Re: [Xen-devel] [PATCH v2 0/6] Nested VMX: APIC-v related bug fixing

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 16.08.13 at 07:43, Yang Zhang <yang.z.zhang@xxxxxxxxx> wrote:
> From: Yang Zhang <yang.z.zhang@xxxxxxxxx>
> 
> The following patches fix the issue that fail to boot L2 guest on APIC-v
> available machine. The main problem is that with APIC-v, virtual interrupt 
> inject
> L1 is totally through APIC-v. But if virtual interrupt is arrived when L2 is 
> running,
> L1 will detect interrupt through vmexit with reason external interrupt. If 
> this happens,
> we should update RVI/SVI to make APIC-v working accordingly.
> 
> Changes from v1:
> * rebase on top of Xen.
> * Minor adjustment according the comments.

Many of the comments I made on v1 still apply. I'm not going to
repeat them.

> Yang Zhang (6):
>   Nested VMX: Introduce interrupt source supporting
>   Nested VMX: Force check ISR when L2 is running
>   Nested VMX: Add interface to update vPPR
>   Nested VMX: Check whether interrupt is blocked by TPR
>   Nested VMX: Update APIC-v(RVI/SVI) when vmexit to L1
>   Nested VMX: Clear APIC-v control bit in vmcs02

Patches 2, 4, and 6 appear the be standalone - if you can confirm
this, then applying them but not 1, 3, and 5 might be a first step
(provided the necessary ack-s trickle in). And it would also point
out that the series is at least badly ordered (if not - as I continue
to think - badly broken up).

Jan


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