Commit 015c8dd0 authored Jan 30, 2008 by Jeremy Fitzhardinge Committed by Ingo Molnar Jan 30, 2008

xen: mask out PWT too



The hypervisor doesn't allow PCD or PWT to be set on guest ptes, so
make sure they're masked out.  Also, fix up some previous mispatching.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent 4891645e

arch/x86/xen/mmu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -291,7 +291,7 @@ pte_t xen_make_pte(unsigned long pte)
		if (pte & _PAGE_PRESENT)
		pte = phys_to_machine(XPADDR(pte)).maddr;

		pte &= ~_PAGE_PCD;
		pte &= ~(_PAGE_PCD \| _PAGE_PWT);

		return (pte_t){ pte };
		}