[v1,0/2] x86/cpuid: Use AMD's NullSelectorClearsBase CPUID bit

Message

Jane Malalane Sept. 6, 2021, noon UTC

Jane Malalane (2):
  x86/cpuid: Expose NullSelectorClearsBase CPUID bit to guests
  x86/cpuid: Detect null segment behaviour on Zen2 CPUs

 tools/libs/light/libxl_cpuid.c              |  1 +
 tools/misc/xen-cpuid.c                      |  1 +
 xen/arch/x86/cpu/amd.c                      | 18 ++++++++++++++++++
 xen/arch/x86/cpu/cpu.h                      |  1 +
 xen/arch/x86/cpu/hygon.c                    |  5 +++++
 xen/include/asm-x86/cpufeature.h            |  1 +
 xen/include/public/arch-x86/cpufeatureset.h |  1 +
 7 files changed, 28 insertions(+)