Re: [Xen-devel] Wait queue support for 4.3

[Andres Lagar-Cavilla <andreslc@xxxxxxxxxxxxxx>]

On Oct 12, 2012, at 1:26 PM, Keir Fraser wrote:

> On 12/10/2012 17:43, "Andres Lagar-Cavilla" <andreslc@xxxxxxxxxxxxxx> wrote:
> 
>>>> The current maintainer (effectively) for wait queues is Keir. Keir, any
>>>> ideas
>>>> on a schedule for the cleanup?
>>> 
>>> I maintain the wait-queue mechanism, but not every (potential) user of it!
>> 
>> That's the end of my cunning scheme. It was worth a try ...
>> 
>>> The only use-case above that might fall into my domain is 3, I think.
>> 
>> So perhaps mm should wait for that to happen to then tackle wait queues for
>> paging/sharing?
> 
> I don't see any dependency. And Tim has already proposed patches for
> use-case 2, in fact, as you noted. So, shouldn't they simply be polished up
> and applied as soon as possible? Basically, for mm type things, Tim is your
> man, either as author or reviewer.

Ok. Wanted to ascertain where we stand on things.

Tim's patches crash guests because there are all sorts of spinlocks being held. 
That's the gist of the mm work that needs to be done. And a separate discussion.

Thanks
Andres

> 
> -- Keir
> 
>> Thanks,
>> Andres
> 
> 


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