RDMA/irdma: Ensure iWarp QP queue memory is OS paged aligned

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The SQ is shared for between kernel and used by storing the kernel page
pointer and passing that to a kmap_atomic().

This then requires that the alignment is PAGE_SIZE aligned.

Fix by adding an iWarp specific alignment check.

Fixes: e965ef0e7b ("RDMA/irdma: Split QP handler into irdma_reg_user_mr_type_qp")
Link: https://lore.kernel.org/r/20231129202143.1434-3-shiraz.saleem@intel.com
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

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Mike Marciniszyn 2023-11-29 14:21:42 -06:00 • committed by Jason Gunthorpe

parent 4fbc3a52cd

commit 0a5ec366de

1 changed files with 5 additions and 0 deletions

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drivers/infiniband/hw/irdma/verbs.c

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