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xen-devel
Re: [Xen-devel] x86-64's paging_init()
Correct. I suggest either a clean BUG_ON() in virt_to_xen_l2e(), or
allocate-and-map the new l2 in that same function (but raises question of
how to test the new code path).
-- Keir
On 31/8/06 10:34 am, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:
> While adding code to create the compatibility p2m table mappings it
> seemed
> to me that the creation of the native ones is restricted to memory below
> the 512G boundary - otherwise, additional L2 tables would need to be
> allocated (currently other memory following the one L2 page getting
> allocated would be blindly overwritten). While I realize that machines
> this
> big aren't likely to be targeted by Xen at this point anyway (although
> the
> direct map area explicitly provides for 1T), I'd still want this fixed
> if
> someone confirms I'm not mis-reading something here (of if that's the
> case,
> then I'd still need a good explanation, as then I'm likely screwing up
> the
> compatibility table creation).
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