--- zzzz-none-000/linux-3.10.107/arch/alpha/kernel/smp.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/alpha/kernel/smp.c	2021-02-04 17:41:59.000000000 +0000
@@ -63,7 +63,6 @@
 enum ipi_message_type {
 	IPI_RESCHEDULE,
 	IPI_CALL_FUNC,
-	IPI_CALL_FUNC_SINGLE,
 	IPI_CPU_STOP,
 };
 
@@ -116,7 +115,7 @@
 /*
  * Where secondaries begin a life of C.
  */
-void __cpuinit
+void
 smp_callin(void)
 {
 	int cpuid = hard_smp_processor_id();
@@ -138,9 +137,11 @@
 
 	/* Get our local ticker going. */
 	smp_setup_percpu_timer(cpuid);
+	init_clockevent();
 
 	/* Call platform-specific callin, if specified */
-	if (alpha_mv.smp_callin) alpha_mv.smp_callin();
+	if (alpha_mv.smp_callin)
+		alpha_mv.smp_callin();
 
 	/* All kernel threads share the same mm context.  */
 	atomic_inc(&init_mm.mm_count);
@@ -194,7 +195,7 @@
  * Send a message to a secondary's console.  "START" is one such
  * interesting message.  ;-)
  */
-static void __cpuinit
+static void
 send_secondary_console_msg(char *str, int cpuid)
 {
 	struct percpu_struct *cpu;
@@ -264,9 +265,10 @@
 		if (cnt <= 0 || cnt >= 80)
 			strcpy(buf, "<<< BOGUS MSG >>>");
 		else {
-			cp1 = (char *) &cpu->ipc_buffer[11];
+			cp1 = (char *) &cpu->ipc_buffer[1];
 			cp2 = buf;
-			strcpy(cp2, cp1);
+			memcpy(cp2, cp1, cnt);
+			cp2[cnt] = '\0';
 			
 			while ((cp2 = strchr(cp2, '\r')) != 0) {
 				*cp2 = ' ';
@@ -285,7 +287,7 @@
 /*
  * Convince the console to have a secondary cpu begin execution.
  */
-static int __cpuinit
+static int
 secondary_cpu_start(int cpuid, struct task_struct *idle)
 {
 	struct percpu_struct *cpu;
@@ -356,7 +358,7 @@
 /*
  * Bring one cpu online.
  */
-static int __cpuinit
+static int
 smp_boot_one_cpu(int cpuid, struct task_struct *idle)
 {
 	unsigned long timeout;
@@ -472,7 +474,7 @@
 {
 }
 
-int __cpuinit
+int
 __cpu_up(unsigned int cpu, struct task_struct *tidle)
 {
 	smp_boot_one_cpu(cpu, tidle);
@@ -497,42 +499,12 @@
 	       ((bogosum + 2500) / (5000/HZ)) % 100);
 }
 
-
-void
-smp_percpu_timer_interrupt(struct pt_regs *regs)
-{
-	struct pt_regs *old_regs;
-	int cpu = smp_processor_id();
-	unsigned long user = user_mode(regs);
-	struct cpuinfo_alpha *data = &cpu_data[cpu];
-
-	old_regs = set_irq_regs(regs);
-
-	/* Record kernel PC.  */
-	profile_tick(CPU_PROFILING);
-
-	if (!--data->prof_counter) {
-		/* We need to make like a normal interrupt -- otherwise
-		   timer interrupts ignore the global interrupt lock,
-		   which would be a Bad Thing.  */
-		irq_enter();
-
-		update_process_times(user);
-
-		data->prof_counter = data->prof_multiplier;
-
-		irq_exit();
-	}
-	set_irq_regs(old_regs);
-}
-
 int
 setup_profiling_timer(unsigned int multiplier)
 {
 	return -EINVAL;
 }
 
-
 static void
 send_ipi_message(const struct cpumask *to_whom, enum ipi_message_type operation)
 {
@@ -578,10 +550,6 @@
 			generic_smp_call_function_interrupt();
 			break;
 
-		case IPI_CALL_FUNC_SINGLE:
-			generic_smp_call_function_single_interrupt();
-			break;
-
 		case IPI_CPU_STOP:
 			halt();
 
@@ -632,7 +600,7 @@
 
 void arch_send_call_function_single_ipi(int cpu)
 {
-	send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE);
+	send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC);
 }
 
 static void