linux-kernel - RE: [PATCH 10/21] Staging: hv: Cleanup root device handling

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Date:	Mon, 14 Mar 2011 20:13:26 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	Greg KH <gregkh@...e.de>
CC:	Greg KH <greg@...ah.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"virtualization@...ts.osdl.org" <virtualization@...ts.osdl.org>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	"Mike Sterling" <Mike.Sterling@...rosoft.com>,
	"Abhishek Kane (Mindtree Consulting PVT LTD)" 
	<v-abkane@...rosoft.com>
Subject: RE: [PATCH 10/21] Staging: hv: Cleanup root device handling



> -----Original Message-----
> From: Greg KH [mailto:gregkh@...e.de]
> Sent: Monday, March 14, 2011 3:59 PM
> To: KY Srinivasan
> Cc: Greg KH; linux-kernel@...r.kernel.org; devel@...uxdriverproject.org;
> virtualization@...ts.osdl.org; Haiyang Zhang; Mike Sterling; Abhishek Kane
> (Mindtree Consulting PVT LTD)
> Subject: Re: [PATCH 10/21] Staging: hv: Cleanup root device handling
> 
> On Mon, Mar 14, 2011 at 07:54:29PM +0000, KY Srinivasan wrote:
> >
> >
> > > -----Original Message-----
> > > From: Greg KH [mailto:greg@...ah.com]
> > > Sent: Monday, March 14, 2011 3:34 PM
> > > To: KY Srinivasan
> > > Cc: gregkh@...e.de; linux-kernel@...r.kernel.org;
> > > devel@...uxdriverproject.org; virtualization@...ts.osdl.org; Haiyang Zhang;
> Mike
> > > Sterling; Abhishek Kane (Mindtree Consulting PVT LTD)
> > > Subject: Re: [PATCH 10/21] Staging: hv: Cleanup root device handling
> > >
> > > On Thu, Mar 10, 2011 at 02:08:06PM -0800, K. Y. Srinivasan wrote:
> > > > Now we can complete the cleanup of the root device
> > > > management. Use the preferred APIs for creating and
> > > > managing the root device. As part of this cleanup get rid
> > > > of the root device object from vmbus_driver_context.
> > >
> > > I don't understand, what is the "root device"?
> >
> > This would be the device under /sys/devices that all
> > other hyperv devices would be grouped under.
> > This notion of the root device existed in the existing
> > code; however  its creation and management was
> > unnecessarily complicated.
> 
> But that is what your new pci device should be, not a separate one.  Why
> not use that instead?
> 
> Actually, how are things looking then?  You have a pci device, with no
> children, yet the root device has the children devices?  That doesn't
> really make sense now does it?

Good point. I will cleanup the patches and send you the updated ones shortly.

Regards,

K. Y


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