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Fri, 9 Oct 2026 18:23:00 +0000 Date: Fri, 9 Oct 2026 11:22:57 -0700 From: Alison Schofield To: Koichiro Den CC: Dave Jiang , Davidlohr Bueso , Jonathan Cameron , Vishal Verma , Dan Williams , Bjorn Helgaas , "Ira Weiny" , Li Ming , Richard Cheng , Terry Bowman , Alejandro Lucero , , , Subject: Re: [PATCH 1/3] cxl/port: Convert PCIe link latency to nanoseconds Message-ID: References: <20261009045452.1107921-1-den@valinux.co.jp> <20261009045452.1107921-2-den@valinux.co.jp> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20261009045452.1107921-2-den@valinux.co.jp> X-ClientProxiedBy: BY3PR04CA0006.namprd04.prod.outlook.com (2603:10b6:a03:217::11) To DS4PPF0BAC23327.namprd11.prod.outlook.com (2603:10b6:f:fc02::9) 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: DS4PPF0BAC23327:EE_|PH0PR11MB7493:EE_ X-MS-Office365-Filtering-Correlation-Id: ed525e22-952f-4481-c1cc-08df263259cf X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|23010399003|376014|7416014|22082099003|18002099003|4143699003|10067099003|56012099006|11063799006; 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The resulting > abstract distances can incorrectly reverse the memory tier ordering of > nodes. > > Convert the FlitLatency contribution to nanoseconds before adding it to > the access coordinates, rounding up as cdat_normalize() does. Reviewed-by: Alison Schofield