Re: [PATCH rdma-next 3/3] IB/mlx5: Expose dump and fill memory key

2018-07-04 Thread Leon Romanovsky
On Wed, Jul 04, 2018 at 01:09:37PM -0600, Jason Gunthorpe wrote: > On Tue, Jun 19, 2018 at 08:47:24AM +0300, Leon Romanovsky wrote: > > From: Yonatan Cohen > > > > MLX5 IB HCA offers the memory key, dump_fill_mkey to boost > > performance, when used in a send or receive operations. > > > > It is

Re: [PATCH rdma-next 3/3] IB/mlx5: Expose dump and fill memory key

2018-07-04 Thread Jason Gunthorpe
On Tue, Jun 19, 2018 at 08:47:24AM +0300, Leon Romanovsky wrote: > From: Yonatan Cohen > > MLX5 IB HCA offers the memory key, dump_fill_mkey to boost > performance, when used in a send or receive operations. > > It is used to force local HCA operations to skip the PCI bus access, > while

[PATCH rdma-next 3/3] IB/mlx5: Expose dump and fill memory key

2018-06-18 Thread Leon Romanovsky
From: Yonatan Cohen MLX5 IB HCA offers the memory key, dump_fill_mkey to boost performance, when used in a send or receive operations. It is used to force local HCA operations to skip the PCI bus access, while keeping track of the processed length in the ibv_sge handling. Meaning, instead of a