Re: [PATCH] kvm-unit-tests: VMX: Test suite for preemption timer

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On Mon, Sep 9, 2013 at 8:51 PM, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
> Il 05/09/2013 11:22, Arthur Chunqi Li ha scritto:
>> Hi Jan, Gleb and Paolo,
>>
>> It suddenly occurred to me that, if guest's PIN_PREEMPT disabled while
>> EXI_SAVE_PREEMPT_VALUE enabled, what will happen? The preempt value in
>> vmcs will not be affected, yes?
>
> Indeed.  The VMX preemption timer will not count down, so it will remain
> set to the same value.  Saving it on exit will actually do nothing.
>
>> This cases fails to test in this patch.
>
> You can add it as a follow up.
Yep. Because this patch was committed several weeks ago, I have
committed a second version, you can just review that patch.

Arthur
>
> Paolo
>



-- 
Arthur Chunqi Li
Department of Computer Science
School of EECS
Peking University
Beijing, China
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