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pr=C Message-ID: <4582dfd9-32d8-4135-acd1-568256141af2@amd.com> Date: Wed, 14 Aug 2024 15:07:21 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 4/4] xen: arm: Enclose access to EL2 MMU specific registers under CONFIG_MMU To: Ayan Kumar Halder , , , , , CC: References: <20240813171356.46760-1-ayan.kumar.halder@amd.com> <20240813171356.46760-5-ayan.kumar.halder@amd.com> Content-Language: en-US From: Michal Orzel In-Reply-To: <20240813171356.46760-5-ayan.kumar.halder@amd.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Received-SPF: None (SATLEXMB03.amd.com: michal.orzel@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF0001AB4B:EE_|SN7PR12MB8601:EE_ X-MS-Office365-Filtering-Correlation-Id: 2890cdbe-a7f9-41d4-495d-08dcbc6209fe X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|376014|1800799024; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Aug 2024 13:07:23.9463 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2890cdbe-a7f9-41d4-495d-08dcbc6209fe 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: BL6PEPF0001AB4B.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB8601 Hi Ayan, On 13/08/2024 19:13, Ayan Kumar Halder wrote: > All the EL2 MMU specific registers are enclosed within CONFIG_MMU. "Also, protect vttbr_el2 field of struct reg_ctxt and accesses to it." > > Signed-off-by: Ayan Kumar Halder Reviewed-by: Michal Orzel ~Michal