linux-kernel - Re: [PATCH] KVM: nVMX: Filter out all unsupported controls when eVMCS was activated

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Message-ID: <YTkwvrMl7SSCtQF7@google.com>
Date:   Wed, 8 Sep 2021 21:53:02 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:     kvm@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: nVMX: Filter out all unsupported controls when
 eVMCS was activated

On Tue, Sep 07, 2021, Vitaly Kuznetsov wrote:
> Let's be bold this time and instead of playing whack-a-mole just filter out
> all unsupported controls from VMX MSRs.

Out of curiosity, why didn't we do this from the get-go?