Re: [Qemu-devel] [PATCH v2 0/4] X86/KVM: enable Intel MPX for KVM

[Liu, Jinsong]

Paolo, comments for version 2?

Thanks,
Jinsong

Liu, Jinsong wrote:
> These patches are version 2 to enalbe Intel MPX for KVM.
> 
> Version 1:
>   * Add some Intel MPX definiation
>   * Fix a cpuid(0x0d, 0) exposing bug, dynamic per XCR0 features
> enable/disable 
>   * vmx and msr handle for MPX support at KVM
>   * enalbe MPX feature for guest
> 
> Version 2:
>   * remove generic MPX definiation, kernel side has add the
> definiation 
>   * add MSR_IA32_BNDCFGS to msrs_to_save
> 
> Thanks,
> Jinsong
> 
> Liu Jinsong (4):
>   KVM/X86: Fix xsave cpuid exposing bug
>   KVM/X86: Intel MPX vmx and msr handle
>   KVM/X86: add MSR_IA32_BNDCFGS to msrs_to_save
>   KVM/X86: Enable Intel MPX for guest.
> 
>  arch/x86/include/asm/vmx.h            |    4 ++++
>  arch/x86/include/asm/xsave.h          |    2 ++
>  arch/x86/include/uapi/asm/msr-index.h |    1 +
>  arch/x86/kvm/cpuid.c                  |    8 ++++----
>  arch/x86/kvm/vmx.c                    |   18 ++++++++++++++++--
>  arch/x86/kvm/x86.c                    |   12 +++++++++---
>  arch/x86/kvm/x86.h                    |    3 ++-
>  7 files changed, 38 insertions(+), 10 deletions(-)