RE: [Xen-devel] Re: [PATCH] Support swap a page from user spacetools -- Was RE: [RFC][PATCH] Basic support for page offline

["Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>]

Keir Fraser <mailto:keir.fraser@xxxxxxxxxxxxx> wrote:
> On 20/03/2009 09:52, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> wrote:
> 
>>> Since the guest is suspended, would that matter? Any I/Os that were in
>>> flight on suspend will get resubmitted on resume. So the potential races
>>> might all be benign.
>> 
>> I think it may not be resubmited. Backend may have no idea at all if the
>> guest is resume quickly, I remember. Or maybe I miss understand the
>> interface between backend/frontend..
> 
> Ah, you do a suspend-cancel/fast-resume?

Yes, that's suggested by Tim and I think that's meet our purpose quite well.

Thanks
Yunhong Jiang

> 
> -- Keir
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