Re: [PATCH v4 2/5] KVM: x86: Move CPUID.(EAX=0x12,ECX=1) mangling to __kvm_update_cpuid_runtime()

[Paolo Bonzini]

On 1/21/22 14:28, Vitaly Kuznetsov wrote:
> To support comparing CPUID data update with what's already set for a vCPU
> all mangling needs to happen in __kvm_update_cpuid_runtime(), before
> 'vcpu->arch.cpuid_entries' is updated. CPUID.(EAX=0x12,ECX=1) is currently
> being mangled in kvm_vcpu_after_set_cpuid(), move it to
> __kvm_update_cpuid_runtime(). Split off cpuid_get_supported_xcr0() helper
> as 'vcpu->arch.guest_supported_xcr0' update needs (logically) to stay in
> kvm_vcpu_after_set_cpuid().
>
> No functional change intended.

Since v3 is already on its way to Linus, I'll merge this patch next week.

Paolo