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[Xen-changelog] [xen-unstable] x86 shadow: fix audit mode.

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Subject:	[Xen-changelog] [xen-unstable] x86 shadow: fix audit mode.
From:	Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Wed, 29 Apr 2009 09:20:12 -0700
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# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1241002403 -3600
# Node ID 86f659545f171cd10fa8bfb33b52bf11416fd3eb
# Parent  ea068394ec1233a5079c6a1be70dd9d44d9679e0
x86 shadow: fix audit mode.

Splintered L1s can have the dirty bit clean because of vram tracking.

Signed-off-by: Gianluca Guida <gianluca.guida@xxxxxxxxxxxxx>
---
 xen/arch/x86/mm/shadow/multi.c |    3 +++
 1 files changed, 3 insertions(+)

diff -r ea068394ec12 -r 86f659545f17 xen/arch/x86/mm/shadow/multi.c
--- a/xen/arch/x86/mm/shadow/multi.c    Wed Apr 29 11:52:14 2009 +0100
+++ b/xen/arch/x86/mm/shadow/multi.c    Wed Apr 29 11:53:23 2009 +0100
@@ -4987,6 +4987,9 @@ int sh_audit_fl1_table(struct vcpu *v, m
         f &= ~(_PAGE_AVAIL0|_PAGE_AVAIL1|_PAGE_AVAIL2);
         if ( !(f == 0 
                || f == (_PAGE_PRESENT|_PAGE_USER|_PAGE_RW|
+                        _PAGE_ACCESSED) 
+               || f == (_PAGE_PRESENT|_PAGE_USER|_PAGE_ACCESSED)
+               || f == (_PAGE_PRESENT|_PAGE_USER|_PAGE_RW|
                         _PAGE_ACCESSED|_PAGE_DIRTY) 
                || f == (_PAGE_PRESENT|_PAGE_USER|_PAGE_ACCESSED|_PAGE_DIRTY)
                || sh_l1e_is_magic(*sl1e)) )

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