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xen-devel
Re: [Xen-devel] [PATCH 0/5] x86: properly propagate errors to hypercall
>>> On 09.03.11 at 12:07, Keir Fraser <keir.xen@xxxxxxxxx> wrote:
> It seems unfortunate to propagate this to guests. Perhaps we should be
> making a memory pool for Xen's 1:1 mappings, big enough to allow a 4kB
> mapping of every page of RAM in the system, and allocate/free pagetables to
> that pool? The overhead of this would be no more than 0.2% of system memory,
> which seems reasonable to avoid an error case that is surely hard for a
> guest to react to or fix.
Before starting to look into eventual Linux side changes - do you
then have plans to go that pool route (which would make guest
side recovery attempts pointless)?
Jan
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