On Thu, Apr 10, 2025 at 02:46:39PM -0700, Sean Christopherson wrote: > I'm going to skip these, as they aren't yet publicly documented, https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/programmer-references/57238.zip > and there are patches proposed to add actual support. I wouldn't care all > that much if these didn't collide with Intel's version (the proposed patches > name them AMD_FSxx). > > https://lore.kernel.org/all/20241204134345.189041-2-davydov-max@xxxxxxxxxxxxxx Pff, I think the right thing to do is to detect those and when set, set the Intel flags because they're basically the same. Lemme go reply there. ... goes and replies... > > > /* PrefetchCtlMsr */ > > - F(WRMSR_XX_BASE_NS), > > + /* GpOnUserCpuid */ > > + /* EPSF */ > > FWIW, this one's also not in the APM (though the only APM I can find is a year old), > though it's in tools/x86/kcpuid. See above. Yeah, the PPRs have them earlier than the APM. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette