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Yishai Hadas authored
Any dma map underlying the MR should only be freed once the MR is fenced at the hardware. As of the above we first destroy the MKEY and just after that can safely call to dma_unmap_single(). Link: https://lore.kernel.org/r/20190723065733.4899-6-leon@kernel.org Cc: <stable@vger.kernel.org> # 4.3 Fixes: 8a187ee5 ("IB/mlx5: Support the new memory registration API") Signed-off-by: Yishai Hadas <yishaih@mellanox.com> Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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