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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jan 2026 17:31:44.8896 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e745cb87-37a0-4b51-bb6c-08de4e12a0f3 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: DU2PEPF00028D08.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR08MB10007 Hi Kevin, [...] > > @@ -144,6 +148,10 @@ SYM_FUNC_START(cpu_do_resume) > > msr tcr_el1, x8 > > msr vbar_el1, x9 > > msr mdscr_el1, x10 > > +alternative_if ARM64_HAS_TCR2 > > + ldr x2, [x0, #104] > > + msr REG_TCR2_EL1, x2 > > +alternative_else_nop_endif > > Maybe this could be pushed further down cpu_do_resume, next to DISR_EL1 > maybe (since it's also conditional)? Otherwise the diff LGTM: Sorry but IIUC, currently there is no DISR_EL1 save/restore not yet? and I think current place is good where before restore SCTLR_EL1 which before MMU enabled. Am I missing something? Thanks. -- Sincerely, Yeoreum Yun