On Mon, Nov 11, 2024 at 12:33:28PM +0530, Nikunj A. Dadhania wrote: > kmalloc() does not work at this stage. Moreover, mem_encrypt_setup_arch() > does not have CC_ATTR_GUEST_SEV_SNP check. Bah, let's simplify it then: diff --git a/arch/x86/mm/mem_encrypt.c b/arch/x86/mm/mem_encrypt.c index 996ca27f0b72..95bae74fdab2 100644 --- a/arch/x86/mm/mem_encrypt.c +++ b/arch/x86/mm/mem_encrypt.c @@ -94,9 +94,7 @@ void __init mem_encrypt_init(void) /* Call into SWIOTLB to update the SWIOTLB DMA buffers */ swiotlb_update_mem_attributes(); - /* Initialize SNP Secure TSC */ - if (cc_platform_has(CC_ATTR_GUEST_SEV_SNP)) - snp_secure_tsc_prepare(); + snp_secure_tsc_prepare(); print_mem_encrypt_feature_info(); } -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette