linux-kernel - Re: [PATCH 00/61] KVM: x86: Introduce KVM cpu caps

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Date:   Thu, 27 Feb 2020 17:37:24 -0800
From:   Sean Christopherson <sean.j.christopherson@...el.com>
To:     Paolo Bonzini <pbonzini@...hat.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
Subject: Re: [PATCH 00/61] KVM: x86: Introduce KVM cpu caps

On Tue, Feb 25, 2020 at 04:25:34PM +0100, Paolo Bonzini wrote:
> On 25/02/20 16:18, Vitaly Kuznetsov wrote:
> > Would it be better or worse if we eliminate set_supported_cpuid() hook
> > completely by doing an ugly hack like (completely untested):
> 
> Yes, it makes sense.

Works for me, I'll tack it on.  I think my past self kept it because I was
planning on using vmx_set_supported_cpuid() for SGX, which adds multiple
sub-leafs, but I'm pretty sure I can squeeze them into kvm_cpu_caps with
a few extra shenanigans.