# Re: \[PATCH rdma-next 13/15\] RDMA/uverbs: Add new Unordered MR access flag

- From: Jason Gunthorpe \<jgg@nvidia.com\>
- Date: 2026-08-11 19:31:58 
- List: netdev
- Page: https://ratatoskr.run/netdev/2026/08/17398574
- Thread: https://ratatoskr.run/linux-rdma/2026/07/17320154/t.md

```text
On Sun, 26 Jul 2026 12:29:27 +0300, Michael Gur [ref] wrote:
> Add a new Unordered access flag for MR registrations.
> This access flag allows additional relaxing of the order of memory
> accesses to the memory region.
> Using this access flag allows for concurrent reads and writes of this MR
> to be reordered.
> 
> This access flag is part of the optional access flags range, drivers
> shouldn't fail registration for any value in this range and are expected
> to treat them as best-effort.
> 
> [...]

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>

-- 
Jason
```