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linux-stable/drivers/infiniband/hw
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Yishai Hadas 47f07f03b5 IB/mlx5: Block DEVX umem from the non applicable cases 
Blocks creating a DEVX UMEM with the non applicable access flags
as of ODP, MW_BIND, etc.

Specifically when an ODP flag is used below WARN call trace is issued.

[ 2510.404131] RIP: 0010:__mlx5_ib_populate_pas+0x207/0x220 [mlx5_ib]
...
[ 2510.404143] Call Trace:
[ 2510.404150]  ? __kmalloc_node+0x1b3/0x280
[ 2510.404156]  ? _uverbs_alloc+0x63/0x90 [ib_uverbs]
[ 2510.404158]  ? _uverbs_alloc+0x63/0x90 [ib_uverbs]
[ 2510.404162]  mlx5_ib_populate_pas+0x53/0x60 [mlx5_ib]
[ 2510.404167]  mlx5_ib_handler_MLX5_IB_METHOD_DEVX_UMEM_REG+0x273/0x3f0 [mlx5_ib]

Fixes: aeae94579c ("IB/mlx5: Add DEVX support for memory registration")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-12-06 11:38:14 -05:00
..
bnxt_re RDMA/bnxt_re: Avoid accessing the device structure after it is freed 2018-11-21 14:12:21 -07:00
cxgb3 RDMA/drivers: Use core provided API for registering device attributes 2018-10-17 03:45:01 -06:00
cxgb4 First merge window pull request 2018-10-26 07:38:19 -07:00
hfi1 IB/hfi1: Fix an out-of-bounds access in get_hw_stats 2018-12-03 16:05:19 -05:00
hns RDMA/hns: Bugfix pbl configuration for rereg mr 2018-11-23 13:11:47 -07:00
i40iw RDMA/drivers: Use core provided API for registering device attributes 2018-10-17 03:45:01 -06:00
mlx4 RDMA/drivers: Use core provided API for registering device attributes 2018-10-17 03:45:01 -06:00
mlx5 IB/mlx5: Block DEVX umem from the non applicable cases 2018-12-06 11:38:14 -05:00
mthca RDMA/drivers: Use core provided API for registering device attributes 2018-10-17 03:45:01 -06:00
nes First merge window pull request 2018-10-26 07:38:19 -07:00
ocrdma RDMA/drivers: Use core provided API for registering device attributes 2018-10-17 03:45:01 -06:00
qedr RDMA/drivers: Use core provided API for registering device attributes 2018-10-17 03:45:01 -06:00
qib First merge window pull request 2018-10-26 07:38:19 -07:00
usnic RDMA/drivers: Use core provided API for registering device attributes 2018-10-17 03:45:01 -06:00
vmw_pvrdma RDMA/drivers: Use core provided API for registering device attributes 2018-10-17 03:45:01 -06:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00