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Re: [Xen-devel] [PATCH 00/18] xenpaging changes for 4.0

To: Olaf Hering <olaf@xxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH 00/18] xenpaging changes for 4.0
From: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Date: Fri, 22 Oct 2010 10:04:45 +0100
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At 14:06 +0100 on 18 Oct (1287410805), Olaf Hering wrote:
> On Mon, Oct 18, Tim Deegan wrote:
> 
> > These patches look pretty good to me, with a few caveats:
> > - Is it possible to avoid having quite so many paths return ENOENT?
> >   In particular, there seemed to be paths where _removing_ a p2m entry
> >   that's paged out caused an error.  Would it be possible to have some of
> >   those cases fixed up from the paging code instead?
> 
> I'm not sure if thats possible.

OK, having had a look I'm not sure it's possible either. :)  Your
current approach should be OK.

Cheers,

Tim.

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, XenServer Engineering
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

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