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SubjectRe: [4/7] Xen VMM patch set : /dev/mem io_remap_page_range for CONFIG_XEN
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On Tue, 2004-11-30 at 13:14 +0100, Arjan van de Ven wrote:
> On Tue, 2004-11-30 at 12:09 +0000, Ian Pratt wrote:
> > > On Tue, 2004-11-30 at 08:56 +0000, Ian Pratt wrote:
> > >
> > > > In the Xen case, we actually need to use io_remap_page_range for
> > > > all /dev/mem accesses, so as to be able to map the BIOS area, DMI
> > > > tables etc.
> > >
> > > look at the /dev/mem patches in the -mm tree... there might be
> > > infrastructure there that is useful to you
> >
> > Thanks for the pointer. Having looked through, it's orthogonal
> > and can't help us, though doesn't conflict with our patch either
> > (fuzz 2).
>
> well.. it makes all non-ram unaccessible... so what's left is only the

eh too many negatives. it makes all kernel ram unaccessible.


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