On Fri, Feb 02, 2024, Sean Christopherson wrote: > +int main(int argc, char *argv[]) > +{ > + TEST_REQUIRE(is_kvm_sev_supported()); This also needs TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_SEV)); to handle the case where the platform supports SEV, i.e. /dev/sev exists, but KVM doesn't support SEV, e.g. if TDP is disabled, if SEV was explicitly disabled via module param, etc.