1 files changed, 14 insertions, 6 deletions

diff --git a/arch/x86_64/kernel/head.S b/arch/x86_64/kernel/head.S
index 1e6f80870679..598a4d0351fc 100644
--- a/arch/x86_64/kernel/head.S
+++ b/arch/x86_64/kernel/head.S
@@ -163,6 +163,20 @@ startup_64:
          */
         lgdt    cpu_gdt_descr
 
+        /* set up data segments. actually 0 would do too */
+        movl $__KERNEL_DS,%eax
+        movl %eax,%ds
+        movl %eax,%ss
+        movl %eax,%es
+
+        /*
+         * We don't really need to load %fs or %gs, but load them anyway
+         * to kill any stale realmode selectors.  This allows execution
+         * under VT hardware.
+         */
+        movl %eax,%fs
+        movl %eax,%gs
+
         /* 
          * Setup up a dummy PDA. this is just for some early bootup code
          * that does in_interrupt() 
@@ -173,12 +187,6 @@ startup_64:
         shrq    $32,%rdx
         wrmsr   
 
-        /* set up data segments. actually 0 would do too */
-        movl $__KERNEL_DS,%eax
-        movl %eax,%ds   
-        movl %eax,%ss
-        movl %eax,%es
-                        
         /* esi is pointer to real mode structure with interesting info.
            pass it to C */
         movl    %esi, %edi