Re: [Xen-devel] [PATCH 06/18] xenpaging: allow only one xenpaging binary per guest

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Olaf Hering writes ("Re: [Xen-devel] [PATCH 06/18] xenpaging: allow only one 
xenpaging binary per guest"):
> On Mon, Oct 18, Ian Jackson wrote:
> > Is there any way to recover from this or is the guest just hosed ?
> 
> If xenpaging dies for some reason, the bitmap which maps the "pageslot"
> in the pagefile to the gfn in the guest is gone. There is no way to
> recover from this situation. If the paging state should be persistant,
> then the maintained bitmaps have to be kept in memory and each page write
> has to be fsynced in some way.
> Some other way has to be found to prevent two xenpaging runs per
> domain_id.

OK, I just thought I'd ask.

Ian.

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