1 files changed, 6 insertions, 1 deletions

diff --git a/include/asm-i386/segment.h b/include/asm-i386/segment.h
index b7ab59685ba7..3c796af33776 100644
--- a/include/asm-i386/segment.h
+++ b/include/asm-i386/segment.h
@@ -39,7 +39,7 @@
  *  25 - APM BIOS support 
  *
  *  26 - ESPFIX small SS
- *  27 - unused
+ *  27 - PDA                            [ per-cpu private data area ]
  *  28 - unused
  *  29 - unused
  *  30 - unused
@@ -74,6 +74,9 @@
 #define GDT_ENTRY_ESPFIX_SS             (GDT_ENTRY_KERNEL_BASE + 14)
 #define __ESPFIX_SS (GDT_ENTRY_ESPFIX_SS * 8)
 
+#define GDT_ENTRY_PDA                   (GDT_ENTRY_KERNEL_BASE + 15)
+#define __KERNEL_PDA (GDT_ENTRY_PDA * 8)
+
 #define GDT_ENTRY_DOUBLEFAULT_TSS       31
 
 /*
@@ -128,5 +131,7 @@
 #define SEGMENT_LDT             0x4
 #define SEGMENT_GDT             0x0
 
+#ifndef CONFIG_PARAVIRT
 #define get_kernel_rpl()  0
 #endif
+#endif