A new kcpuid tool to dump the raw CPUID leafs of a CPU. It has the CPUID
bit definitions in a separate csv file which allows for adding support
for new CPUID leafs and bits without having to update the tool. The main
use case for the tool is hw enablement on preproduction x86 hw.
tools/x86/kcpuid: Add AMD leaf 0x8000001E

Contains core IDs, node IDs and other topology info.

Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Feng Tang <feng.tang@intel.com>
Link: https://lkml.kernel.org/r/20210315125901.30315-2-bp@alien8.de
1 file changed