[Xen-changelog] [xen-unstable] Fix 64bit shadow tracking

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

# HG changeset patch
# User tdeegan@xxxxxxxxxxxxxxxxxxxxx
# Node ID a88f8c6d94018eb23fcf64ae5457f055f62259bd
# Parent  59f7fc3e525679552da95414d79e88f608c8fba5
Fix 64bit shadow tracking
(The mask used to check for available shadows was off by 1 bit)

Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
---
 xen/include/asm-x86/shadow2.h |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r 59f7fc3e5256 -r a88f8c6d9401 xen/include/asm-x86/shadow2.h
--- a/xen/include/asm-x86/shadow2.h     Thu Aug 17 17:10:13 2006 +0100
+++ b/xen/include/asm-x86/shadow2.h     Thu Aug 17 18:39:10 2006 +0100
@@ -489,7 +489,7 @@ shadow2_guest_physmap_remove_page(struct
  */
 #define PGC_SH2_type_to_index(_type) ((_type) >> PGC_SH2_type_shift)
 #define SH2F_page_type_mask \
-    (((1u << PGC_SH2_type_to_index(PGC_SH2_max_shadow + 1u)) - 1u) - \
+    (((1u << (PGC_SH2_type_to_index(PGC_SH2_max_shadow) + 1u)) - 1u) - \
      ((1u << PGC_SH2_type_to_index(PGC_SH2_min_shadow)) - 1u))
 
 #define SH2F_L1_32   (1u << PGC_SH2_type_to_index(PGC_SH2_l1_32_shadow))

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