Re: [PATCH v2 0/4] KVM: VMX: enable LBR virtualization

[Jian Zhou <jianjay.zhou@huawei.com>]

Hi Paolo,

May I ask that any suggestion about the version 2 of VMX LBRV?
This version is updated following your advices in version 1.
BTW the kvm-unit-test for this feature has sent too, and I
have tested the CPUs emulated by QEMU.

Thanks,
Jian

On 2015/10/23 17:15, Jian Zhou wrote:
> Changelog in v2:
>    (1) move the implementation into vmx.c
>    (2) migraton is supported
>    (3) add arrays in kvm_vcpu_arch struct to save/restore
>        LBR MSRs at vm exit/entry time.
>    (4) add a parameter of kvm_intel module to permanently
>        disable LBRV
>    (5) table of supported CPUs is reorgnized, LBRV
>        can be enabled or not according to the guest CPUID
>
> Jian Zhou (4):
>    KVM: X86: Add arrays to save/restore LBR MSRs
>    KVM: X86: LBR MSRs of supported CPU types
>    KVM: X86: Migration is supported
>    KVM: VMX: details of LBR virtualization implementation
>
>   arch/x86/include/asm/kvm_host.h  |  26 ++++-
>   arch/x86/include/asm/msr-index.h |  26 ++++-
>   arch/x86/kvm/vmx.c               | 245 +++++++++++++++++++++++++++++++++++++++
>   arch/x86/kvm/x86.c               |  88 ++++++++++++--
>   4 files changed, 366 insertions(+), 19 deletions(-)
>
> --
> 1.7.12.4
>