linux/drivers/infiniband/hw
Jason Gunthorpe 50211ec944 RDMA/mlx5: Split sig_err MR data into its own xarray
The locking model for signature is completely different than ODP, do not
share the same xarray that relies on SRCU locking to support ODP.

Simply store the active mlx5_core_sig_ctx's in an xarray when signature
MRs are created and rely on trivial xarray locking to serialize
everything.

The overhead of storing only a handful of SIG related MRs is going to be
much less than an xarray full of every mkey.

Link: https://lore.kernel.org/r/20191009160934.3143-3-jgg@ziepe.ca
Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-28 16:41:13 -03:00
..
bnxt_re RDMA/bnxt_re: Fix spelling mistake "missin_resp" -> "missing_resp" 2019-09-16 10:58:57 -03:00
cxgb3 RDMA/{cxgb3, cxgb4, i40iw}: Remove common code 2019-08-12 10:19:43 -04:00
cxgb4 RDMA/cxgb4: Do not dma memory off of the stack 2019-10-04 15:13:27 -03:00
efa RDMA/efa: Fix incorrect error print 2019-09-16 14:25:43 -03:00
hfi1 RDMA/hfi1: Prevent memory leak in sdma_init 2019-10-01 11:34:55 -03:00
hns RDMA subsystem updates for 5.4 2019-09-21 10:26:24 -07:00
i40iw RDMA/i40iw: Associate ibdev to netdev before IB device registration 2019-10-04 14:29:14 -03:00
mlx4 Merge tag 'v5.3-rc8' into rdma.git for-next 2019-09-13 16:59:51 -03:00
mlx5 RDMA/mlx5: Split sig_err MR data into its own xarray 2019-10-28 16:41:13 -03:00
mthca IB: Remove unneeded memset 2019-07-03 14:26:49 -03:00
ocrdma RDMA: Introduce ib_port_phys_state enum 2019-08-12 10:18:52 -04:00
qedr RDMA: Introduce ib_port_phys_state enum 2019-08-12 10:18:52 -04:00
qib mm/gup: add make_dirty arg to put_user_pages_dirty_lock() 2019-09-24 15:54:08 -07:00
usnic mm/gup: add make_dirty arg to put_user_pages_dirty_lock() 2019-09-24 15:54:08 -07:00
vmw_pvrdma RDMA/vmw_pvrdma: Free SRQ only once 2019-10-01 10:47:58 -03:00
Makefile rdma: Remove nes 2019-06-13 09:59:49 -04:00