[Xen-changelog] [xen-unstable] [IA64] Fix vti guests broken issue.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
# Date 1226027114 -32400
# Node ID b9436a3c9f0034c2f8299102a8ead3437e457ef4
# Parent  f6795589ef82eb0b0d43162685d54df66d0c358a
[IA64] Fix vti guests broken issue.

mfn_valid should use machine physical pfn, not guest physical pfn.
This patch fixes the regression introduced by 18761:f6795589ef82.

Sign-off-by: Xiantao Zhang <xiantao.zhang@xxxxxxxxx>
---
 xen/arch/ia64/vmx/vtlb.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r f6795589ef82 -r b9436a3c9f00 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 12:05:14 2008 +0900
@@ -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);

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