linux-kernel - Re: [PATCH 0/13 v7] PCI: Linux kernel SR-IOV support

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Message-ID: <20081217060608.GA12618@kroah.com>
Date:	Tue, 16 Dec 2008 22:06:08 -0800
From:	Greg KH <greg@...ah.com>
To:	Jike Song <albcamus@...il.com>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Yu Zhao <yu.zhao@...el.com>, linux-pci@...r.kernel.org,
	achiang@...com, bjorn.helgaas@...com, grundler@...isc-linux.org,
	mingo@...e.hu, matthew@....cx, randy.dunlap@...cle.com,
	rdreier@...co.com, horms@...ge.net.au, yinghai@...nel.org,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH 0/13 v7] PCI: Linux kernel SR-IOV support

On Wed, Dec 17, 2008 at 10:37:54AM +0800, Jike Song wrote:
> Jesse Barnes wrote:
> > Given a respin of 10-13 I think it's reasonable to merge this into 2.6.29, but 
> > I'd be much happier about it if we got some driver code along with it, so as 
> > not to have an unused interface sitting around for who knows how many 
> > releases.  Is that reasonable?  Do you know if any of the corresponding PF/VF 
> > driver bits are ready yet?
> 
> Hi Jesse, 
> 
> Yu Zhao has posted a patch set with subject "SR-IOV driver example" 
> at November 26, which illustrated the usage of SR-IOV API in Intel 82576 VF/PF
> drivers;-)

Yes, but that driver was soundly rejected by the network driver
maintainers, so I wouldn't go around showing that as your primary
example of how to use this interface :)

The point is valid, I don't think these apis should go into the tree
without a driver or some other code using them.  Otherwise they make no
sense at all to have in-tree.

thanks,

greg k-h
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