Re: [PATCH for-next] RDMA/rxe: Let rdma-core manage PDs

[Leon Romanovsky <leon@kernel.org>]

On Mon, Jul 26, 2021 at 04:58:16PM -0500, Bob Pearson wrote:
> Currently several rxe objects hold references to PDs which are ref-
> counted. This replicates work already done by RDMA core which takes
> references to PDs in the ib objects which are contained in the rxe
> objects. This patch removes struct rxe_pd from rxe objects and removes
> reference counting for PDs except for PD alloc and PD dealloc. It also
> adds inline extractor routines which return PDs from the PDs in the
> ib objects. The names of these are made consistent including a rxe_
> prefix.
> 
> Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
> ---
>  drivers/infiniband/sw/rxe/rxe_comp.c  |  4 ++--
>  drivers/infiniband/sw/rxe/rxe_loc.h   |  4 ++--
>  drivers/infiniband/sw/rxe/rxe_mr.c    |  8 +++----
>  drivers/infiniband/sw/rxe/rxe_mw.c    | 31 +++++++++++----------------
>  drivers/infiniband/sw/rxe/rxe_qp.c    |  9 +-------
>  drivers/infiniband/sw/rxe/rxe_req.c   |  2 +-
>  drivers/infiniband/sw/rxe/rxe_resp.c  |  4 ++--
>  drivers/infiniband/sw/rxe/rxe_verbs.c | 26 ++++++----------------
>  drivers/infiniband/sw/rxe/rxe_verbs.h | 24 +++++++++++++++------
>  9 files changed, 48 insertions(+), 64 deletions(-)

Last time when I looked on it, I came to conclusion that all RXE
references can be dropped.

Thanks