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Tue, 25 May 2021 14:29:11 +0000 Received: from PH0PR01MB6439.prod.exchangelabs.com ([fe80::b43d:7749:62fa:2488]) by PH0PR01MB6439.prod.exchangelabs.com ([fe80::b43d:7749:62fa:2488%7]) with mapi id 15.20.4173.020; Tue, 25 May 2021 14:29:11 +0000 Subject: Re: [PATCH rdma-next] RDMA/rdmavt: Decouple QP and SGE lists allocations To: Jason Gunthorpe Cc: Leon Romanovsky , "Marciniszyn, Mike" , Doug Ledford , "linux-kernel@vger.kernel.org" , "linux-rdma@vger.kernel.org" References: <20210514150237.GJ1002214@nvidia.com> <0b3cc247-b67b-6151-2a32-e4682ff9af22@cornelisnetworks.com> <20210519182941.GQ1002214@nvidia.com> <1ceb34ec-eafb-697e-672c-17f9febb2e82@cornelisnetworks.com> <20210519202623.GU1002214@nvidia.com> <983802a6-0fa2-e181-832e-13a2d5f0fa82@cornelisnetworks.com> <20210525131358.GU1002214@nvidia.com> <4e4df8bd-4e3a-fe35-041d-ed3ed95be1cb@cornelisnetworks.com> <20210525142048.GZ1002214@nvidia.com> From: Dennis Dalessandro Message-ID: Date: Tue, 25 May 2021 10:29:08 -0400 User-Agent: Mozilla/5.0 (Macintosh; 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X-MS-Exchange-AntiSpam-MessageData: =?utf-8?B?M0YzNnBYa0RqZjdYT25CQ3JCYUlLUkphUHgwUjVHemZPSWpOcEZFUHNPVWFy?= =?utf-8?B?YmVrNHhURCtWL1RNWVZXcmM2Wk83R0V5YTVJWU5zK1FjYlpldCttcTJORGpn?= =?utf-8?B?dlBkYkluSU1KYk53bFUzSnByNGpNMjRpbDZBV3FXbGVtcmZ1UDByRDk5SHM0?= =?utf-8?B?VUtNRDF4WlpLL3BKeTVRVE5reE9rYnVzUnQ0Nmp2bzdCdjRpbW5mdEJSRHd3?= =?utf-8?B?emE4di9GdkNScm5Bb2tFRXlCdDJ6VytUeEN2MVU2RDBwUzIrTEpDbmVYT2g2?= =?utf-8?B?eWQ4VGRGRFhMSEFseGJXMjJqQlY1RzJYUDVOdmdmdkUzakEwNGVDY05STTFO?= =?utf-8?B?bUNQMndCNkVNeTcvWDlCV3JyVndpeWtCR1pOVTE0NkJhQVpFcjk0ZytuMzhx?= =?utf-8?B?ZFVyUHR5ZzdwZ2RXWXpRdXBLTkVZR2Y0OGluKzMwcVNxVW11Q2VmcDNaQ2xM?= =?utf-8?B?WVZtTWhrN2tiRndnR3FMS3BHQ2pJRWUrTnRYbzdSREEyTWJ1eFU4OHBOTzhK?= =?utf-8?B?UEp4Q0txRW5mL2RnRmZkMXg5RmEvSVdmMWtrdWNEaUZjVjBHdXYxbStpWUJi?= =?utf-8?B?M1JibGxKSFNWcUhHSVQyUnAxbXJERkIyU2hKN3NETk1IcnZJZFpCSGtZZysx?= =?utf-8?B?ak8rNDN1ZDdFbW5uclp4dDlSVjFmWmUyUElrZ0hGT1dFZjBRb2JlNUNsNG8y?= =?utf-8?B?Mi91eEQ2Wk9EMlNJMzRQdGxCYzZDbUZiRnFrZW04b2Ezd2R0SHBxOUtiVVhr?= =?utf-8?B?NDJBTUhXekNaN25MdDJEL3d0WWVienpHMkZQT1E5TVVXeDFsbnVwdG94YkRx?= =?utf-8?B?QlNBdkdLVmZjTFdhZ2RnV3g4R2tNa3lTUFI2aHJKbzhVZVg4cmVFWlRIZExU?= =?utf-8?B?ZnhtVllocVcwQWFHY1lzcjgrdVV4cWdubHE5NC9rd2ViNGpxZDQ2ajBPWGJF?= =?utf-8?B?NnNxaGhKVDdwMjZqakF5S01MdG1RcUFjUDZqZGZIVjJmSTVDRFNPNUcrR0pu?= =?utf-8?B?MHRuQ3dDK3RtcGczUHpmWm5NL2NYT0lVdmpVTmF6TFF0N3pETDBvQ2x3SXox?= =?utf-8?B?SnZtWmloVW1SUFh3Q0FrSjhSaVBlbWJFcDBMZllUcGhVMmhyTmFYdkd1OHc5?= =?utf-8?B?NDJOYTluc3FzMHc2bUdXcitvNGRtUzdveEZtb3pIUzViSzJaMGVhY2xBL2ZG?= =?utf-8?B?MkpncHkxdWl6T3diMDl0M05xNUdIemxyZDdvekc3UXd2NnRzS0dDT01EUlV2?= =?utf-8?B?NGJldmNDZGxZcVkwdEZhZ2J2MEl4eDUzK05kRlEzTXF6dGFENytZRE9DczEr?= =?utf-8?B?aURkbGdLak5JSzd1VExPT2VlcUZUMVNCSm9rMElGcklYRlZvWDROb0hjQWRN?= =?utf-8?B?SzZFUVRBb2IyYjF3VDdZUjhkTmJyQVpSOW9UVFFFNHRyQzJaT1FlTXJtZnRN?= =?utf-8?B?NnFscFZUcHEvcExDYmpMbnd0KzJYZ1VQWjVWQUExYjVHbFU0dldpUFZaMFRY?= =?utf-8?B?a3Z3WTFZMkxrdUViL3QxZ3pOaGxFRi83Ny9RSm0yLy8wSVZnUm50L1FqcWZy?= =?utf-8?B?VWJybnp5bThzT1ovY21rRmFnSEI3ZnhGbFhlWFFtSUVsUGFteVJnenJxMkNH?= =?utf-8?B?QTc1VTlya1FiNldwa21Dem94OTI3VGFhYy9YQ25jZldPSDJDODhmeHdQdnhr?= =?utf-8?B?OG1EMys4dk1ISzc5K0JkcExCZ2hxVU1kZzY4QVc0UnQvczRFME5yWGF5czk4?= =?utf-8?Q?+KRbkJnZsY/zOlNg7jWwwqb/rVKnfPfH/dqgcbn?= X-OriginatorOrg: cornelisnetworks.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2d718019-347e-46c3-940f-08d91f897699 X-MS-Exchange-CrossTenant-AuthSource: PH0PR01MB6439.prod.exchangelabs.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 May 2021 14:29:11.1866 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4dbdb7da-74ee-4b45-8747-ef5ce5ebe68a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: lDzi5Wi6SD17qstn5U/35Or/w9eOa/maxJI3nxHJbYag7vfs/nXMIBlYKZlzb7PjkQjD/K8ZDWVHuixqxV5m+XQx5Zjw1QMa2YigobpFUbYtAid2AoPAV3wV69HYygDh X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR01MB6198 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/25/21 10:20 AM, Jason Gunthorpe wrote: >> We are already mid 5.13 cycle. So the earliest this could be queued up to go >> in is 5.14. Can this wait one more cycle? If we can't get it tested/proven >> to make a difference mid 5.14, we will drop the objection and Leon's patch >> can go ahead in for 5.15. Fair compromise? > > Fine, but the main question is if you can use normal memory policy > settings, not this. Agreed. -Denny