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Fri, 30 Jan 2026 23:09:37 +0000 Message-ID: Date: Fri, 30 Jan 2026 15:09:35 -0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4] scripts/x86/intel: Add a script to update the old microcode list Content-Language: en-US To: Andrew Cooper , Dave Hansen CC: Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" , Peter Zijlstra , "Josh Poimboeuf" , Pawan Gupta , Dave Hansen , Nikolay Borisov , , Borislav Petkov , References: <20260130194753.672739-1-sohil.mehta@intel.com> <98b13199-f427-4054-8f37-15b2219c1fa3@citrix.com> From: Sohil Mehta In-Reply-To: <98b13199-f427-4054-8f37-15b2219c1fa3@citrix.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: BYAPR08CA0053.namprd08.prod.outlook.com (2603:10b6:a03:117::30) To DS0PR11MB7997.namprd11.prod.outlook.com (2603:10b6:8:125::14) 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: DS0PR11MB7997:EE_|SJ0PR11MB4830:EE_ X-MS-Office365-Filtering-Correlation-Id: 119fb304-5512-4ef7-2145-08de6054a3d1 X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|7416014|376014|1800799024; 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Saves an extra step/line. >> +# Prepare the microcode entries >> +ucode_entries = [] >> +for ucode_key in ucode_dict: >> + rev = ucode_dict[ucode_key] >> + sig = rev['sig'] >> + ucode_entries.append({ >> + 'family': family(sig), >> + 'model': model(sig), >> + 'steppings': 1 << step(sig), >> + 'platforms': rev['platforms'], >> + 'rev': rev['rev'], >> + 'sig': sig >> + }) > > This is crying out for a small class, and for the use of set() > > Try the attached version, which is rather more pythonic. Thank you for improving the script. It looks cleaner and "pythonic". It works for my usage with unique ucode files in a single directory. Dave probably has a use case where he passes multiple directories to the script. IIUC, the new version just inserts a unique entry for every FMS + pf_mask and skips the repeats. But it doesn't necessarily use the latest revision for the duplicates. We probably need an equivalent logic for this: if existing is not None: # If the existing one is newer, just move on: if existing['rev'] > rev['rev']: continue Dave, opinion?