netdev - RE: [net-next 1/8] pci: Add flag indicating device has been assigned by KVM

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Message-ID: <43F901BD926A4E43B106BF17856F0755019C518E23@orsmsx508.amr.corp.intel.com>
Date:	Fri, 23 Sep 2011 11:24:41 -0700
From:	"Rose, Gregory V" <gregory.v.rose@...el.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	Ian Campbell <ijc@...lion.org.uk>,
	"davem@...emloft.net" <davem@...emloft.net>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"gospo@...hat.com" <gospo@...hat.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: RE: [net-next 1/8] pci: Add flag indicating device has been
 assigned by KVM

> -----Original Message-----
> From: Konrad Rzeszutek Wilk [mailto:konrad.wilk@...cle.com]
> Sent: Friday, September 23, 2011 11:00 AM
> To: Rose, Gregory V
> Cc: Kirsher, Jeffrey T; Ian Campbell; davem@...emloft.net; Jesse Barnes;
> netdev@...r.kernel.org; gospo@...hat.com; linux-pci@...r.kernel.org
> Subject: Re: [net-next 1/8] pci: Add flag indicating device has been
> assigned by KVM
> 
> On Fri, Sep 23, 2011 at 10:04:59AM -0700, Rose, Gregory V wrote:
> > > -----Original Message-----
> > > From: Konrad Rzeszutek Wilk [mailto:konrad.wilk@...cle.com]
> > > Sent: Friday, September 23, 2011 9:43 AM
> > > To: Kirsher, Jeffrey T
> > > Cc: Rose, Gregory V; Ian Campbell; davem@...emloft.net; Jesse Barnes;
> > > netdev@...r.kernel.org; gospo@...hat.com; linux-pci@...r.kernel.org
> > > Subject: Re: [net-next 1/8] pci: Add flag indicating device has been
> > > assigned by KVM
> > >
> > > On Fri, Sep 23, 2011 at 08:45:09AM -0700, Jeff Kirsher wrote:
> > > > On Fri, 2011-09-23 at 08:11 -0700, Rose, Gregory V wrote:
> > > > > > -----Original Message-----
> > > > > > From: Ian Campbell [mailto:ijc@...lion.org.uk]
> > > > > > Sent: Friday, September 23, 2011 8:04 AM
> > > > > > To: Rose, Gregory V
> > > > > > Cc: Kirsher, Jeffrey T; davem@...emloft.net;
> konrad.wilk@...cle.com;
> > > Jesse
> > > > > > Barnes; netdev@...r.kernel.org; gospo@...hat.com; linux-
> > > > > > pci@...r.kernel.org
> > > > > > Subject: RE: [net-next 1/8] pci: Add flag indicating device has
> been
> > > > > > assigned by KVM
> > > > > >
> > > > > > On Fri, 2011-09-23 at 07:41 -0700, Rose, Gregory V wrote:
> > > > > > > > -----Original Message-----
> > > > > > > > From: Ian Campbell [mailto:ijc@...lion.org.uk]
> > > > > > > > Sent: Friday, September 23, 2011 12:28 AM
> > > > > > > > To: Kirsher, Jeffrey T
> > > > > > > > Cc: davem@...emloft.net; konrad.wilk@...cle.com; Jesse
> Barnes;
> > > Rose,
> > > > > > > > Gregory V; netdev@...r.kernel.org; gospo@...hat.com; linux-
> > > > > > > > pci@...r.kernel.org
> > > > > > > > Subject: Re: [net-next 1/8] pci: Add flag indicating device
> has
> > > been
> > > > > > > > assigned by KVM
> > > > > > > >
> > > > > > > > I suppose by that measure the comment could be less KVM
> > > specific:
> > > > > > > > > +       /* Provide indication device is assigned by KVM */
> > > > > > > > > +       PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t)
> 4,
> > > > > > >
> > > > > > > We can resubmit with a more generic comment, maybe this:
> > > > > > >
> > > > > > > /* Provide indication device is assigned by a Virtual Machine
> > > Manager */
> > > > > >
> > > > > > Sounds good to me.
> > > > >
> > > > > Dave, Jeff,
> > > > >
> > > > > Should I resubmit the patch or would it be more convenient to post
> a
> > > follow on patch that fixes up the comment?  Either way is fine by me.
> > > > >
> > > > > - Greg
> > > > >
> > > >
> > > > let's fix up the patch in my tree and add Jesse Barnes's ACK at the
> same
> > > > time.
> > >
> > > Were are the patches now? I am kind of curious to see the changes to
> the
> > > xen pciback.
> > >
> > >
> >
> > Version 2 of this patch with the modified comment was just posted to
> netdev.  Ian Campbell had mentioned that the Xen pciback driver should be
> modified to use this flag but I don't believe any patches for it have been
> created yet.
> 
> http://marc.info/?i=20110729165446.GA6731@dumpdata.com
> 

I'm not sure who generated the patches to xen-pciback.  It wasn't me and I couldn't tell from the links you provided who did generate that patch.  I don't see it now though.

- Greg
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