MSR_AMD64_PATCH_LEVEL  406 arch/x86/include/asm/msr-index.h #define MSR_AMD64_PATCH_LEVEL		0x0000008b
MSR_AMD64_PATCH_LEVEL  630 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_AMD64_PATCH_LEVEL		0x0000008b