On Mon, Sep 02, 2024 at 09:46:57AM +0530, Nikunj A. Dadhania wrote: > Ok, do we need to add an entry to tools/arch/x86/kcpuid/cpuid.csv ? Already there: # Leaf 8000001FH # AMD encrypted memory capabilities enumeration (SME/SEV) 0x8000001f, 0, eax, 0, sme , Secure Memory Encryption supported 0x8000001f, 0, eax, 1, sev , Secure Encrypted Virtualization supported 0x8000001f, 0, eax, 2, vm_page_flush , VM Page Flush MSR (0xc001011e) available 0x8000001f, 0, eax, 3, sev_es , SEV Encrypted State supported 0x8000001f, 0, eax, 4, sev_nested_paging , SEV secure nested paging supported 0x8000001f, 0, eax, 5, vm_permission_levels , VMPL supported 0x8000001f, 0, eax, 6, rpmquery , RPMQUERY instruction supported 0x8000001f, 0, eax, 7, vmpl_sss , VMPL supervisor shadwo stack supported 0x8000001f, 0, eax, 8, secure_tsc , Secure TSC supported ^^^^ but in general if it is not there, most definitely. This list should contain *all* CPUID definitions. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette