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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Oct 2024 15:39:30.0454 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a4c69c24-f326-459f-5c5a-08dcf766b68b X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM4PEPF00025F99.EURPRD83.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR08MB8495 Hi Ayan, > On 28 Oct 2024, at 12:45, Ayan Kumar Halder w= rote: >=20 > After the regions have been created, now we enable the MPU. For this we d= isable > the background region so that the new memory map created for the regions = take > effect. Also, we treat all RW regions as non executable and the data cach= e is > enabled. >=20 > As enable_mpu() is invoked from enable_boot_cpu_mm(), one needs to save a= nd > restore the lr. >=20 > Signed-off-by: Ayan Kumar Halder > --- >=20 It looks good to me: Reviewed-by: Luca Fancellu