[PATCH 0/9] KVM: x86: enable cflushopt/clwb/pcommit and simplify code

[Xiao Guangrong]

This pachset enables clfushopt, clwb and pcommit instructions for guest which
are used by NVDIMM.

The specification locates at:
https://software.intel.com/sites/default/files/managed/0d/53/319433-022.pdf

Patch 1 fixes a uninitialized value used in KVM MMU code,
patch 2 and patch 3 enable these three instructions for guest
patch 4 ~ patch 9 simplify current VMX code
 
Xiao Guangrong (9):
  KVM: MMU: fix use uninitialized value
  KVM: x86: allow guest to use cflushopt anc clwb
  KVM: x86: add pcommit support
  KVM: VMX: drop rdtscp_enabled check in prepare_vmcs02()
  KVM: VMX: simplify rdtscp handling in vmx_cpuid_update()
  KVM: VMX: simplify invpcid handling in vmx_cpuid_update()
  KVM: VMX: unify SECONDARY_VM_EXEC_CONTROL update
  KVM: VMX: introduce set_clear_2nd_exec_ctrl()
  KVM: VMX: drop rdtscp_enabled field

 arch/x86/include/asm/vmx.h      |   2 +-
 arch/x86/include/uapi/asm/vmx.h |   4 +-
 arch/x86/kvm/cpuid.c            |   2 +-
 arch/x86/kvm/cpuid.h            |  16 ++++++
 arch/x86/kvm/mmu.c              |   2 +-
 arch/x86/kvm/vmx.c              | 116 ++++++++++++++++++++--------------------
 6 files changed, 80 insertions(+), 62 deletions(-)

-- 
2.4.3

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