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Re: [Xen-devel] present domU with 1 CPU with multiple cores



On 24/06/2009 10:56, "Jonathan Salomon" <jonathan@xxxxxxxxxxxxx> wrote:

> Registers. But I don't understand what the 1: and the 4,0: are. Hope someone
> can clarify this for me.

1: and 4,0: are inputs to the CPUID instruction. The 1: means this line is
activated when CPUID is executed with EAX=1. The 4,0: means that this line
is used when CPUID is executed with EAX=4 and ECX=0 (some CPUID leaves use
ECX as a secondary index).

 -- Keir



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