Re: [Xen-devel] [PATCH v2 00/11] nested vmx: bug fixes and feature enabling

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 05.12.12 at 14:02, Dongxiao Xu <dongxiao.xu@xxxxxxxxx> wrote:
> This series of patches contain some bug fixes and feature enabling for
> nested vmx, please help to review and pull.
> 
> For the following patches, it doesn't have influence about Xen on Xen 
> functionality.
> No special need to backport to 4.2.x (My own opinion).

Xen on Xen isn't the only thing being cared about afaik.

>   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

3 bug fixes above that I would want to know whether they are
relevant for 4.2.

>   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

And one more here.

Jan

>   nested vmx: check host ability when intercept MSR read



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