diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c
index ce3d45db94e9..7a6a5e795928 100644
--- a/arch/sparc/kernel/sun4d_smp.c
+++ b/arch/sparc/kernel/sun4d_smp.c
@@ -20,6 +20,7 @@
 #include <linux/swap.h>
 #include <linux/profile.h>
 #include <linux/delay.h>
+#include <linux/cpu.h>
 
 #include <asm/ptrace.h>
 #include <asm/atomic.h>
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c
index 0c564ba9e709..5fc386d08c47 100644
--- a/arch/sparc/kernel/sun4m_smp.c
+++ b/arch/sparc/kernel/sun4m_smp.c
@@ -17,6 +17,7 @@
 #include <linux/swap.h>
 #include <linux/profile.h>
 #include <linux/delay.h>
+#include <linux/cpu.h>
 
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
diff --git a/arch/sparc64/kernel/chmc.c b/arch/sparc64/kernel/chmc.c
index 967b04886822..3b9f4d6e14a9 100644
--- a/arch/sparc64/kernel/chmc.c
+++ b/arch/sparc64/kernel/chmc.c
@@ -831,7 +831,7 @@ static int __init us3mc_init(void)
 	if (!us3mc_platform())
 		return -ENODEV;
 
-	__asm__ ("rdpr %%ver, %0" : "=r" (ver));
+	__asm__ __volatile__("rdpr %%ver, %0" : "=r" (ver));
 	if ((ver >> 32UL) == __JALAPENO_ID ||
 	    (ver >> 32UL) == __SERRANO_ID) {
 		mc_type = MC_TYPE_JBUS;
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 2be166c544ca..e5627118e613 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -21,6 +21,7 @@
 #include <linux/jiffies.h>
 #include <linux/profile.h>
 #include <linux/lmb.h>
+#include <linux/cpu.h>
 
 #include <asm/head.h>
 #include <asm/ptrace.h>
@@ -115,6 +116,9 @@ void __cpuinit smp_callin(void)
 	atomic_inc(&init_mm.mm_count);
 	current->active_mm = &init_mm;
 
+	/* inform the notifiers about the new cpu */
+	notify_cpu_starting(cpuid);
+
 	while (!cpu_isset(cpuid, smp_commenced_mask))
 		rmb();