linux_dsm_epyc7002/drivers/infiniband
Yishai Hadas dc2316eba7 IB/mlx5: Fix device memory flows
Fix device memory flows so that only once there will be no live mmaped
VA to a given allocation the matching object will be destroyed.

This prevents a potential scenario that existing VA that was mmaped by
one process might still be used post its deallocation despite that it's
owned now by other process.

The above is achieved by integrating with IB core APIs to manage
mmap/munmap. Only once the refcount will become 0 the DM object and its
underlay area will be freed.

Fixes: 3b113a1ec3 ("IB/mlx5: Support device memory type attribute")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Link: https://lore.kernel.org/r/20191212100237.330654-3-leon@kernel.org
Signed-off-by: Doug Ledford <dledford@redhat.com>
2019-12-12 16:55:36 -05:00
..
core IB/core: Introduce rdma_user_mmap_entry_insert_range() API 2019-12-12 16:55:36 -05:00
hw IB/mlx5: Fix device memory flows 2019-12-12 16:55:36 -05:00
sw rxe: correctly calculate iCRC for unaligned payloads 2019-12-09 13:55:26 -05:00
ulp Merge branch 'ib-guids' into rdma.git for-next 2019-11-25 10:31:47 -04:00
Kconfig RDMA/iw_cxgb3: Remove the iw_cxgb3 module from kernel 2019-10-04 15:08:59 -03:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00