From: Or Har-Toov Date: Wed, 3 Apr 2024 10:36:01 +0000 (+0300) Subject: RDMA/mlx5: Adding remote atomic access flag to updatable flags X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2ca7e93bc963d9ec2f5c24d117176851454967af;p=linux.git 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: ef3642c4f54d ("RDMA/mlx5: Fix error unwinds for rereg_mr") Signed-off-by: Or Har-Toov Link: https://lore.kernel.org/r/24dac73e2fa48cb806f33a932d97f3e402a5ea2c.1712140377.git.leon@kernel.org Signed-off-by: Leon Romanovsky --- diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 7f7b1f59b5f05..ecc111ed5d86e 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -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);