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Message-ID: Date: Tue, 6 Sep 2022 11:23:38 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.2.1 Subject: Re: [PATCH v6 10/10] drivers/char: use smp barriers in xhci driver Content-Language: en-US To: =?UTF-8?Q?Marek_Marczykowski-G=c3=b3recki?= Cc: Andrew Cooper , George Dunlap , Julien Grall , Stefano Stabellini , Wei Liu , xen-devel@lists.xenproject.org References: <992c6512e54435a006c6de28515d1242518cb974.1662124370.git-series.marmarek@invisiblethingslab.com> From: Jan Beulich In-Reply-To: <992c6512e54435a006c6de28515d1242518cb974.1662124370.git-series.marmarek@invisiblethingslab.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-ClientProxiedBy: FR0P281CA0065.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:49::18) To VE1PR04MB6560.eurprd04.prod.outlook.com (2603:10a6:803:122::25) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 29c0b282-a13d-4461-c99d-08da8fe9788d X-MS-TrafficTypeDiagnostic: VI1PR04MB4893:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Drivers like this one, even if presently depending on X86 in Kconfig, shouldn't be making assumptions like this. Such is imo only appropriate when a driver conceivably would only ever be useful on x86. Jan