RDMA/irdma: Remove use of kmap()

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kmap() is being deprecated and will break uses of device dax after PKS
protection is introduced.[1]

The kmap() used in the irdma CM driver is thread local.  Therefore
kmap_local_page() is sufficient to use and may provide performance
benefits as well.  kmap_local_page() will work with device dax and pgmap
protected pages.

Use kmap_local_page() instead of kmap().

[1] https://lore.kernel.org/lkml/20201009195033.3208459-59-ira.weiny@intel.com/

Link: https://lore.kernel.org/r/20210622165622.2638628-1-ira.weiny@intel.com
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

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Ira Weiny 2021-06-22 09:56:22 -07:00 • committed by Jason Gunthorpe

parent 6becfe913b

commit 7364e74d48

1 changed files with 4 additions and 4 deletions

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drivers/infiniband/hw/irdma/cm.c

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