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

["Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx>]

Jan Beulich wrote on 2013-08-16:
>>>> 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.
Sorry, I forget to CC the maintainer. Except this, I don't see any other 
missing comments. Please point out them if I am missing. Thanks.

> 
>> 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
Sure. Please apply them if you can.

> 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).
Ok, I will resend the 1, 3 and 5 with the necessary ack from the Nested 
maintainer.

> 
> Jan


Best regards,
Yang


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