[SPARC64]: dr-cpu unconfigure support.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/asm-sparc64/smp.h b/include/asm-sparc64/smp.h
index c42c5a0..e8a96a3 100644
--- a/include/asm-sparc64/smp.h
+++ b/include/asm-sparc64/smp.h
@@ -41,7 +41,7 @@
 #define raw_smp_processor_id() (current_thread_info()->cpu)
 
 extern void smp_fill_in_sib_core_maps(void);
-extern unsigned char boot_cpu_id;
+extern void cpu_play_dead(void);
 
 #ifdef CONFIG_HOTPLUG_CPU
 extern int __cpu_disable(void);
@@ -54,7 +54,6 @@
 
 #define hard_smp_processor_id()		0
 #define smp_fill_in_sib_core_maps() do { } while (0)
-#define boot_cpu_id	(0)
 
 #endif /* !(CONFIG_SMP) */