[Xen-changelog] [xen-unstable] compat-guest accessor macros do not need address check for hvm guests.

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

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1274857778 -3600
# Node ID a69d09da4917c7b57ceed65224e4bbc389601081
# Parent  32cdd423d4ebab2b2d03a4501be08438c5dc7050
compat-guest accessor macros do not need address check for hvm guests.

Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
---
 xen/include/xen/compat.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)

diff -r 32cdd423d4eb -r a69d09da4917 xen/include/xen/compat.h
--- a/xen/include/xen/compat.h  Wed May 26 08:08:46 2010 +0100
+++ b/xen/include/xen/compat.h  Wed May 26 08:09:38 2010 +0100
@@ -90,8 +90,9 @@
  * Allows use of faster __copy_* functions.
  */
 #define compat_handle_okay(hnd, nr)                                  \
+    (paging_mode_external(current->domain) ||                        \
     compat_array_access_ok((void *)(full_ptr_t)(hnd).c, (nr),        \
-                           sizeof(**(hnd)._))
+                           sizeof(**(hnd)._)))
 
 #define __copy_to_compat_offset(hnd, off, ptr, nr) ({                \
     const typeof(*(ptr)) *_s = (ptr);                                \

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