PATCH : Fix vti guests broken issue. 
mfn_valid should use machine physical pfn, not guest physical pfn. 

Sign-off-by: Xiantao Zhang <[EMAIL PROTECTED]>


diff -r f6795589ef82 xen/arch/ia64/vmx/vtlb.c
--- a/xen/arch/ia64/vmx/vtlb.c  Thu Nov 06 12:14:57 2008 +0900
+++ b/xen/arch/ia64/vmx/vtlb.c  Fri Nov 07 10:35:11 2008 +0800
@@ -522,7 +522,7 @@ static u64 translate_phy_pte(VCPU *v, u6
      * which is required by vga acceleration since qemu maps shared
      * vram buffer with WB.
      */
-    if (mfn_valid(pte_pfn(__pte(pte))) && phy_pte.ma != VA_MATTR_NATPAGE)
+    if (mfn_valid(pte_pfn(__pte(maddr))) && phy_pte.ma != VA_MATTR_NATPAGE)
         phy_pte.ma = VA_MATTR_WB;
 
     maddr = ((maddr & _PAGE_PPN_MASK) & PAGE_MASK) | (paddr & ~PAGE_MASK);

Attachment: vti-broken.patch
Description: vti-broken.patch

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