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

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> -----Original Message-----
> From: Paolo Bonzini [mailto:paolo.bonzini@xxxxxxxxx] On Behalf Of Paolo
> Bonzini
> Sent: Friday, July 13, 2012 6:23 AM
> To: KY Srinivasan
> Cc: Greg KH; devel@xxxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> virtualization@xxxxxxxxxxxxxx
> Subject: 0xB16B00B5? Really? (was Re: Move hyperv out of the drivers/staging/
> directory)
> 
> Il 04/10/2011 21:34, Greg KH ha scritto:
> > diff --git a/drivers/staging/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
> > similarity index 99%
> > rename from drivers/staging/hv/hyperv_vmbus.h
> > rename to drivers/hv/hyperv_vmbus.h
> > index 3d2d836..8261cb6 100644
> > --- a/drivers/staging/hv/hyperv_vmbus.h
> > +++ b/drivers/hv/hyperv_vmbus.h
> > @@ -28,8 +28,7 @@
> >  #include <linux/list.h>
> >  #include <asm/sync_bitops.h>
> >  #include <linux/atomic.h>
> > -
> > -#include "hyperv.h"
> > +#include <linux/hyperv.h>
> >
> >  /*
> >   * The below CPUID leaves are present if
> VersionAndFeatures.HypervisorPresent
> 
> git's rename detection snips away this gem:
> 
> +#define HV_LINUX_GUEST_ID_LO		0x00000000
> +#define HV_LINUX_GUEST_ID_HI		0xB16B00B5
> +#define HV_LINUX_GUEST_ID		(((u64)HV_LINUX_GUEST_ID_HI
> << 32) | \
> +					   HV_LINUX_GUEST_ID_LO)
> 
> Somone was trying to be funny, I guess.
> 
> KY, I suppose you have access to Hyper-V code or can ask someone who does.
> Is this signature actually used in the Hyper-V host code?

Paolo,

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. 

Regards,

K. Y  
 



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