[Xen-devel] [PATCH v4 00/11] nested vmx: bug fixes and feature enabling

[Dongxiao Xu <dongxiao.xu@xxxxxxxxx>]

This series of patches contain some bug fixes and feature enabling for
nested vmx, please help to review and pull.

Changes from v3 to v4:
 - Use a macro to combine MSR value with host capability.
 - Use the macro defined for bit 55 in IA32_VMX_BASIC MSR in vmcs.c.

Changes from v2 to v3:
 - Change a hard number to literal name while exposing bit 55 in IA32_VMX_BASIC 
MSR.

Changes from v1 to v2:
 - Use literal name instead of hard numbers to expose default 1 settings in VMX 
related MSRs.
 - For TRUE VMX MSRs, we use the same value as normal VMX MSRs.
 - Fix a coding style issue.

The following 5 patches are suitable to backport to 4.2.x:
  nested vmx: fix rflags status in virtual vmexit
  nested vmx: fix handling of RDTSC
  nested vmx: fix DR access VM exit
  nested vmx: enable IA32E mode while do VM entry
  nested vmx: fix interrupt delivery to L2 guest

Thanks,
Dongxiao

Dongxiao Xu (11):
  nested vmx: emulate MSR bitmaps
  nested vmx: use literal name instead of hard numbers
  nested vmx: expose bit 55 of IA32_VMX_BASIC_MSR to guest VMM
  nested vmx: fix rflags status in virtual vmexit
  nested vmx: fix handling of RDTSC
  nested vmx: fix DR access VM exit
  nested vmx: enable IA32E mode while do VM entry
  nested vmx: enable "Virtualize APIC accesses" feature for L1 VMM
  nested vmx: enable PAUSE and RDPMC exiting for L1 VMM
  nested vmx: fix interrupt delivery to L2 guest
  nested vmx: check host ability when intercept MSR read

 xen/arch/x86/hvm/vmx/intr.c        |   11 ++-
 xen/arch/x86/hvm/vmx/vmcs.c        |   30 +++++++++-
 xen/arch/x86/hvm/vmx/vmx.c         |    2 +-
 xen/arch/x86/hvm/vmx/vvmx.c        |  113 ++++++++++++++++++++++++++++++------
 xen/include/asm-x86/hvm/vmx/vmcs.h |    7 ++
 xen/include/asm-x86/hvm/vmx/vmx.h  |    2 +
 xen/include/asm-x86/hvm/vmx/vvmx.h |   10 +++
 7 files changed, 151 insertions(+), 24 deletions(-)


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