On Wed, Aug 24, 2022 at 10:13 AM Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > > On 8/23/22 23:26, Jim Mattson wrote: > > For consistency, should this feature be renamed AMD_PSFD, now that > > Intel is enumerating PSFD with CPUID.(EAX=7,ECX=2):EDX.PSFD[bit 0]? > > Seehttps://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/cpuid-enumeration-and-architectural-msrs.html. > > > > And, Paolo, why are we carrying X86_FEATURE_PSFD as a private #define > > in KVM rather than putting it where it belongs in cpufeatures.h? > > > > Borislav asked to not show psfd in /proc/cpuinfo, because Linux had > decided not to control PSF separately; instead it just piggybacked > on SSBD which should disable PSF as well. Honestly I disagree but > it's not my area of maintenance. Do we expose PSFD in KVM for the use of another popular guest OS?
