Re: [PATCH for-next v3 0/2] RDMA/rxe: RDMA FLUSH and ATOMIC WRITE with ODP

[Leon Romanovsky <leon@kernel.org>]

On Mon, Mar 24, 2025 at 04:56:47PM +0900, Daisuke Matsuda wrote:
> RDMA FLUSH[1] and ATOMIC WRITE[2] were added to rxe, but they cannot run
> in the ODP mode as of now. This series is for the kernel-side enablement.

<...>

> Daisuke Matsuda (2):
>   RDMA/rxe: Enable ODP in RDMA FLUSH operation
>   RDMA/rxe: Enable ODP in ATOMIC WRITE operation
> 
>  drivers/infiniband/sw/rxe/rxe.c      |   2 +
>  drivers/infiniband/sw/rxe/rxe_loc.h  |  18 ++++-
>  drivers/infiniband/sw/rxe/rxe_mr.c   |  48 ++++++------
>  drivers/infiniband/sw/rxe/rxe_odp.c  | 108 ++++++++++++++++++++++++++-
>  drivers/infiniband/sw/rxe/rxe_resp.c |  15 ++--
>  include/rdma/ib_verbs.h              |   2 +

I applied the series, but not sure that extending cap_bits for RXE only
is justified.

--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -325,6 +325,7 @@ enum ib_odp_transport_cap_bits {
        IB_ODP_SUPPORT_READ     = 1 << 3,
        IB_ODP_SUPPORT_ATOMIC   = 1 << 4,
        IB_ODP_SUPPORT_SRQ_RECV = 1 << 5,
+       IB_ODP_SUPPORT_FLUSH    = 1 << 6,
 };

Thanks

>  6 files changed, 159 insertions(+), 34 deletions(-)
> 
> -- 
> 2.43.0
>