[PATCH v2 0/3] MSR_IA32_ARCH_CAPABILITIES cleanups

[Chao Gao <chao.gao@intel.com>]

Do some cleanups about MSR_IA32_ARCH_CAPABILITIES in KVM e.g, fix stale
comments, elimite open-coded MSR reads, track features that can be exposed to
guests to avoid computing them runtime. They are found when reading the code.

No functional change intented.

Changes from v1 -> v2:
1. toggle ARCH_CAP_SKIP_VMENTRY_L1DFLUSH bit when l1tf mitigation state is
   changed by module param. [Xiaoyao, Sean]
2. add more cleanups (patch 2/3)


Chao Gao (3):
  KVM: x86: Track supported ARCH_CAPABILITIES in kvm_caps
  KVM: x86: Correct the name for skipping VMENTER l1d flush
  x86/cpu, KVM: Use helper function to read MSR_IA32_ARCH_CAPABILITIES

 arch/x86/kernel/cpu/common.c |  1 +
 arch/x86/kvm/vmx/vmx.c       | 44 +++++++++++++++++++++++-------------
 arch/x86/kvm/x86.c           | 16 +++++--------
 arch/x86/kvm/x86.h           |  1 +
 4 files changed, 36 insertions(+), 26 deletions(-)


base-commit: b9846a698c9aff4eb2214a06ac83638ad098f33f
-- 
2.40.0