Commit 2ca7e93b authored by Or Har-Toov's avatar Or Har-Toov Committed by Leon Romanovsky
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RDMA/mlx5: Adding remote atomic access flag to updatable flags 



Currently IB_ACCESS_REMOTE_ATOMIC is blocked from being updated via UMR
although in some cases it should be possible. These cases are checked in
mlx5r_umr_can_reconfig function.

Fixes: ef3642c4 ("RDMA/mlx5: Fix error unwinds for rereg_mr")
Signed-off-by: default avatarOr Har-Toov <ohartoov@nvidia.com>
Link: https://lore.kernel.org/r/24dac73e2fa48cb806f33a932d97f3e402a5ea2c.1712140377.git.leon@kernel.org


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 8c1185fe

drivers/infiniband/hw/mlx5/mr.c

+2 −1
Original line number Diff line number Diff line
@@ -1572,7 +1572,8 @@ static bool can_use_umr_rereg_access(struct mlx5_ib_dev *dev, 
	unsigned int diffs = current_access_flags ^ target_access_flags;



	if (diffs & ~(IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE |

		      IB_ACCESS_REMOTE_READ | IB_ACCESS_RELAXED_ORDERING))

		      IB_ACCESS_REMOTE_READ | IB_ACCESS_RELAXED_ORDERING |

		      IB_ACCESS_REMOTE_ATOMIC))

		return false;

	return mlx5r_umr_can_reconfig(dev, current_access_flags,

				      target_access_flags);