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a="199394961" X-IronPort-AV: E=Sophos;i="5.82,313,1613462400"; d="scan'208";a="199394961" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 May 2021 14:23:33 -0700 IronPort-SDR: TOP2STzbpG39dFKR1OwI64b3CzNGNHbbyaApiaBxUpCI7GR1VcpdICNfmbYmR4A9H7wTgR4MV6 ecKBKnUTE8qQ== X-IronPort-AV: E=Sophos;i="5.82,313,1613462400"; d="scan'208";a="543772186" Received: from blydon-mobl.amr.corp.intel.com (HELO [10.209.0.109]) ([10.209.0.109]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 May 2021 14:23:33 -0700 Subject: Re: [RFC v2 27/32] x86/tdx: Exclude Shared bit from __PHYSICAL_MASK To: Sean Christopherson , Andi Kleen Cc: "Kuppuswamy, Sathyanarayanan" , Peter Zijlstra , Andy Lutomirski , Dan Williams , Tony Luck , Kirill Shutemov , Kuppuswamy Sathyanarayanan , Raj Ashok , linux-kernel@vger.kernel.org References: <87b31425b79df3cc44d2bdc6a79d6aa36c42d116.1619458733.git.sathyanarayanan.kuppuswamy@linux.intel.com> <3ae38a0b-0676-1543-7015-39a589b2807a@intel.com> <0df80c0f-e0da-e86e-0ab8-abc58f0da559@linux.intel.com> From: Dave Hansen Autocrypt: addr=dave.hansen@intel.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.