Messages in this thread | | | Date | Mon, 30 Aug 2021 19:41:57 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH v9 12/26] x86/fpu/xstate: Use feature disable (XFD) to protect dynamic user state |
| |
On Tue, Aug 24, 2021 at 06:21:23PM -0400, Len Brown wrote: > MSR_IA32_XFD and MSR_IA32_XFD_ERR are architectural. > > (which is why they follow the convention of having an "IA32" in their name)
Where is that official statement I can refer to that says that MSRs with "IA32" in the name are architectural?
Perhaps that section of the SDM:
"2.1 ARCHITECTURAL MSRS"
?
In any case, those MSRs are not there yet, maybe they need to trickle from the ISA to the SDM docs at some point first.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
| |