On Fri, Feb 18, 2022, Peter Gonda wrote: > On Fri, Feb 18, 2022 at 3:09 AM Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > > +#define X86_FEATURE_SEV (1 << 1) > > +#define X86_FEATURE_SEV_ES (1 << 3) > > These conflict with these names but have different values: > https://elixir.bootlin.com/linux/latest/source/arch/x86/include/asm/cpufeatures.h#L402. > Is that normal in selftests or should we go with another name? It's normal. The kernel uses semi-arbitrary values that don't map directly to CPUID. I like Paolo's suggestion of pulling in KVM-Unit-Tests' approach for dealing with CPUID features[*]; if/when that happens these definitions will become less ad hoc. [*] https://lore.kernel.org/all/16823e91-5caf-f52e-e0dc-28ebb9a87b47@xxxxxxxxxx