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Mon, 28 Sep 2026 23:01:11 +0000 Date: Mon, 28 Sep 2026 16:01:08 -0700 From: Peter Fang To: "Edgecombe, Rick P" CC: "kvm@vger.kernel.org" , "Li, Xiaoyao" , "linux-coco@lists.linux.dev" , "dave.hansen@linux.intel.com" , "kas@kernel.org" , "seanjc@google.com" , "binbin.wu@linux.intel.com" , "tony.lindgren@linux.intel.com" , "mingo@redhat.com" , "linux-kernel@vger.kernel.org" , "hpa@zytor.com" , "tglx@kernel.org" , "bp@alien8.de" , "Bityutskiy, Artem" , "sathyanarayanan.kuppuswamy@linux.intel.com" , "x86@kernel.org" Subject: Re: [PATCH v5 5/6] x86/tdx: Add a helper to query maximum Quote size Message-ID: References: <20260928100913.2265687-1-peter.fang@intel.com> <20260928100913.2265687-6-peter.fang@intel.com> Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-ClientProxiedBy: SJ0PR13CA0209.namprd13.prod.outlook.com (2603:10b6:a03:2c3::34) To CH3PR11MB435924.namprd11.prod.outlook.com (2603:10b6:610:34a::8) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH3PR11MB435924:EE_|MN0PR11MB6278:EE_ X-MS-Office365-Filtering-Correlation-Id: fac52432-6950-4a72-83b8-08df1db46379 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|23010399003|1800799024|366016|10067099003|11063799006|6133799003|56012099006|4143699003|22082099003|18002099003; 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"Intel TDX Module > > ABI Definitions" was updated in August. Yeah these names can be > > confusing sometimes. > > I see: Intel TDX Module ABI Definitions - ABI definitions in PDF, CSV and JSON > format - June 2026 > > Ah! There are two listed: one from June and one from August. The August ones are > still labeled for community review. "These documents are not final and are > subject to change based on feedback." > > This means that we are upstreaming head of the spec being finalized. And TDX > module will not be able to change anything we depend on. We need to make sure > they know what we are locked onto. Yep, once locked in any additional incompatible change will be flagged as a bug. >