On Fri, Feb 25, 2022 at 01:57:47PM -0600, Bob Pearson wrote:
> The commit referenced below can take a reference to the AH which is
> never dropped. This only happens in the UD request path. This patch
> optionally passes that AH back to the caller so that it can hold the
> reference while the AV is being accessed and then drop it. Code to
> do this is added to rxe_req.c. The AV is also passed to rxe_prepare
> in rxe_net.c as an optimization.
>
> Fixes: e2fe06c90806 ("RDMA/rxe: Lookup kernel AH from ah index in UD WQEs")
> Signed-off-by: Bob Pearson <rpearsonhpe@xxxxxxxxx>
> ---
> drivers/infiniband/sw/rxe/rxe_av.c | 19 +++++++++-
> drivers/infiniband/sw/rxe/rxe_loc.h | 5 ++-
> drivers/infiniband/sw/rxe/rxe_net.c | 17 +++++----
> drivers/infiniband/sw/rxe/rxe_req.c | 55 +++++++++++++++++-----------
> drivers/infiniband/sw/rxe/rxe_resp.c | 2 +-
> 5 files changed, 63 insertions(+), 35 deletions(-)
This should be ordered earlier as the prior patch turns this into a
bigger problem?
Jason
