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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: p6VVViXR63xIZYgzVD8uM11q8Sx0XQDJQru6WL3C05YXkxJaBE5VUqNYCdBQqkGqdQTsZqdvBBm89CPw2FYvA4iQJuUUD4+H4P5TjXcpY834JRxqmmkf+rZJkFK94nu2Cz1F6A53pZpZQd+KQdQMgprLzXctJTSIPJKlvMYHjAPqKoez1s1NZ8byM+cQhrGKvgI9ih3f7Y+TYrzLbNpd6G0c0Ft1nEPbCa4ygX2XIrLZfwPxf+EQvmeOK+LzHH7wh+hGuYyCsLbsX+NLGkywNeRO6v6jwDC3CsG4kXcAn4H3TcfCGL5lRSo9IAgX3tcrgBEUciHqLG3SUSzNu30G55r9yWOW6H/chW6H8VHierngKCD3m7x1gUcJ5gqkP6PG2qyjE4A/Ga+RxzHglIAKwNDfyrd9Od7beDWq4zNd7OvtU++Ft2cgbuX4UZ/JQ1Of X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Feb 2026 22:12:11.2564 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fbaaa5cf-90c8-43b8-7115-08de69ba9ab1 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000075ED.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SAVPR12MB999144 On 2/1/2026 9:54 AM, alejandro.lucero-palau@amd.com wrote: > From: Alejandro Lucero > > This patchset should be applied on the cxl next branch using the base > specified at the end of this cover letter. > > Dependencies on Dan's work has gone and also on Terry's as the only > patch required is now in next. The other dependency is on Smita patchset > but it does not exist such a dependency as that work will not avoid the > problem with Type2 and DAX/hmem if soft reserved memory. This needs to > be solved by the BIOS and Type2 UEFI driver for populating the CXL.mem > range as EFI_RESERVED_TYPE instead of default EFI_CONVENTIONAL_MEMORY > with the EFI_MEMORY_SP attribute. There exists though a dependency on > one Smita's patches: > > [PATCH v5 3/7] cxl/region: Skip decoder reset on detach for autodiscovered regions > > This is needed for the default behaviour with current BIOS configuration > where the HDM Type2 decoders will be kept unreset when driver unloads. > This is the main change introduced in v23: committed decoders will not > be reset. Previous v22 functionality supported first driver load finding > committed decoders but resetting them at unload and supporting > uncommitted decoders in next driver loads. This will be suported in > follow-up works. > > v23 changes: > > patch 11: fixing minor issues and droping change in > should_emulate_decoders (Jonathan Cameron) > > patch13: refactoring unregister_region for safety type in Type2 API > > sfc changes: slight modifications to error path > This cover letter is really long, I'd remove the change logs for anything more than 3 revisions back (assuming a v24 is needed). After that you could leave a lore link for older revisions if you want, but it's not needed imo. Also, feel free to add my Reviewed-by for anything I didn't leave a comment on (felt I should cut down on the mail). Thanks, Ben