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Tue, 5 Nov 2024 15:17:25 +0000 Date: Tue, 5 Nov 2024 09:17:20 -0600 From: Ira Weiny To: Huang Ying , Dan Williams , Dave Jiang CC: , , Huang Ying , Jonathan Cameron , Davidlohr Bueso , Gregory Price , Alison Schofield , Vishal Verma , Ira Weiny , Alejandro Lucero , Ben Cheatham Subject: Re: [PATCH] cxl: Rename ACPI_CEDT_CFMWS_RESTRICT_TYPE2/TYPE3 Message-ID: <672a37005ec2a_14ccd729427@iweiny-mobl.notmuch> References: <20241104084110.583710-1-ying.huang@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20241104084110.583710-1-ying.huang@intel.com> X-ClientProxiedBy: MW4PR04CA0284.namprd04.prod.outlook.com (2603:10b6:303:89::19) To SA1PR11MB6733.namprd11.prod.outlook.com (2603:10b6:806:25c::17) Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA1PR11MB6733:EE_|MN0PR11MB6183:EE_ X-MS-Office365-Filtering-Correlation-Id: 895ed979-3bd1-4d2c-b7ec-08dcfdacf459 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|376014|366016|1800799024; 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Because type 3 memory can only > be host-only coherent before, while it can be host-only coherent or > device coherent with "Back-Invalidate" now. > > To avoid confusion about type 2/3 memory and device/host-only coherent > in Linux kernel, the patch renames corresponding bit definition from > ACPI_CEDT_CFMWS_RESTRICT_TYPE2/TYPE3 to > ACPI_CEDT_CFMWS_RESTRICT_DEVMEM/HOSTONLYMEM. This makes the kernel > code consistent with the spec too. > > The patch also renames the corresponding cxl_decoder flags > CXL_DECODER_F_TYPE2/TYPE3 to CXL_DECODER_F_DEVMEM/HOSTONLYMEM. > > No functionality change is expected. > > Signed-off-by: "Huang, Ying" > Suggested-by: Jonathan Cameron > Reviewed-by: Davidlohr Bueso > Reviewed-by: Gregory Price > Cc: Dan Williams > Cc: Dave Jiang > Cc: Alison Schofield > Cc: Vishal Verma > Cc: Ira Weiny Reviewed-by: Ira Weiny