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[Xen-devel] Re: [PATCH 8/8] HVM save restore: PV driver support

To: Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
Subject: [Xen-devel] Re: [PATCH 8/8] HVM save restore: PV driver support
From: "Zhai, Edwin" <edwin.zhai@xxxxxxxxx>
Date: 2007年1月19日 19:17:52 +0800
Cc: Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, "Zhai, Edwin" <edwin.zhai@xxxxxxxxx>
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On Fri, Jan 19, 2007 at 11:11:51AM +0000, Tim Deegan wrote:
> Hi Edwin, 
>
> At 13:14 +0800 on 19 Jan (1169212491), Zhai, Edwin wrote:
> > thanks for push in save/restore patches, but this one for save/restore
> > PV driver on HVM seems to be missing.
> > 
> > if any concerns about this patch, pls. let me know.
>
> The immediate reason I didn't take this patch is that it changes the
> struct page_info definition. It also breaks PV save/restore (though I
> haven't yet investigated why).
i have met the issue that PV guest restore fail with "can't map 
p2m_frame_list_..". but after i rebuild everything and try to find root cause,
this bug disappeared.
i'm not sure if it's a padding issue or something else.
>
> Since we could take the basic HVM save/restore without this, and we were
> keen to code into the tree, I left this out for now. I plan to tidy up
> basic HVM save/restore first and then return to PV-on-HVM.
I agree
>
> Cheers,
>
> Tim.
>
-- 
best rgds,
edwin
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