# This is a BitKeeper generated diff -Nru style patch.
#
# ChangeSet
#   2005/06/07 00:52:27-04:00 jnakajim@build64.(none) 
#   Use the same as native for cr0 access.
#   
#   Signed-off-by: Jun Nakajima <jun.nakajima@intel.com>
# 
# linux-2.6.11-xen-sparse/include/asm-xen/asm-x86_64/system.h
#   2005/06/07 00:51:36-04:00 jnakajim@build64.(none) +4 -2
#   Use the same as native for cr0 access.
#   
#   Signed-off-by: Jun Nakajima <jun.nakajima@intel.com>
# 
diff -Nru a/linux-2.6.11-xen-sparse/include/asm-xen/asm-x86_64/system.h b/linux-2.6.11-xen-sparse/include/asm-xen/asm-x86_64/system.h
--- a/linux-2.6.11-xen-sparse/include/asm-xen/asm-x86_64/system.h	2005-06-07 00:52:38 -04:00
+++ b/linux-2.6.11-xen-sparse/include/asm-xen/asm-x86_64/system.h	2005-06-07 00:52:38 -04:00
@@ -147,12 +147,14 @@
 #define clts() (HYPERVISOR_fpu_taskswitch(0))
 static inline unsigned long read_cr0(void)
 { 
-	return 0;
+	unsigned long cr0;
+	asm volatile("movq %%cr0,%0" : "=r" (cr0));
+	return cr0;
 } 
 
 static inline void write_cr0(unsigned long val) 
 { 
-	/* Ignore, Linux tries to clear TS and EM */
+	asm volatile("movq %0,%%cr0" :: "r" (val));
 } 
 
 static inline unsigned long read_cr3(void)