linux-kernel - Re: [PATCH v9 1/6] x86/tdx: Add TDX Guest attestation interface driver

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Message-ID: <0db39c6e-1147-ac53-15eb-f4009f4da4f5@linux.intel.com>
Date:   Wed, 10 Aug 2022 12:27:34 -0700
From:   Sathyanarayanan Kuppuswamy 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        "H . Peter Anvin" <hpa@...or.com>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Tony Luck <tony.luck@...el.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Kai Huang <kai.huang@...el.com>,
        Wander Lairson Costa <wander@...hat.com>,
        Isaku Yamahata <isaku.yamahata@...il.com>,
        marcelo.cerri@...onical.com, tim.gardner@...onical.com,
        khalid.elmously@...onical.com, philip.cox@...onical.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 1/6] x86/tdx: Add TDX Guest attestation interface
 driver



On 8/10/22 12:09 PM, Borislav Petkov wrote:
> On Wed, Jul 27, 2022 at 08:44:15PM -0700, Kuppuswamy Sathyanarayanan wrote:
>> In TDX guest, attestation is used to verify the trustworthiness of a TD
>> to other entities before provisioning secrets to the TD.
> 
> What is the difference between a TDX guest and a TD?
> 
> I'm being told they're one and the same thing. If so, please rewrite

Yes. In this context, TD/TD guest means the same thing. So I will just
use TDX guest uniformly.

> this commit message into something actually readable because right now
> it is real hard to parse what this says.
> 
> And pls avoid the Intel marketing bla - that's a write-only text and not
> meant for humans.

Ok. will do.

> 
> Thx.
> 

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer