3 files changed, 16 insertions, 14 deletions

diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index bbea636ff687..409db6d5ec99 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -131,7 +131,6 @@ void machine_halt(void)
 {
 }
 
-EXPORT_SYMBOL(machine_halt);
 
 void machine_power_off(void)
 {
@@ -139,7 +138,6 @@ void machine_power_off(void)
                 pm_power_off();
 }
 
-EXPORT_SYMBOL(machine_power_off);
 
 void machine_restart(char * __unused)
 {
@@ -169,8 +167,6 @@ void machine_restart(char * __unused)
         while (1);
 }
 
-EXPORT_SYMBOL(machine_restart);
-
 void __show_regs(struct pt_regs *regs)
 {
         unsigned long flags = condition_codes(regs);
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index a931409c8fe4..b2085735a2ba 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -36,7 +36,7 @@
  * The present bitmask indicates that the CPU is physically present.
  * The online bitmask indicates that the CPU is up and running.
  */
-cpumask_t cpu_present_mask;
+cpumask_t cpu_possible_map;
 cpumask_t cpu_online_map;
 
 /*
@@ -78,7 +78,7 @@ struct smp_call_struct {
 static struct smp_call_struct * volatile smp_call_function_data;
 static DEFINE_SPINLOCK(smp_call_function_lock);
 
-int __init __cpu_up(unsigned int cpu)
+int __cpuinit __cpu_up(unsigned int cpu)
 {
         struct task_struct *idle;
         pgd_t *pgd;
@@ -159,7 +159,7 @@ int __init __cpu_up(unsigned int cpu)
  * This is the secondary CPU boot entry.  We're using this CPUs
  * idle thread stack, but a set of temporary page tables.
  */
-asmlinkage void __init secondary_start_kernel(void)
+asmlinkage void __cpuinit secondary_start_kernel(void)
 {
         struct mm_struct *mm = &init_mm;
         unsigned int cpu = smp_processor_id();
@@ -176,6 +176,7 @@ asmlinkage void __init secondary_start_kernel(void)
         cpu_set(cpu, mm->cpu_vm_mask);
         cpu_switch_mm(mm->pgd, mm);
         enter_lazy_tlb(mm, current);
+        local_flush_tlb_all();
 
         cpu_init();
 
@@ -209,7 +210,7 @@ asmlinkage void __init secondary_start_kernel(void)
  * Called by both boot and secondaries to move global data into
  * per-processor storage.
  */
-void __init smp_store_cpu_info(unsigned int cpuid)
+void __cpuinit smp_store_cpu_info(unsigned int cpuid)
 {
         struct cpuinfo_arm *cpu_info = &per_cpu(cpu_data, cpuid);
 
@@ -235,7 +236,8 @@ void __init smp_prepare_boot_cpu(void)
 {
         unsigned int cpu = smp_processor_id();
 
-        cpu_set(cpu, cpu_present_mask);
+        cpu_set(cpu, cpu_possible_map);
+        cpu_set(cpu, cpu_present_map);
         cpu_set(cpu, cpu_online_map);
 }
 
@@ -355,7 +357,7 @@ void show_ipi_list(struct seq_file *p)
 
         seq_puts(p, "IPI:");
 
-        for_each_online_cpu(cpu)
+        for_each_present_cpu(cpu)
                 seq_printf(p, " %10lu", per_cpu(ipi_data, cpu).ipi_count);
 
         seq_putc(p, '\n');
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index df2cb06ce424..d571c37ac30c 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -248,16 +248,20 @@ static DEFINE_SPINLOCK(undef_lock);
 
 void register_undef_hook(struct undef_hook *hook)
 {
-        spin_lock_irq(&undef_lock);
+        unsigned long flags;
+
+        spin_lock_irqsave(&undef_lock, flags);
         list_add(&hook->node, &undef_hook);
-        spin_unlock_irq(&undef_lock);
+        spin_unlock_irqrestore(&undef_lock, flags);
 }
 
 void unregister_undef_hook(struct undef_hook *hook)
 {
-        spin_lock_irq(&undef_lock);
+        unsigned long flags;
+
+        spin_lock_irqsave(&undef_lock, flags);
         list_del(&hook->node);
-        spin_unlock_irq(&undef_lock);
+        spin_unlock_irqrestore(&undef_lock, flags);
 }
 
 asmlinkage void do_undefinstr(struct pt_regs *regs)