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xen-devel
[Xen-devel] Re: [PATCH][RFC][2/2] x86 SMP: enables core-pair topology de
On Thu, 2011-06-23 at 23:52 +0100, Wei Huang wrote:
> x86: AMD core-pair topology detection code
>
> This patch is to support core-pair topology introduced by AMD CPUs,
> which introduces a new concept of [core, compute unit]. There is a new
> feature bit for topology extension in CPUID:0x80000001. Also a new CPUID
> 0x8000001E is introduced for CPU topology enumeration. This patch
> collects the sibling information from the new CPUID and will be stored
> in the sibling map in Xen hypervisor.
>
> Signed-off-by: Wei Huang <wei.huang2@xxxxxxx>
>
>
Can't comment on the code itself (not my area), but wrt to effects it
will have on the Xen scheduler:
Acked-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
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