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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Nov 2024 17:45:57.0546 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3446a957-a4a8-4708-b739-08dd0d79044f 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: DB1PEPF000509EF.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAWPR08MB9686 Hi Ard. > I take it this is working around buggy firmware that passes both a DT > and ACPI tables, and the DT in question is broken? > > If so, this should be fixed in the firmware. The EFI stub does not > reason at all about ACPI boot vs DT boot, and I would prefer to keep > it that way, especially because this code is shared with other > architectures. For instance, the meaning of acpi= could differ between > architectures, or they may not implement ACPI in the first place. What I concern is that It doesntt necessary to check DT otherwise if the FDT variable in variable storage's contents is corrupted, it would complain while it check in early_init_dt_scan() thou the dt isn't used in boot process. also, although acpi= could differ from architecture, the force option's menaing seems the same over architecture (ignore DT boot with ACPI tables). So I think the check the "acpi=force" option to prevent loading DT seems good. Am I missing? Thanks