File 19410-virt-to-maddr-fix.patch of Package xen

# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1237539443 0
# Node ID 4846d7ae75cd6790b242b23c5b6054c3a54f5db3
# Parent  2a373e32b04d05b64048d26c8faf152026ec93b5
x86_64: Fix handling of DIRECTMAP_VIRT_START in virt_to_maddr().

Signed-off-by: Xiaowei Yang <xiaowei.yang@intel.com>

Index: xen-3.3.1-testing/xen/include/asm-x86/x86_64/page.h
===================================================================
--- xen-3.3.1-testing.orig/xen/include/asm-x86/x86_64/page.h
+++ xen-3.3.1-testing/xen/include/asm-x86/x86_64/page.h
@@ -40,7 +40,7 @@ static inline unsigned long __virt_to_ma
     ASSERT(va >= XEN_VIRT_START);
     ASSERT(va < DIRECTMAP_VIRT_END);
     ASSERT((va < XEN_VIRT_END) || (va >= DIRECTMAP_VIRT_START));
-    if ( va > DIRECTMAP_VIRT_START )
+    if ( va >= DIRECTMAP_VIRT_START )
         return va - DIRECTMAP_VIRT_START;
     return va - XEN_VIRT_START + xen_phys_start;
 }