Re: [PATCH rdma-next 1/2] RDMA/core: Prevent rereg_mr for dmabuf umems
Leon Romanovsky <[email protected]>
| Newsgroups | org.kernel.vger.linux-rdma |
|---|---|
| Message-ID | <[email protected]> |
On Tue, 28 Jul 2026 14:15:00 +0000, Jacob Moroni wrote:
> The rereg_mr method has always been explicitly blocked in
> rdma-core for dmabuf MRs anyway, so add a check to the
> ib_umem_check_rereg helper so that each driver doesn't need
> to handle it.
>
> Depending on how the driver handled rereg_mr, this also
> has the benefit of preventing rereg_mr from being used
> to add the IB_ACCESS_MW_BIND flag to a dmabuf MR. This
> flag is not allowed during registration, so it seems
> sensible to prevent it from being added back with rereg_mr.
>
> [...]
Applied, thanks!
[1/2] RDMA/core: Prevent rereg_mr for dmabuf umems
https://git.kernel.org/rdma/rdma/c/09d09e5d79f317
[2/2] RDMA/irdma: Remove dmabuf checks in rereg_mr
https://git.kernel.org/rdma/rdma/c/d24ce259185e76
Best regards,
--
Leon Romanovsky <[email protected]>