linux-kernel - Re: [RFC v2 27/32] x86/tdx: Exclude Shared bit from __PHYSICAL

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Message-ID: <283b3d47-f1f6-3c53-0909-ba0540993203@intel.com>
Date:   Thu, 20 May 2021 14:23:27 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Sean Christopherson <seanjc@...gle.com>,
        Andi Kleen <ak@...ux.intel.com>
Cc:     "Kuppuswamy, Sathyanarayanan" 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Kirill Shutemov <kirill.shutemov@...ux.intel.com>,
        Kuppuswamy Sathyanarayanan <knsathya@...nel.org>,
        Raj Ashok <ashok.raj@...el.com>, linux-kernel@...r.kernel.org
Subject: Re: [RFC v2 27/32] x86/tdx: Exclude Shared bit from __PHYSICAL_MASK

On 5/20/21 2:18 PM, Sean Christopherson wrote:
> I understand the desire to have a unique prefix, but tdg is is _too_ close to
> tdx.  I don't want to spend the next N years wondering if tdg is a typo or intended.


Sathya has even mis-typed "tdx" instead of "tdg" this in his own
changelogs up to this point.  That massively weakens the argument that
"tdg" is a good idea.