Re: [PATCH rdma-next 03/15] RDMA/core: Allow optional access flags in dmabuf reg ioctl

On Sun, 26 Jul 2026 12:29:17 +0300, Michael Gur [off-list ref] 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-list of dmabuf registration
ioctl. Uverbs users can now request any optional access flag on dmabuf
registrations and drivers will apply the flag's effect on a best-effort
basis when supported.

[...]

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

-- 
Jason