linux-kernel - Re: [PATCH v2 50/66] KVM: x86: Override host CPUID results with kvm_cpu

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Date:   Tue, 3 Mar 2020 16:22:48 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Sean Christopherson <sean.j.christopherson@...el.com>
Cc:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Xiaoyao Li <xiaoyao.li@...el.com>
Subject: Re: [PATCH v2 50/66] KVM: x86: Override host CPUID results with
 kvm_cpu_caps

On 03/03/20 00:56, Sean Christopherson wrote:
> Override CPUID entries with kvm_cpu_caps during KVM_GET_SUPPORTED_CPUID
> instead of masking the host CPUID result, which is redundant now that
> the host CPUID is incorporated into kvm_cpu_caps at runtime.
> 
> No functional change intended.
> 
> Reviewed-by: Vitaly Kuznetsov <vkuznets@...hat.com>
> Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>

The UMIP adjustment is now redundant in vmx_set_supported_cpuid, it's
done in the next patch but it makes more sense to remove it here (so the
next patch only moves code from set_supported_cpuid to set_cpu_caps).

Paolo