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Subject: Re: [PATCH v6 11/11] x86/tdx: Handle CPUID via #VE
To:     Dave Hansen <dave.hansen@intel.com>,
        Sean Christopherson <seanjc@google.com>,
        "Kuppuswamy, Sathyanarayanan" 
        <sathyanarayanan.kuppuswamy@linux.intel.com>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        x86@kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
        Juergen Gross <jgross@suse.com>, Deep Shah <sdeep@vmware.com>,
        VMware Inc <pv-drivers@vmware.com>,
        Vitaly Kuznetsov <vkuznets@redhat.com>,
        Wanpeng Li <wanpengli@tencent.com>,
        Jim Mattson <jmattson@google.com>,
        Joerg Roedel <joro@8bytes.org>, Peter H Anvin <hpa@zytor.com>,
        Tony Luck <tony.luck@intel.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Kirill Shutemov <kirill.shutemov@linux.intel.com>,
        Kuppuswamy Sathyanarayanan <knsathya@kernel.org>,
        linux-kernel@vger.kernel.org
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From:   Andi Kleen <ak@linux.intel.com>
Message-ID: <cb7e2ef2-29aa-4fef-b13e-42a517e2be21@linux.intel.com>
Date:   Fri, 3 Sep 2021 17:05:00 -0700
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On 9/3/2021 5:00 PM, Dave Hansen wrote:
> On 9/3/21 4:54 PM, Andi Kleen wrote:
>> It means they are handled by the TDX module, but always have the same
>> contents as a native CPU would.
>>
>> As opposed to leaves that are modified by the TDX module.
> Is that distinction important for this patch?
It's not.
>
> Or, should we stick to the two-class taxonomy (#VE-inducing and not)
> that I suggested in my replacement changelog?


Seems fine.

-Andi