AuxXxilium/linux_dsm_epyc7002
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16b0e0695a
linux_dsm_epyc7002/drivers/infiniband/hw/mlx5
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Daniel Jurgens 16b0e0695a IB/mlx5: Use cache line size to select CQE stride 
When creating kernel CQs use 128B CQE stride if the
cache line size is 128B, 64B otherwise.  This prevents
multiple CQEs from residing in a 128B cache line,
which can cause retries when there are concurrent
read and writes in one cache line.

Tested with IPoIB on PPC64, saw ~5% throughput
improvement.

Fixes: e126ba97db ('mlx5: Add driver for Mellanox Connect-IB adapters')
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-16 20:03:44 -05:00
..
ah.c IB/mlx5: Add RoCE fields to Address Vector 2015-12-23 12:07:37 -05:00
cq.c IB/mlx5: Use cache line size to select CQE stride 2016-11-16 20:03:44 -05:00
doorbell.c IB/mlx5: Fix Mellanox copyright note 2015-04-02 16:33:42 -04:00
gsi.c IB/mlx5: Fix iteration overrun in GSI qps 2016-08-02 14:32:51 -04:00
ib_virt.c IB/mlx5: Implement callbacks for manipulating VFs 2016-03-21 17:13:14 -04:00
Kconfig net/mlx5: Extend mlx5_core to support ConnectX-4 Ethernet functionality 2015-05-30 18:24:51 -07:00
mad.c IB/{core,hw}: Add constant for node_desc 2016-10-07 16:54:34 -04:00
main.c IB/mlx5: Fix memory leak in query device 2016-11-16 20:03:44 -05:00
Makefile IB/mlx5: Implement callbacks for manipulating VFs 2016-03-21 17:13:14 -04:00
mem.c IB/mlx5: Fix the size parameter to find_first_bit 2016-09-02 13:46:12 -04:00
mlx5_ib.h Merge of primary rdma-core code for 4.9 2016-10-09 17:04:33 -07:00
mr.c IB/mlx5: Move and decouple user vendor structures 2016-10-07 16:54:34 -04:00
odp.c IB/mlx5/odp: Remove deprecated create_singlethread_workqueue 2016-10-07 16:54:29 -04:00
qp.c IB/mlx5: Validate requested RQT size 2016-11-16 20:03:44 -05:00
srq.c IB/mlx5: Move and decouple user vendor structures 2016-10-07 16:54:34 -04:00