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Introduce cpu_has_topoext to check for AMD's CPUID topology extensions support. It indicates support for CPUID Fn8000_001D_EAX_x[N:0]-CPUID Fn8000_001E_EDX See AMD's CPUID Specification, Publication # 25481 (as of Rev. 2.34 September 2010) Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Link: http://lkml.kernel.org/r/20121019085813.GD26718@alberich Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Andreas Herrmann
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H. Peter Anvin
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Nov 13, 2012
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