paravirt: make siblingmap functions visible

Paravirt implementations need to set the sibling map on new cpus.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
diff --git a/include/asm-i386/smp.h b/include/asm-i386/smp.h
index 0f54f44..1f73bde 100644
--- a/include/asm-i386/smp.h
+++ b/include/asm-i386/smp.h
@@ -43,9 +43,12 @@
 
 #define cpu_physical_id(cpu)	x86_cpu_to_apicid[cpu]
 
+extern void set_cpu_sibling_map(int cpu);
+
 #ifdef CONFIG_HOTPLUG_CPU
 extern void cpu_exit_clear(void);
 extern void cpu_uninit(void);
+extern void remove_siblinginfo(int cpu);
 #endif
 
 struct smp_ops