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[Xen-changelog] [xen-unstable] [IA64] A fix for itc.d emulation



# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID 99abd54a02d94ead0b9edaae33a541489e0fb90d
# Parent  43d9c8042ab6ad02cbffd64f84782dfc9c8069ca
[IA64] A fix for itc.d emulation

If natpage, insert into TLB directly.

Signed-off-by: Zhang xiantao <xiantao.zhang@xxxxxxxxx>
---
 xen/arch/ia64/vmx/vmmu.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff -r 43d9c8042ab6 -r 99abd54a02d9 xen/arch/ia64/vmx/vmmu.c
--- a/xen/arch/ia64/vmx/vmmu.c  Fri Jun 09 10:35:43 2006 -0600
+++ b/xen/arch/ia64/vmx/vmmu.c  Fri Jun 09 10:35:45 2006 -0600
@@ -376,12 +376,14 @@ IA64FAULT vmx_vcpu_itc_d(VCPU *vcpu, UIN
     if (VMX_DOMAIN(vcpu)) {
         if (__gpfn_is_io(vcpu->domain, gpfn))
             pte |= VTLB_PTE_IO;
-        else
+        else{
+           if ((pte & _PAGE_MA_MASK)!=_PAGE_MA_NAT)
             /* Ensure WB attribute if pte is related to a normal mem page,
              * which is required by vga acceleration since qemu maps shared
              * vram buffer with WB.
              */
-            pte &= ~_PAGE_MA_MASK;
+                pte &= ~_PAGE_MA_MASK;
+       }
     }
     thash_purge_and_insert(vcpu, pte, itir, ifa);
     return IA64_NO_FAULT;

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