Re: [PATCH rdma-next 01/15] RDMA/mlx5: Allow optional access flags in DM registration

From: Jason Gunthorpe

Date: Tue Aug 11 2026 - 15:34:21 EST


On Sun, 26 Jul 2026 12:29:15 +0300, Michael Gur <michaelgur@xxxxxxxxxx> wrote:
> The uverbs ABI reserves the optional access flags range as best-effort:
> drivers should accept any flag in this range and treat the actual support
> as opportunistic, never failing registration when an optional flag is
> requested.
>
> Add the optional access flag to the allow-lists of DM registrations.
> Uverbs users can now request any optional access flag on DM registrations
> and mlx5 will apply the flag's effect on a best-effort basis when
> supported.
>
> [...]

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

--
Jason