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    SubjectRe: Q:pt_base in COMPAT mode offset by two pages. Was:Re: [Xen-devel] [PATCH 02/11] xen/x86: Use memblock_reserve for sensitive areas.
    On Wed, 22 Aug 2012, Jan Beulich wrote:
    > >> The toolstack works fine - so launching 32-bit guests either
    > >> under a 32-bit hypervisor or 64-bit works fine:
    > >> ] domainbuilder: detail: xc_dom_alloc_segment: page tables : 0xcf805000 ->
    > > 0xcf885000 (pfn 0xf805 + 0x80 pages)
    > >> [ 0.000000] PT: cf805000 (f805000)
    > >>
    > >
    > > And this patch on top of the others fixes this..
    >
    > I didn't look at this in too close detail, but I started to get
    > afraid that you might be making the code dependent on
    > many hypervisor implementation details. And should the
    > above turn out to be a bug in the hypervisor, I hope your
    > kernel side changes won't make it impossible to fix that bug.

    I agree


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