2 files changed, 32 insertions, 1 deletions

diff --git a/include/asm-i386/paravirt.h b/include/asm-i386/paravirt.h
index 0aacb13bb929..c49b44cdd8ee 100644
--- a/include/asm-i386/paravirt.h
+++ b/include/asm-i386/paravirt.h
@@ -2,10 +2,11 @@
 #define __ASM_PARAVIRT_H
 /* Various instructions on x86 need to be replaced for
  * para-virtualization: those hooks are defined here. */
+
+#ifdef CONFIG_PARAVIRT
 #include <linux/stringify.h>
 #include <asm/page.h>
 
-#ifdef CONFIG_PARAVIRT
 /* These are the most performance critical ops, so we want to be able to patch
  * callers */
 #define PARAVIRT_IRQ_DISABLE 0
@@ -50,6 +51,9 @@ struct paravirt_ops
         char *(*memory_setup)(void);
         void (*init_IRQ)(void);
 
+        void (*pagetable_setup_start)(pgd_t *pgd_base);
+        void (*pagetable_setup_done)(pgd_t *pgd_base);
+
         void (*banner)(void);
 
         unsigned long (*get_wallclock)(void);
@@ -370,6 +374,17 @@ static inline void setup_secondary_clock(void)
 }
 #endif
 
+static inline void paravirt_pagetable_setup_start(pgd_t *base)
+{
+        if (paravirt_ops.pagetable_setup_start)
+                (*paravirt_ops.pagetable_setup_start)(base);
+}
+
+static inline void paravirt_pagetable_setup_done(pgd_t *base)
+{
+        if (paravirt_ops.pagetable_setup_done)
+                (*paravirt_ops.pagetable_setup_done)(base);
+}
 
 #ifdef CONFIG_SMP
 static inline void startup_ipi_hook(int phys_apicid, unsigned long start_eip,
diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h
index 147f2553784d..0790ad6ed440 100644
--- a/include/asm-i386/pgtable.h
+++ b/include/asm-i386/pgtable.h
@@ -514,6 +514,22 @@ do {									\
  * tables contain all the necessary information.
  */
 #define update_mmu_cache(vma,address,pte) do { } while (0)
+
+void native_pagetable_setup_start(pgd_t *base);
+void native_pagetable_setup_done(pgd_t *base);
+
+#ifndef CONFIG_PARAVIRT
+static inline void paravirt_pagetable_setup_start(pgd_t *base)
+{
+        native_pagetable_setup_start(base);
+}
+
+static inline void paravirt_pagetable_setup_done(pgd_t *base)
+{
+        native_pagetable_setup_done(base);
+}
+#endif  /* !CONFIG_PARAVIRT */
+
 #endif /* !__ASSEMBLY__ */
 
 #ifdef CONFIG_FLATMEM