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xen-ppc-devel
Re: [XenPPC] Re: [Xen-ia64-devel] [PATCH 1/2] remove xencomm page size l
On Thu, 2007-08-02 at 11:44 +0900, Isaku Yamahata wrote:
>
> > But we can issue sequential p2m hcalls with different offsets, so we
> do.
> > So what exactly is the new problem?
>
> The limit is about 64GB for xen/ia64 because xen/ia64 deafult page
> size
> is 16KB.
> The issue I'm seeing is the populate physmap hypercall failure
> at domain creation. It's essentially same issue you described above.
> I want to remove the limitation with the patches.
Can't you simply issue repeated populate_physmap hypercalls,
incrementing extent_start?
Or, since you in fact probably don't need access to all 100GB during
domain creation, can't you just map the area you need?
> > (As a side question, is it really so difficult for you guys to just use
> > the common code? I tried very hard to make it easy for you to just
> > implement a couple hooks; I can't imagine it would take more than a day
> > to do it.)
>
> Sorry for that. It seems to be good time to resolve it.
> I'll work on xencomm consolidation.
No need to apologize, I'm just surprised that with all your xencomm work
it hasn't already been done.
--
Hollis Blanchard
IBM Linux Technology Center
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