linux-kernel - Re: [PATCH 25/25] KVM: x86: Add CPUID bits missing from KVM_GET_SUPPORTED

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Message-ID: <CABgObfZ5ssWK=Beu7t+7RqyZGMiY2zbmAKPy_Sk0URDZ9zbhJA@mail.gmail.com>
Date: Thu, 12 Sep 2024 16:48:11 +0200
From: Paolo Bonzini <pbonzini@...hat.com>
To: Xiaoyao Li <xiaoyao.li@...el.com>
Cc: Rick Edgecombe <rick.p.edgecombe@...el.com>, seanjc@...gle.com, kvm@...r.kernel.org, 
	kai.huang@...el.com, isaku.yamahata@...il.com, tony.lindgren@...ux.intel.com, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 25/25] KVM: x86: Add CPUID bits missing from KVM_GET_SUPPORTED_CPUID

On Thu, Sep 12, 2024 at 4:45 PM Xiaoyao Li <xiaoyao.li@...el.com> wrote:
> > KVM is not going to have any checks, it's only going to pass the
> > CPUID to the TDX module and return an error if the check fails
> > in the TDX module.
>
> If so, new feature can be enabled for TDs out of KVM's control.
>
> Is it acceptable?

It's the same as for non-TDX VMs, I think it's acceptable.

Paolo