlYRzZkV01kb2VLTjVaQjFoWFRBV2pFTFB5NE1CUDRaWFNk?= =?utf-8?B?SnQxT2QzbXhuUjJ6REpjc21Ud3Brd28renQ2RUJ6VWhDODZrNXFFNmRzbXlp?= =?utf-8?B?UFJ1bTRxT3dYWkhDN2xRL0s3cUtGQ3hqM1IwRmNkdkJNV2Yvc1c3blBZNU9k?= =?utf-8?B?dDA2YTZqbU5oOTlmK092YmxxcVhYa3JuQ3ZUa2xOc00yRHRQcE1nYmtRZU5j?= =?utf-8?B?WVZ6OW0rdG1uM1NpUFpJUnRDODZNVjFDRzBnSjViNEo5ajlDYS9rYUdYOENu?= =?utf-8?B?SDVNUjA4eklkd2J3NXRwZ1lFS2E0MmdaRERFTnNRUWcwUWVkd0xHNDVVU25a?= =?utf-8?Q?GBI4nbAO/FsDpeY5/KDjU2A0bpauDIlYiTGyf87?= X-MS-Exchange-CrossTenant-Network-Message-Id: 077a73fd-325a-40d2-826b-08d93fcc3770 X-MS-Exchange-CrossTenant-AuthSource: BYAPR03MB3623.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jul 2021 15:47:38.8952 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 335836de-42ef-43a2-b145-348c2ee9ca5b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: mxKZkK5hhK7exCLYV8kY6UsvVZ5nbnVeanmGT5uDX6oYU36DWbJw4QYJn5/eItpxTacCuKju4NCtCjsw1CvkNmvsq74I0TxGSe6VZEHPVHA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR03MB3494 X-OriginatorOrg: citrix.com On 05/07/2021 16:16, Jan Beulich wrote: > _hcbuf_buf1 has been there only for a pointer comparison to validate > type compatibility. The same can be achieved by not using typeof() on > the definition of what so far was _hcbuf_buf2, as the initializer has > to also be type-compatible. Drop _hcbuf_buf1 and the comaprison; > rename _hcbuf_buf2. > > Since we're already using compiler extensions here, don't be shy and > also omit the middle operand of the involved ?: operator. > > Bring line continuation character placement in line with that of > related macros. > > Signed-off-by: Jan Beulich Acked-by: Andrew Cooper