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authorYishai Hadas <yishaih@nvidia.com>2020-09-30 19:38:26 +0300
committerJason Gunthorpe <jgg@nvidia.com>2020-10-01 16:44:05 -0300
commit8bfafde08693cc2e740134c3e32b40254f5d82ae (patch)
treea7f58420a3fcb448ce2794c60141e9c0d5565a6e /ipc/util.h
parent36f30e486dce22345c2dd3a3ba439c12cd67f6ba (diff)
IB/core: Enable ODP sync without faulting
Enable ODP sync without faulting, this improves performance by reducing the number of page faults in the system. The gain from this option is that the device page table can be aligned with the presented pages in the CPU page table without causing page faults. As of that, the overhead on data path from hardware point of view to trigger a fault which end-up by calling the driver to bring the pages will be dropped. Link: https://lore.kernel.org/r/20200930163828.1336747-3-leon@kernel.org Signed-off-by: Yishai Hadas <yishaih@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'ipc/util.h')
0 files changed, 0 insertions, 0 deletions