Here are two patches which update the hypercall interfaces to

use 64-bit values for both page table entries and physical
addresses.  These changes are needed to use more than 4GB with
PAE paging enabled.

The first patch is a pretty straightforward update for xen, it
simply makes the values 64-bit wide everythere.

The second patch adapts the linux kernel to the hypercall
interface changes.  It also introduces two MULTI_* functions
(for the update_va_mapping hypercalls) which have simliar
behavior like the HYPERVISOR_* counterparts but fill
multicall_entry_t instead of doing the call directly.

The tools don't need source code changes, but must be rebuilt
due to the change in the xen public header file.

Domain0 boots fine, unpriviliged domain boots fine with fully
functional networking.  Note this is non-PAE mode, tools don't
have support for PAE domU boots yet.

Signed-off-by: Gerd Knorr <kraxel@suse.de>

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