RE: [PATCH RFC] IB/core: add max_send_sge and max_recv_sge attributes

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> -----Original Message-----
> From: Jason Gunthorpe <jgg@xxxxxxxx>
> Sent: Monday, June 11, 2018 12:11 PM
> To: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
> Cc: dledford@xxxxxxxxxx; linux-rdma@xxxxxxxxxxxxxxx;
> selvin.xavier@xxxxxxxxxxxx; devesh.sharma@xxxxxxxxxxxx;
> somnath.kotur@xxxxxxxxxxxx; sriharsha.basavapatna@xxxxxxxxxxxx;
> dennis.dalessandro@xxxxxxxxx; mike.marciniszyn@xxxxxxxxx;
> oulijun@xxxxxxxxxx; xavier.huwei@xxxxxxxxxx; faisal.latif@xxxxxxxxx;
> shiraz.saleem@xxxxxxxxx; yishaih@xxxxxxxxxxxx; leonro@xxxxxxxxxxxx;
> aditr@xxxxxxxxxx; pv-drivers@xxxxxxxxxx; monis@xxxxxxxxxxxx;
> sagi@xxxxxxxxxxx; hch@xxxxxx; santosh.shilimkar@xxxxxxxxxx;
> sfrench@xxxxxxxxx; chuck.lever@xxxxxxxxxx
> Subject: Re: [PATCH RFC] IB/core: add max_send_sge and max_recv_sge
> attributes
> 
> On Tue, Jun 05, 2018 at 11:14:51AM -0700, Steve Wise wrote:
> > Some devices have vastly different max sge depths for RQs vs SQs.  So
add
> > queue-specific attributes so applications can take full advantage of
> > hw capabilities.
> >
> > Cc: Selvin Xavier <selvin.xavier@xxxxxxxxxxxx>
> > Cc: Devesh Sharma <devesh.sharma@xxxxxxxxxxxx>
> > Cc: Somnath Kotur <somnath.kotur@xxxxxxxxxxxx>
> > Cc: Sriharsha Basavapatna <sriharsha.basavapatna@xxxxxxxxxxxx>
> > Cc: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxx>
> > Cc: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx>
> > Cc: Lijun Ou <oulijun@xxxxxxxxxx>
> > Cc: Wei Hu(Xavier) <xavier.huwei@xxxxxxxxxx>
> > Cc: Faisal Latif <faisal.latif@xxxxxxxxx>
> > Cc: Shiraz Saleem <shiraz.saleem@xxxxxxxxx>
> > Cc: Yishai Hadas <yishaih@xxxxxxxxxxxx>
> > Cc: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> > Cc: Adit Ranadive <aditr@xxxxxxxxxx>
> > Cc: VMware PV-Drivers <pv-drivers@xxxxxxxxxx>
> > Cc: Moni Shoua <monis@xxxxxxxxxxxx>
> > Cc: Sagi Grimberg <sagi@xxxxxxxxxxx>
> > Cc: Christoph Hellwig <hch@xxxxxx>
> > Cc: Santosh Shilimkar <santosh.shilimkar@xxxxxxxxxx>
> > Cc: Steve French <sfrench@xxxxxxxxx>
> > Cc: Chuck Lever <chuck.lever@xxxxxxxxxx>
> >
> > Signed-off-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
> > ---
> >  drivers/infiniband/core/uverbs_cmd.c            |  2 +-
> >  drivers/infiniband/hw/bnxt_re/ib_verbs.c        |  3 ++-
> >  drivers/infiniband/hw/cxgb3/iwch_provider.c     |  3 ++-
> >  drivers/infiniband/hw/cxgb4/provider.c          |  3 ++-
> >  drivers/infiniband/hw/hfi1/verbs.c              |  3 ++-
> >  drivers/infiniband/hw/hns/hns_roce_main.c       |  3 ++-
> >  drivers/infiniband/hw/i40iw/i40iw_verbs.c       |  3 ++-
> >  drivers/infiniband/hw/mlx4/main.c               |  4 ++--
> >  drivers/infiniband/hw/mlx5/main.c               |  3 ++-
> >  drivers/infiniband/hw/mthca/mthca_provider.c    |  5 +++--
> >  drivers/infiniband/hw/nes/nes_verbs.c           |  3 ++-
> >  drivers/infiniband/hw/ocrdma/ocrdma_verbs.c     |  3 ++-
> >  drivers/infiniband/hw/qib/qib_verbs.c           |  3 ++-
> >  drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c |  3 ++-
> >  drivers/infiniband/sw/rdmavt/qp.c               |  5 +++--
> >  drivers/infiniband/sw/rxe/rxe.c                 |  3 ++-
> >  drivers/infiniband/sw/rxe/rxe_qp.c              |  8 ++++----
> >  drivers/infiniband/ulp/ipoib/ipoib_cm.c         |  4 ++--
> >  drivers/infiniband/ulp/ipoib/ipoib_verbs.c      |  2 +-
> >  drivers/infiniband/ulp/isert/ib_isert.c         |  5 +++--
> >  drivers/infiniband/ulp/srpt/ib_srpt.c           |  6 ++++--
> >  drivers/nvme/host/rdma.c                        |  2 +-
> >  drivers/nvme/target/rdma.c                      |  4 ++--
> >  fs/cifs/smbdirect.c                             | 13 ++++++++++---
> >  include/rdma/ib_verbs.h                         |  3 ++-
> >  net/rds/ib.c                                    |  2 +-
> >  net/sunrpc/xprtrdma/svc_rdma_transport.c        |  3 ++-
> >  net/sunrpc/xprtrdma/verbs.c                     |  2 +-
> >  28 files changed, 66 insertions(+), 40 deletions(-)
> 
> You are re-sending this, right?
> 
> Jason

Yes.  Should I wait until rdma/for-next moved to 4.18-rc1?

Steve.

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