From: "Tycho Andersen (AMD)" <[email protected]> In some configurations not all VM types are supported by the firmware. Reflect this information in the supported_vm_types that KVM exports.
Link: https://lore.kernel.org/all/[email protected]/ Suggested-by: Sean Christopherson <[email protected]> Signed-off-by: Tycho Andersen (AMD) <[email protected]> --- arch/x86/kvm/svm/sev.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 37490803f2e8..0fe9515db1e7 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -2976,7 +2976,8 @@ void __init sev_set_cpu_caps(void) supported_vm_types |= BIT(KVM_X86_SNP_VM); } - kvm_caps.supported_vm_types |= supported_vm_types; + kvm_caps.supported_vm_types |= (supported_vm_types & + sev_firmware_supported_vm_types()); } static bool is_sev_snp_initialized(void) -- 2.53.0
