SPARC64: Port to new cpu hotplug startup sequence.

arch/sparc64/kernel/sparc64_ksyms.c

@@ -145,6 +145,8 @@ EXPORT_SYMBOL(cpu_data);
 /* CPU online map and active count.  */
 EXPORT_SYMBOL(cpu_online_map);
 EXPORT_SYMBOL(sparc64_num_cpus_online);
+EXPORT_SYMBOL(phys_cpu_present_map);
+EXPORT_SYMBOL(sparc64_num_cpus_possible);
 
 /* Spinlock debugging library, optional. */
 #ifdef CONFIG_DEBUG_SPINLOCK

include/asm-sparc64/smp.h

@@ -65,11 +65,19 @@ extern cpuinfo_sparc cpu_data[NR_CPUS];
 #include <asm/atomic.h>
 
 extern unsigned char boot_cpu_id;
+
+extern unsigned long phys_cpu_present_map;
+#define cpu_possible(cpu)	(phys_cpu_present_map & (1UL << (cpu)))
+
 extern unsigned long cpu_online_map;
 #define cpu_online(cpu)		(cpu_online_map & (1UL << (cpu)))
+
 extern atomic_t sparc64_num_cpus_online;
 #define num_online_cpus()	(atomic_read(&sparc64_num_cpus_online))
 
+extern atomic_t sparc64_num_cpus_possible;
+#define num_possible_cpus()	(atomic_read(&sparc64_num_cpus_possible))
+
 static inline int any_online_cpu(unsigned long mask)
 {
 	if ((mask &= cpu_online_map) != 0UL)
@@ -81,10 +89,6 @@ static inline int any_online_cpu(unsigned long mask)
  *	General functions that each host system must provide.
  */
 
-extern void smp_callin(void);
-extern void smp_boot_cpus(void);
-extern void smp_store_cpu_info(int id);
-
 extern __inline__ int hard_smp_processor_id(void)
 {
 	if (tlb_type == cheetah) {