netdev - Re: [pull request][for-next 0/9] Generic DIM lib for netdev and RDMA

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Date:   Thu, 6 Jun 2019 13:07:18 +0000
From:   Jason Gunthorpe <jgg@...lanox.com>
To:     Max Gurtovoy <maxg@...lanox.com>
CC:     Leon Romanovsky <leon@...nel.org>,
        Saeed Mahameed <saeedm@...lanox.com>,
        "David S. Miller" <davem@...emloft.net>,
        Doug Ledford <dledford@...hat.com>,
        Michael Chan <michael.chan@...adcom.com>,
        Andy Gospodarek <andy@...yhouse.net>,
        Tal Gilboa <talgi@...lanox.com>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [pull request][for-next 0/9] Generic DIM lib for netdev and RDMA

On Thu, Jun 06, 2019 at 10:19:41AM +0300, Max Gurtovoy wrote:
> > > Solution:
> > > - Common logic is declared in include/linux/dim.h and implemented in
> > >    lib/dim/dim.c
> > > - Net DIM (existing) logic is declared in include/linux/net_dim.h and
> > >    implemented in lib/dim/net_dim.c, which uses the common logic from dim.h
> > > - Any new DIM logic will be declared in "/include/linux/new_dim.h" and
> > >     implemented in "lib/dim/new_dim.c".
> > > - This new implementation will expose modified versions of profiles,
> > >    dim_step() and dim_decision().
> > > 
> > > Pros for this solution are:
> > > - Zero impact on existing net_dim implementation and usage
> > > - Relatively more code reuse (compared to two separate solutions)
> > > - Increased extensibility
> > > 
> > > Tal Gilboa (6):
> > >        linux/dim: Move logic to dim.h
> > >        linux/dim: Remove "net" prefix from internal DIM members
> > >        linux/dim: Rename externally exposed macros
> > >        linux/dim: Rename net_dim_sample() to net_dim_update_sample()
> > >        linux/dim: Rename externally used net_dim members
> > >        linux/dim: Move implementation to .c files
> > > 
> > > Yamin Friedman (3):
> > >        linux/dim: Add completions count to dim_sample
> > >        linux/dim: Implement rdma_dim
> > >        RDMA/core: Provide RDMA DIM support for ULPs
> > Saeed,
> > 
> > No, for the RDMA patches.
> > We need to see usage of those APIs before merging.
> 
> I've asked Yamin to prepare patches for NVMeoF initiator and target for
> review, so I guess he has it on his plate (this is how he tested it..).
> 
> It might cause conflict with NVMe/blk branch maintained by Sagi, Christoph
> and Jens.

It looks like nvme could pull this series + the RDMA patches into the
nvme tree via PR? I'm not familiar with how that tree works.

But we need to get the patches posted right away..

Jason