Re: Use CPUID to communicate with the hypervisor.

From: Alok Kataria
Date: Sat Sep 27 2008 - 01:37:29 EST


On Fri, 2008-09-26 at 21:20 -0700, H. Peter Anvin wrote:
> Alok Kataria wrote:
> >
> > Avoiding existing leaves,
> > Microsoft's Hypervisor is using levels 0x40000000 - 0x40000005.
> > The first 2 are standard levels and the rest of them are Microsoft
> > hypervisors specific levels. So started with 0x40000010.
> >
>
> The first two? And standard according to whom?
I was just quoting Microsoft's documentation that's available on MSDN.
http://msdn.microsoft.com/en-us/library/bb969724.aspx

Maybe by standard they mean standard definitions for them, the meaning
of the rest of the definitions change according to the value returned by
leaf 0x40000001 (Hypervisor vendor-neutral interface id).

Thanks,
Alok
>
> -hpa

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/