ACK/Cmnt: [xenial:azure][PATCH] IB/mlx5: Fix MR registration flow to use UMR properly

[Stefan Bader]

On 22.08.19 17:25, Marcelo Henrique Cerri wrote:
> From: Guy Levi <guyle at mellanox.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/1840189
> 
> Driver shouldn't allow to use UMR to register a MR when
> umr_modify_atomic_disabled is set. Otherwise it will always end up with a
> failure in the post send flow which sets the UMR WQE to modify atomic access
> right.
> 
> Fixes: c8d75a980fab ("IB/mlx5: Respect new UMR capabilities")
> Signed-off-by: Guy Levi <guyle at mellanox.com>
> Reviewed-by: Moni Shoua <monis at mellanox.com>
> Signed-off-by: Leon Romanovsky <leonro at mellanox.com>
> Link: https://lore.kernel.org/r/20190731081929.32559-1-leon@kernel.org
> Signed-off-by: Doug Ledford <dledford at redhat.com>
> (cherry picked from commit e5366d309a772fef264ec85e858f9ea46f939848)
> Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri at canonical.com>
> ---
>  drivers/infiniband/hw/mlx5/mr.c | 27 +++++++++------------------
>  1 file changed, 9 insertions(+), 18 deletions(-)
> 
Submitting a xenial and disco patch without a cover-email is really asking for
trouble (or being ignored). For now anyway:

Acked-by: Stefan Bader <stefan.bader at canonical.com>

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