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CPUID 0x8000001d works quite similar to Intels' CPUID function 4. Use it to determine number of cache leafs. Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Link: http://lkml.kernel.org/r/20121019085933.GE26718@alberich Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>