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

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On Tue, Jul 27, 2021 at 06:31:59AM -0500, Bob Pearson wrote:
> On 7/27/21 6:30 AM, Leon Romanovsky wrote:
> > 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@xxxxxxxxx>
> >> ---
> >>  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
> > 
> This is a step in that direction. There are more coming.

Glad to hear, thank you for your work.

> Regards,
> 
> Bob



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