paravirt: make siblingmap functions visible

Paravirt implementations need to set the sibling map on new cpus.
Signed-off-by: NJeremy Fitzhardinge <jeremy@xensource.com>

arch/i386/kernel/smpboot.c

@@ -308,8 +308,7 @@ cpumask_t cpu_coregroup_map(int cpu)
 /* representing cpus for which sibling maps can be computed */
 static cpumask_t cpu_sibling_setup_map;
 
-static inline void
-set_cpu_sibling_map(int cpu)
+void set_cpu_sibling_map(int cpu)
 {
 	int i;
 	struct cpuinfo_x86 *c = cpu_data;
@@ -1144,8 +1143,7 @@ void __init native_smp_prepare_boot_cpu(void)
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
-static void
-remove_siblinginfo(int cpu)
+void remove_siblinginfo(int cpu)
 {
 	int sibling;
 	struct cpuinfo_x86 *c = cpu_data;

include/asm-i386/smp.h

@@ -43,9 +43,12 @@ extern u8 x86_cpu_to_apicid[];
 
 #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