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xen-devel
[Xen-devel] [PATCH][RFC][2/2] x86 SMP: enables core-pair topology detect
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>
core_pair_2.txt
Description: core_pair_2.txt
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