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xen-ia64-devel
Re: [Xen-devel] PATCH: xen pagesize
Le Jeudi 22 Juin 2006 17:13, Keir Fraser a écrit :
> On 22 Jun 2006, at 15:59, Tristan Gingold wrote:
> > some architectures (eg ia64) don't have a canonical page size.
> > It is possible to build kernels (and Xen) with different page size.
> > Such configurations are not yet working, but as a first step this
> > patch makes
> > the info available.
> > Ideally pagesize should be a field of platform_parameter but doing so
> > would
> > break binary compatibility.
>
> Why might you care about Xen's page size on such systems? Presumably
> the guest at this point is happily running on the page size of its
> choice?
Yes, dom0 might run with its own page size.
But as soon as page operations are involved (domain construction, xenstore,
grant operations) xen page size has to be known. Xen and domains have to
agree on what is a page.
Tristan.
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