Re: [Xen-devel] [PATCH v2 1/2] xen: fix a (latent) cpupool-related race during domain destroy

[George Dunlap <george.dunlap@xxxxxxxxxx>]

On 18/07/16 15:09, Juergen Gross wrote:
> On 18/07/16 16:03, Dario Faggioli wrote:
>> On Fri, 2016-07-15 at 16:23 +0200, Dario Faggioli wrote:
>>> On Fri, 2016-07-15 at 14:52 +0200, Juergen Gross wrote:
>>>> On 15/07/16 13:52, Dario Faggioli wrote:
>>>>> Therefore, I still think this patch is correct, but I'm up for
>>>>> investigating further and finding a way to solve the "zombie in
>>>>> cpupool" issue as well.
>>>> I'm not saying your patch is wrong. I just wanted to give you a
>>>> hint
>>>> about the history of the stuff you are changing. :-)
>>>>
>>> Sure, and that's much appreciated! :-)
>>>
>>>> If it is working I'd really prefer it over the current situation.
>>>>
>>> Right. I've got to leave now. But I'll produce some zombies on
>>> Monday,
>>> and will see if they move. :-D
>>>
>> Here you go:
>>
>> http://pastebin.com/r93TGCZU
>>
>> Is that "vm1 -b-" --> "(null) ---" domain zombie enough?
> 
> Yes, seems to be okay for a zombie.
> 
>> If yes, as you can see, it moves to cpupool0 while being destroyed, and
>> I can destroy the pool without problems.
> 
> Great.
> 
>> I also shutdown the system with the domain still there (in cpupool0),
>> and it works.
> 
> Fine. You can add
> 
> Acked-by: Juergen Gross <jgross@xxxxxxxx>

Acked-by: George Dunlap <george.dunlap@xxxxxxxxxx>

And queued.

 -George


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