x86: put get_kernel_rpl in a common location

This macro is useful for both i386 and x86_64, so put it in a common
location, where both arches can grab it.

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/include/asm-x86/segment.h b/include/asm-x86/segment.h
index 6050682..b3a7a3e 100644
--- a/include/asm-x86/segment.h
+++ b/include/asm-x86/segment.h
@@ -1,5 +1,14 @@
+#ifndef _ASM_X86_SEGMENT_H_
+#define _ASM_X86_SEGMENT_H_
+
 #ifdef CONFIG_X86_32
 # include "segment_32.h"
 #else
 # include "segment_64.h"
 #endif
+
+#ifndef CONFIG_PARAVIRT
+#define get_kernel_rpl()  0
+#endif
+
+#endif