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

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Date:	Wed, 17 Dec 2008 08:44:03 -0800
From:	"Rose, Gregory V" <gregory.v.rose@...el.com>
To:	Greg KH <greg@...ah.com>, Jike Song <albcamus@...il.com>
CC:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	"Zhao, Yu" <yu.zhao@...el.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"achiang@...com" <achiang@...com>,
	"bjorn.helgaas@...com" <bjorn.helgaas@...com>,
	"grundler@...isc-linux.org" <grundler@...isc-linux.org>,
	"mingo@...e.hu" <mingo@...e.hu>, "matthew@....cx" <matthew@....cx>,
	"randy.dunlap@...cle.com" <randy.dunlap@...cle.com>,
	"rdreier@...co.com" <rdreier@...co.com>,
	"horms@...ge.net.au" <horms@...ge.net.au>,
	"yinghai@...nel.org" <yinghai@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"virtualization@...ts.linux-foundation.org" 
	<virtualization@...ts.linux-foundation.org>
Subject: RE: [PATCH 0/13 v7] PCI: Linux kernel SR-IOV support

As noted in the attached email to the netdev list, we (e1000_devel) will support the API.

- Greg Rose

-----Original Message-----
From: kvm-owner@...r.kernel.org [mailto:kvm-owner@...r.kernel.org] On Behalf Of Greg KH
Sent: Tuesday, December 16, 2008 10:06 PM
To: Jike Song
Cc: Jesse Barnes; Zhao, Yu; 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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