linux-kernel - Re: [Pv-drivers] RFC: Network Plugin Architecture (NPA) for vmxnet3

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Message-ID: <20100712221655.1873954d@nehalam>
Date:	Mon, 12 Jul 2010 22:16:55 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Shreyas Bhatewara <sbhatewara@...are.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Pankaj Thakkar <pthakkar@...are.com>,
	"pv-drivers@...are.com" <pv-drivers@...are.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"virtualization@...ts.linux-foundation.org" 
	<virtualization@...ts.linux-foundation.org>
Subject: Re: [Pv-drivers] RFC: Network Plugin Architecture (NPA) for vmxnet3

On Mon, 12 Jul 2010 20:06:28 -0700
Shreyas Bhatewara <sbhatewara@...are.com> wrote:

> 
> On Thu, 2010-05-06 at 13:21 -0700, Christoph Hellwig wrote:
> > On Wed, May 05, 2010 at 10:52:53AM -0700, Stephen Hemminger wrote:
> > > Let me put it bluntly. Any design that allows external code to run
> > > in the kernel is not going to be accepted.  Out of tree kernel modules are enough
> > > of a pain already, why do you expect the developers to add another
> > > interface.
> > 
> > Exactly.  Until our friends at VMware get this basic fact it's useless
> > to continue arguing.
> > 
> > Pankaj and Dmitry: you're fine to waste your time on this, but it's not
> > going to go anywhere until you address that fundamental problem.  The
> > first thing you need to fix in your archicture is to integrate the VF
> > function code into the kernel tree, and we can work from there.
> > 
> > Please post patches doing this if you want to resume the discussion.
> > 
> > _______________________________________________
> > Pv-drivers mailing list
> > Pv-drivers@...are.com
> > http://mailman2.vmware.com/mailman/listinfo/pv-drivers
> 
> 
> As discussed, following is the patch to give you an idea
> about implementation of NPA for vmxnet3 driver. Although the
> patch is big, I have verified it with checkpatch.pl. It gave
> 0 errors / warnings.
> 
> Signed-off-by: Matthieu Bucchaineri <matthieu@...are.com>
> Signed-off-by: Shreyas Bhatewara <sbhatewara@...are.com>

I think the concept won't fly.

But you should really at least try running checkpatch to make sure
the style conforms.

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