linux-kernel - Re: Problem with auto-detecting a HV environment from within Linux

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Message-ID: <20100226191644.GA18182@kroah.com>
Date:	Fri, 26 Feb 2010 11:16:44 -0800
From:	Greg KH <greg@...ah.com>
To:	Haiyang Zhang <haiyangz@...rosoft.com>
Cc:	Hank Janssen <hjanssen@...rosoft.com>,
	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Problem with auto-detecting a HV environment from within Linux

On Fri, Feb 26, 2010 at 07:07:14PM +0000, Haiyang Zhang wrote:
> > From: Greg KH [mailto:greg@...ah.com]
> > Sent: Thursday, February 25, 2010 9:57 PM
> > In looking at the second patch again, I think you will need to put some
> > spaces in the DMI strings to get it to match up properly.  Look at what
> > the files in:
> > 	/sys/class/dmi/id/
> > look like exactly to get it to line up.  The module id stuff strips
> > spaces out, so I can't get the real value there.
> 
> Thanks for your help! I have applied the two patches -- auto loading
> of hv_vmbus works fine after a space was inserted into the DMI strings
> ("Microsoft Corporation", "Virtual Machine").

Great, I'll add a space and then queue them up for the merge window.

> Also, according to our Hyper-V team, we have no plan to change the
> virtual VGA card id and DMI info.

That's good to know, but if it changes in the future, we can trivially
add new device ids.

thanks,

greg k-h
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