RE: 0xB16B00B5? Really? (was Re: Move hyperv out of thedrivers/staging/ directory)

[KY Srinivasan]

> -----Original Message-----
> From: Borislav Petkov [mailto:bp@xxxxxxxxx]
> Sent: Thursday, July 19, 2012 11:30 AM
> To: KY Srinivasan
> Cc: Paolo Bonzini; Greg KH (gregkh@xxxxxxxxxxxxxxxxxxx);
> devel@xxxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> virtualization@xxxxxxxxxxxxxx
> Subject: Re: 0xB16B00B5? Really? (was Re: Move hyperv out of the
> drivers/staging/ directory)
> 
> On Thu, Jul 19, 2012 at 02:11:47AM +0000, KY Srinivasan wrote:
> > As I noted earlier, this is just a guest ID that needs to be
> > registered with the hypervisor. Thanks for reporting this issue and
> > on behalf of Microsoft, I would like to apologize for this offensive
> > string. I have submitted a patch to fix this issue.
> 
> Ok, quick question:
> 
> http://msdn.microsoft.com/en-
> us/library/windows/hardware/ff542653%28v=vs.85%29.aspx
> 
> says that that guest ID encodes a bunch of version numbers and IDs
> pertaining to the guest OS. And in that case, I would've thought
> you'd encode kernel versions or whatever like it is done with
> LINUX_VERSION_CODE, for example.
> 
> How does this define fit with that scheme or was it chosen completely
> arbitrarily?

From what I know, this constant was chosen I think, completely arbitrarily.
Currently, the hypervisor does not interpret this, however the host partition
can retrieve it. 

Regards,

K. Y 

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