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[Xen-devel] [PATCH v4 0/4] x86/cpuid: enable new cpu features

The new cpu features in intel icelake: AVX512VBMI2/GFNI/VAES/

v4: changes from Jan's comments in v3
    patch 1:
      simd_size set issue.
      remove else.
      add vex.w exception check. 
      gfni insns comments issue.
      double blank lines issue.
    patch 2:
      generate_exception_if(vex.l, EXC_UD) is not useful.
      comments for vex insns.
      if ( vex.l ) for vpclmulqdq.
      add simd_0f_imm8_ymm for vpclmulqdq flag.
    patch 3:
      remove fall through comments.
      add comments for vex insns.
      vaesimc(128 bit) issue.
      simd_0f_avx is changed to simd_0f_ymm for VAES flag.
   patch 4:
      rebased patch, which was acked by Jan in v3.

v3: adjust the patches sequence from Jan

v2: need implement x86 emulation for Legacy and VEX insns,
    EVEX insns in next time suggested by Jan

Yang Zhong (4):
  x86emul: Support GFNI insns
  x86emul: Support vpclmulqdq
  x86emul: Support vaes insns
  x86/cpuid: Enable new SSE/AVX/AVX512 cpu features

 docs/man/xl.cfg.pod.5.in                    |  3 +-
 tools/libxl/libxl_cpuid.c                   |  6 ++++
 tools/misc/xen-cpuid.c                      | 12 +++++---
 xen/arch/x86/x86_emulate/x86_emulate.c      | 48 ++++++++++++++++++++++++-----
 xen/include/asm-x86/cpufeature.h            |  5 +++
 xen/include/public/arch-x86/cpufeatureset.h |  6 ++++
 xen/tools/gen-cpuid.py                      |  3 +-
 7 files changed, 69 insertions(+), 14 deletions(-)


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