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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?TI0FZh6xQ75FozWvzVEtKIl8ZuWnAVPt0lAe0SyfnJSiwceuOuGjmR3IhMi5?= =?us-ascii?Q?+U9bZ6wu6Y+1799dJYJeY+O6e/QJmGPD1JOicNMmupBUMCYUnsWjAvR23X/g?= =?us-ascii?Q?ZFu0jJ2k56+XNGgUjjIMKSDTPXmUfA+Tjz2nADIh2qmnMPtkqJcrSh97QdUj?= =?us-ascii?Q?zcuP2yQFnEqrt01YGwljcwOjN6scySzAIn64g8t1bV6Sp+Z9G1zon/klEckT?= =?us-ascii?Q?RZrs+YTSO9ZLdkeMs7e3Va8zJ8t5ereZT+TFp70IkaYIR90HUX5PX+y7lhd9?= =?us-ascii?Q?eLLxe0bSuBtOa7mZuHPCFdFUL9UfgGIPX8hB7yjfESkAkUm75oNe4CmYEXlK?= =?us-ascii?Q?FNbAnZaUDuUR0zBZ5JIzO7sKslbImGIApTKrARBa4TIjM7PUgnGlab9x0JiU?= =?us-ascii?Q?jZ0aolngc71PKRy1THHnEgRD5RqLaFxUa0QgxopTaNVPsalPpVQUuYRWYJvP?= =?us-ascii?Q?IvWh2Vn6MM7OV5S5Ue+z/MkMDzyHctVQLckeW/FBerM+I0SIyfvs8XuFbCN9?= =?us-ascii?Q?8YcXPDzryfEA10TH6HsG/kwZx1tZoDE/8RRsWFTgD2mqpi0ZCNRkg0sKwfwK?= =?us-ascii?Q?/D8iM5jcE/canePfHCknhYrnS8JNr6uaBaYeWyq0/1ZCONIlerAFeBfsk7G1?= =?us-ascii?Q?mAc1LcSMdRv6KpH+5DGcL+HfnDaPXW/YvyLTil/mFs0/0rf5ujt0ZdUzMVGZ?= =?us-ascii?Q?MVsYOX/8dA6dTnhJ2Ew+UgzOzKJ6Jh21q712E+uS2T5BA/9XnKDsxfUdAhLA?= =?us-ascii?Q?BiCufSVwtreXQs/HLBSO47DYbsqLjzTuKmTl5OS72rPwlQNELH4LLVsYNZjF?= =?us-ascii?Q?fDVrlp9Qf8tTQffUMHqiejFFlMwXeGdfLBhQ8vGTxsbq+9CDK+bAfAWclGlZ?= =?us-ascii?Q?4+ApIIlBFpwNLwYP/jfHC82uKLjjAY8XCeJzHkpd3aW+RPycpToAgV66c/g8?= =?us-ascii?Q?wvZ4Pv5/3kYzPL+mW15rxqBeyqhE1oOqevc3sVl4+2RoFFVUnHetFAQ8guPd?= =?us-ascii?Q?W+SLaEOo9zjKzTv2UjggiU/MtpVcZnjsUrOma73qoJDYT+l3Mw5SPaoH9baI?= =?us-ascii?Q?u7epUHDIfQn3iU0Bxtzyrmnv1bQCz+KNSfx6KqL1+tibl/7Jsb+EM9Y4tWtQ?= =?us-ascii?Q?/5D/PwJ9pLmMEQR131QHn3FKEeN0o3FG1V9lyHQLxV9XhLNyTdIjNNg8IuAc?= =?us-ascii?Q?+YS5QjHkJwzuovWbDseqQ1XvWSK7wWSZchn6qh6gZGtliSPs5zLHgx33Ylhs?= =?us-ascii?Q?h+oirSpTtcZFoXmNDd6O3si3r7H94Vbf8sEod8JuCWmPExknteAUV4/+FW53?= =?us-ascii?Q?5a2wFbRaxrU4TDXgvjhoERY4cTRfu61b5w4SR2uYHPrYfqH+bRXC0kAoB1oW?= =?us-ascii?Q?/f8hl16hcQULuU+LBOA3dATJyp6rJyI+FpTlEMa26mqHyt1GKwJAwutjWER9?= =?us-ascii?Q?7qBiHGhUBru+ap9tRDFkJUwdmkKQrFUEdU2tVf55FGsa4O4ReVvQeWQGyFob?= =?us-ascii?Q?OBAxlMeg/RTo0xGhOsDWU2jYTdTfGeh30FujikHItttErpBf3F34L8Yhl4T8?= =?us-ascii?Q?ByPSx97x8FM1g8mihwXlaOn9iqBB0qwpMeJQM8hb?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: cc127c60-f927-40fb-5dd3-08dcff6a1400 X-MS-Exchange-CrossTenant-AuthSource: CH3PR12MB8659.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Nov 2024 20:23:44.8367 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: q3hu3HVCWMAz4bEtHvOOtG2NFNFqTrcfr5Us+Xw1A/l8g/j6XteSAxkZMkOemhZm X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4299 On Mon, Oct 07, 2024 at 10:13:21AM -0700, Steve Sistare wrote: > Define helpers to lock and unlock all iommufd_ctx objects. > This will allow DMA mappings to be updated atomically during live update. > This code is substantially the same as an initial version provided by > Jason, plus fixes. > > Signed-off-by: Jason Gunthorpe > Signed-off-by: Steve Sistare > --- > drivers/iommu/iommufd/ioas.c | 65 +++++++++++++++++++++++++++++++++ > drivers/iommu/iommufd/iommufd_private.h | 1 + > drivers/iommu/iommufd/main.c | 1 + > 3 files changed, 67 insertions(+) Reviewed-by: Jason Gunthorpe Jason