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Wed, 10 Jul 2024 18:26:28 -0500 Message-ID: <5e8240d1-01ee-4cd4-8b6c-df951325d86f@amd.com> Date: Wed, 10 Jul 2024 19:26:27 -0400 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/6] PCI: align small (<4k) BARs To: Bjorn Helgaas , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" CC: , , References: <20240709133610.1089420-1-stewart.hildebrand@amd.com> Content-Language: en-US From: Stewart Hildebrand In-Reply-To: <20240709133610.1089420-1-stewart.hildebrand@amd.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000044F8:EE_|SJ0PR12MB6943:EE_ X-MS-Office365-Filtering-Correlation-Id: c0a5ff71-a0b6-4396-1c75-08dca137bb43 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|36860700013|1800799024; X-Microsoft-Antispam-Message-Info: =?utf-8?B?LzJGdTZKd1diMU5yTDdTaUdMaGtyU0o5L2lkT3hac2krQStuUitEcStFd0FO?= =?utf-8?B?UkVjM2tCMzBSQmV0eTJRKzc3b2MyWDZtTTYzajJkNGpWUWk2OEptYkpqY0dJ?= =?utf-8?B?TnZ0YXM1b3l4NnJKbytxRWdsUjRSMDN3a1lTdjZlazZUalllcWtnMTBkRHlp?= =?utf-8?B?VFc1Mkdac3lZWG8rUEM5c04xaTNCZjY0VVBITE5aMldKQTNkb3ZReXZBblRk?= =?utf-8?B?U0lpVjNqdVI1TFZnbm5RQWRBNjljUy9Yd01ScS9PUDlJcDgzUDg5eXFJai81?= =?utf-8?B?NnBMNXNvcUxXY0hRM1VkaTZLaE1hTHIzSUFFZUpZQkNrMGg4MUdtYWlHeHRY?= =?utf-8?B?OHhuV3ZqZi9GdWNHVzdIV2xVOXdsOVVuM3gxVDBxckFqTTJFSExwUHFzSWpN?= =?utf-8?B?RFJMNmZTeS9JVE5lZDN2ZWNvU3dOOUlZRjVvdTRHMnRlM2pEZ2tCeC9RaVVI?= =?utf-8?B?NVV3RTdQY2xIcW56UnkyTjNyTGYyYXRwMWhsdytXaTR6MWJzeGN2NGJVSFYr?= =?utf-8?B?MmFNMVFWaTNobVdpVFA1TnprSy81ZWtkSDdmdDZsbERuakp6c1JndGx1cGQ3?= =?utf-8?B?aUlTRURkZCtDUjF1SXV5ZE1kQWx5cVM2ZXJaU0NjNlVkeklSQ0pleGh3NDNu?= =?utf-8?B?citmSEFHRit3VU12Znd6bjBOTEh1bnM0Y0VUVjNaQS8rcHVsdU9GT2FBMjZz?= =?utf-8?B?SjVRUlRWL0JkemxYODdrRGQ1bEpCcjRFRFNzOGZ0MlY0L205b2M0TkRnR0hx?= =?utf-8?B?R2hRN21kOHFsSlVEM25EdnA2TXVDRGsrUDNpcVJEcWM3WTVJWDcvbTBEQ25h?= =?utf-8?B?ZDNkdlBtdXRPSkhrVzNDRXpsR0VQOFE2UE9LQ1RjTWRxZUxKQTFiNU4vNHdP?= =?utf-8?B?T3QyTVV6cG9qazZHdjdYQnpnMnZoL1hBNWl2RDIzWHMyRE5oc2JhQnlYYUFa?= =?utf-8?B?QmRMQ0d1YTBsTVRwVDY3aTBtcVNNTm5NL1RvUVo0bllOY0hINGVCdSs2OURq?= =?utf-8?B?U25hUXloYUhBeUtYRUNkUVRnRmpiWE1IWFlnRS9CK2xhS0NFays3ckI5ZnRT?= =?utf-8?B?cGd2bE9uT2RJV002VjBid2NHVU9uZkdWY1lpeS9qZkd1a3Z1WGsyZ1d5V0dh?= =?utf-8?B?QlRoZnZNcTVRMDVURmdYN0VlRFhVbzFZamlVZGlsZkl0RUFBZ3c1RjRSallT?= =?utf-8?B?M0RoZitTdzNsZE5pRGt4YXhHUGNodHROU1pjM2J5WjZvTlljejcyNitZK1pw?= =?utf-8?B?aktzZ1JPaUM2YjlMWmxUZHp2b3lYdEZLK0NMdldyWG9hMnRrRGJ0dGgwcVh1?= =?utf-8?B?L1pTNzJ6WnU2RFNRQ1I1SUFaaDJZazhiZ3RIckU0aUlJclNud256eVdwUDZh?= =?utf-8?B?dEpIS2RNRFl6Tm91dUJwUEhZTnhrYU03M1NuVXZ4YjlQb2h6MysxV08wWjdr?= =?utf-8?B?V2dRb1RhbGpwME1RSzhNd3BHT2U2b1B0c2oySSt3aFA4YUw0MEx0THFkOTc1?= =?utf-8?B?TzZneE42Wm5mRG9pZ1BDVHVXQWpYVWhJMVFBZFpJOFFYMHU4T2wzZXdXbml6?= =?utf-8?B?Z0xHS3VPS0lmV1Z4Ym1CZW85eXZVQkNLbXhNOFdMZWpINktoZXpPc3F0ODNN?= =?utf-8?B?UEVBU2xCNEN2U3gyc0ZoaDYxRHRsTDJPQUZpSVlLRkZoZmQ1Q0xWRDlLZkFS?= =?utf-8?B?TzBwTXE4TkRvdkRlZW5XR2NPeG1PMXk0cEJUanI4SlBCUzd2dVhQUlpFdXFQ?= =?utf-8?B?cTNqQVFBNnpEbFU0T2hhMjJHTk1ORy9iV05uRDVoZHA0cDRJMmhGbmgreTVl?= =?utf-8?B?bkR6KzFodkprcU5DemRsckVnVUhjb1FiMS84SjhLd0RtNGwwdmhDekxPSjgr?= =?utf-8?B?b1lCRjNYdW5PZG94YVNQRXFuZUFMSm16WEJld3hKUGR6Wmc9PQ==?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(82310400026)(36860700013)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Jul 2024 23:26:31.3497 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c0a5ff71-a0b6-4396-1c75-08dca137bb43 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000044F8.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB6943 On 7/9/24 09:35, Stewart Hildebrand wrote: > This series sets the default minimum resource alignment to 4k for memory > BARs. In preparation, it makes an optimization and addresses some corner > cases observed when reallocating BARs. I consider the prepapatory > patches to be prerequisites to changing the default BAR size. Sorry, I meant for this to say default BAR "alignment", not "size"