diff options
| author | Michael Guralnik <michaelgur@mellanox.com> | 2020-02-12 09:35:59 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-02-13 13:38:02 -0400 |
| commit | f03d9fadfe13a78ee28fec320d43f7b37574adcb (patch) | |
| tree | 93e35fb818ea3843ba89a9bbec7bb68e0e85bff8 /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | RDMA/ucma: Mask QPN to be 24 bits according to IBTA (diff) | |
| download | linux-f03d9fadfe13a78ee28fec320d43f7b37574adcb.tar.gz linux-f03d9fadfe13a78ee28fec320d43f7b37574adcb.zip | |
RDMA/core: Add weak ordering dma attr to dma mapping
For memory regions registered with IB_ACCESS_RELAXED_ORDERING will be dma
mapped with the DMA_ATTR_WEAK_ORDERING.
This will allow reads and writes to the mapping to be weakly ordered, such
change can enhance performance on some supporting architectures.
Link: https://lore.kernel.org/r/20200212073559.684139-1-leon@kernel.org
Signed-off-by: Michael Guralnik <michaelgur@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions