xen: set _PAGE_NX in __supported_pte_mask before pagetable construction
authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Fri, 27 Mar 2009 18:29:02 +0000 (11:29 -0700)
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Wed, 8 Apr 2009 21:25:49 +0000 (14:25 -0700)
Some 64-bit machines don't support the NX flag in ptes.
Check for NX before constructing the kernel pagetables.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

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