tree 2877e7132f6ae6199be181d1f8ffd72c7221b647
parent f021c8b334cc00739b5d43b5be5f97a34b1ad16a
author Isaku Yamahata <yamahata@valinux.co.jp> 1224209875 +0900
committer Tony Luck <tony.luck@intel.com> 1224262847 -0700

ia64/xen: implement arch specific part of xen grant table.

Xen implements grant tables which is for sharing pages with
guest domains.
This patch implements arch specific part of grant table initialization.
and xen_alloc_vm_area()/xen_free_vm_area() which are helper functions
for xen grant table.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>