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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Aug 2025 19:43:38.4239 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ee13198d-9e5b-4bd4-646c-08ddd90f5e3c 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: DB5PEPF00014B91.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR08MB9346 Hi Marc, > > initialise SCTLR2_EL1 at __kvm_host_psci_cpu_entry(). > > Same comment, I don't think this is an acceptable commit message. > Please ask for help if you don't feel confident writing it (I'm sure > some of your colleagues will be happy to help). Okay. I'll rewrite the commit message > > @@ -219,6 +220,8 @@ asmlinkage void __noreturn __kvm_host_psci_cpu_entry(bool is_cpu_on) > > release_boot_args(boot_args); > > > > write_sysreg_el1(INIT_SCTLR_EL1_MMU_OFF, SYS_SCTLR); > > + if (alternative_has_cap_unlikely(ARM64_HAS_SCTLR2)) > > + write_sysreg_el1(INIT_SCTLR2_EL1, SYS_SCTLR2); > > write_sysreg(INIT_PSTATE_EL1, SPSR_EL2); > > > > __host_enter(host_ctxt); > > This needs to be folded into patch #1. > > Otherwise, there is a window of patches where the kernel will not > survive CPU hotplug when booted in protected mode. Do you mean fold this patch into patch #2 where initialise SCTLR2_ELx? Thanks. > -- > Without deviation from the norm, progress is not possible. -- Sincerely, Yeoreum Yun