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-rw-r--r--include/asm-i386/processor.h1
-rw-r--r--include/asm-i386/segment.h4
2 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h
index ced2da8a0d65..70f3515c3db0 100644
--- a/include/asm-i386/processor.h
+++ b/include/asm-i386/processor.h
@@ -750,6 +750,7 @@ extern void enable_sep_cpu(void);
extern int sysenter_setup(void);
extern void cpu_set_gdt(int);
+extern void switch_to_new_gdt(void);
extern void cpu_init(void);
extern int force_mwait;
diff --git a/include/asm-i386/segment.h b/include/asm-i386/segment.h
index 07e70624d87c..597a47c2515f 100644
--- a/include/asm-i386/segment.h
+++ b/include/asm-i386/segment.h
@@ -75,7 +75,11 @@
#define __ESPFIX_SS (GDT_ENTRY_ESPFIX_SS * 8)
#define GDT_ENTRY_PERCPU (GDT_ENTRY_KERNEL_BASE + 15)
+#ifdef CONFIG_SMP
#define __KERNEL_PERCPU (GDT_ENTRY_PERCPU * 8)
+#else
+#define __KERNEL_PERCPU 0
+#endif
#define GDT_ENTRY_DOUBLEFAULT_TSS 31