Re: [PATCH v6 14/25] KVM: x86: Load guest FPU state when access XSAVE-managed MSRs

[Sean Christopherson]

On Fri, Nov 03, 2023, Weijiang Yang wrote:
> On 11/2/2023 2:05 AM, Sean Christopherson wrote:
> > /*
> >   * Returns true if the MSR in question is managed via XSTATE, i.e. is context
> >   * switched with the rest of guest FPU state.
> >   */
> > static bool is_xstate_managed_msr(u32 index)
> 
> How about is_xfeature_msr()? xfeature is XSAVE-Supported-Feature, just to align with SDM
> convention.

My vote remains for is_xstate_managed_msr().  is_xfeature_msr() could also refer
to MSRs that control XSTATE features, e.g. XSS.