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[Xen-changelog] [xen-unstable] [VMXASSIST] Small fix to virt-to-phys tra

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Subject:	[Xen-changelog] [xen-unstable] [VMXASSIST] Small fix to virt-to-phys translation.
From:	Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Tue, 26 Sep 2006 09:20:14 +0000
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# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID bdf3bddc97e771e855a852feb5a6140f4a4ab296
# Parent  b042bf974f3a32684596807f32e013f9e22944af
[VMXASSIST] Small fix to virt-to-phys translation.
CR4.PSE is ignored in PAE mode, so remove test of it.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
 tools/firmware/vmxassist/vm86.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r b042bf974f3a -r bdf3bddc97e7 tools/firmware/vmxassist/vm86.c
--- a/tools/firmware/vmxassist/vm86.c   Tue Sep 26 08:34:52 2006 +0100
+++ b/tools/firmware/vmxassist/vm86.c   Tue Sep 26 08:36:39 2006 +0100
@@ -95,7 +95,7 @@ guest_linear_to_real(uint32_t base)
                if (!(l1_mfn & PT_ENTRY_PRESENT))
                        panic("l2 entry not present\n");
 
-               if ((oldctx.cr4 & CR4_PSE) && (l1_mfn & PDE_PS)) {
+               if (l1_mfn & PDE_PS) { /* CR4.PSE is ignored in PAE mode */
                        l0_mfn = l1_mfn & 0x3ffe00000ULL;
                        return l0_mfn + (base & 0x1fffff);
                }

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