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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?yZDLKkLJw843JyPRJ9SUoaH6DM4GpO07+FwgqG4z+l7LgpTgINIxs3Sne91E?= =?us-ascii?Q?GZ5ciCG9pW2+G0sHfHlAz8RtUY5eKqL8otbuInOn4NNk2xuw8N2lquQr5g69?= =?us-ascii?Q?5l+4tbc/2rKaLah5aYI4656EmOs1S3qjcIZ21/wAOvan54tVuqdSb8zs2u6W?= =?us-ascii?Q?qjRFW8ewf+hN4hYpYhNzxsigdmB8PGNxHyGemYo9F7qKsiRhkAPgRToEhT7c?= =?us-ascii?Q?UvpGNUvto/1MSUPwoxgaaKqtztpN02Z6mxYL41XFSPXzCagmFrZTr93ekA08?= =?us-ascii?Q?whSn4ClCwp4q3G4d/eQJPvLliysAviZDJKXfCZ8RYV7iFQ1oSF5DCxqeQ41r?= =?us-ascii?Q?3ZKaHNX1bOtp5w/ciN1L7XGsn4Ox0btB96pndW5vxmtu6Fm6sKgMh9JUd+Yj?= =?us-ascii?Q?pBJw+ufRUVt3fzCcKG7003c5CBobpA5xM+k+5pu5yy7VCFCl7CVsLYJ37iQB?= =?us-ascii?Q?039Dno5oRDTLteCDGZmFEvzw8rHNjZ28HmzTGSmQbUq1VNG4nAVuxdCarsR7?= =?us-ascii?Q?n4lOI0/iyhBhnP+iO+V+HhkjI+qQkBjJzfFVi9J7yaBwsib9OvQs/67m74lz?= =?us-ascii?Q?2rgDSFGQ4isGcNhxmDrXRPPvpmChN8aQRdIgWtuiSmnFTjr69ECEApJQNCRs?= =?us-ascii?Q?eiYGJXvU3uEVtaRzzlJYoAmCYzcAP48acHFGkwwOKFo+CuOley8rLyNEszrP?= =?us-ascii?Q?YoXf2u+mYDCbpH6ULx42v/heWYeczHitMv+IywaOGylkYlh7BIsoFUXiTTPZ?= =?us-ascii?Q?SgRnttn5PGb7nuuT2c8e+yBx5CJZKuxMfYNC/24F+oIBzflpBQScTdFvY72L?= =?us-ascii?Q?bPcs8wDzhzfgIovPPCggfkQT3qsn2NpKKJHHuKKvbQ/wbt0Wux6WQ8CJmOpj?= =?us-ascii?Q?9cIHP3VJMNI7KnrbYUUmTMULnMdBTpxPj6GFbMZd+Nkeo5qBAJyWMeoKhQM7?= =?us-ascii?Q?c1msoOsC7f4l6Xq2UxYhiU9bYFO7OjcShuda4d1YlYEkid0LQ4Qistfw6xyO?= =?us-ascii?Q?JhMA3FtwtfRxB5Lh+jOgmjKVEo3BEWGZyHIsCbCWKem9QV+sQ/v5MtxGowah?= =?us-ascii?Q?UUa33DO31vyChzsouNPN5f9w/XGT4Jy34EmJL2lstqE8EB2L6G2cJBgO6TzT?= =?us-ascii?Q?VQPFwDTrdrAKpIbnYN42vxIVidtrMXIbDv9tNcxoNy25WPK8RRQ55v01ioHA?= =?us-ascii?Q?oUtwvhRKmobY6JksjmEFO5EBgjGPLAk/+Z2CtxKeg6F1LT9vDKAFcKJToPRD?= =?us-ascii?Q?G2mEGks1Nsrx9uYResbxlPhbPRUO8Sk0zuNdA61Gel0Rz+/+7vdWUL3APsln?= =?us-ascii?Q?8inFO6Jh5jlJjwaLO2b1+clDRTEUUfqOqR+PnIIh3W0IOo7+nD/gPLfamzTI?= =?us-ascii?Q?RsSjqLcG16b0Hz33LfFtUz8M6NDsEJcXT31pUriyJbdCIFlD3aPUKKlGGkIK?= =?us-ascii?Q?ZvZLrrKWDgouZP0FfnOGqJKHwLxP7v9cprvPDU5/0Ewr9T/Knyr0Pwbtglgz?= =?us-ascii?Q?tBli9Gjj2Q6Usvm0ta23iL7VnEmRQCaFIJlj4uXZj7zeqwE1kKw0BTFhZ6rH?= =?us-ascii?Q?XzAwwnOU+whtJs+Vnj6CyDJ6DsDHzddUX//vvOxZEHdy7NHU3XwnOsHQQPHd?= =?us-ascii?Q?wQ=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 2289fcf1-ee03-4702-b54c-08db03ada8be X-MS-Exchange-CrossTenant-AuthSource: PH8PR11MB8107.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Jan 2023 17:07:39.9915 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: +iQnPT+UZDbHEp6CXB9swkSSzIABV74kPrhz1379PsCbS8QzAm2FTyk+HMLOj+rAZd1Xcq02Jvws6YeEC41Uw0da9gZrX7uNtQP7qnCIfCU= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR11MB6015 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Shesha Sreenivasamurthy wrote: [..] > There seems to be some instability in using DAX. When the system is > given all the device memory using efi=nosoftreserve, the stressapptest > (https://github.com/stressapptest/stressapptest) runs for an extended > period of time. However, when the system is booted without > efi=nosoftreserve, and assigned the special purpose memory to > system-ram using daxctl, the system crashes after some time (20-30 > mins). Is there any known instabilities when using DAX? One difference with late binding of memory is where kernel data structures are allocated. So the stress profile can change based on kernel activity. Otherwise there is no known instability with delaying the online of memory.