From 015c8dd0cb3b380cb4c3930968250c719d1dd303 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Wed, 30 Jan 2008 13:32:58 +0100 Subject: [PATCH] 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 Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/xen/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 52f3928..3e9e095 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -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 }; } -- 2.7.4