1 files changed, 7 insertions, 3 deletions

diff --git a/arch/x86_64/kernel/smp.c b/arch/x86_64/kernel/smp.c
index 4a6628b14d99..8188bae9c6d5 100644
--- a/arch/x86_64/kernel/smp.c
+++ b/arch/x86_64/kernel/smp.c
@@ -224,6 +224,7 @@ void flush_tlb_current_task(void)
                 flush_tlb_others(cpu_mask, mm, FLUSH_ALL);
         preempt_enable();
 }
+EXPORT_SYMBOL(flush_tlb_current_task);
 
 void flush_tlb_mm (struct mm_struct * mm)
 {
@@ -244,6 +245,7 @@ void flush_tlb_mm (struct mm_struct * mm)
 
         preempt_enable();
 }
+EXPORT_SYMBOL(flush_tlb_mm);
 
 void flush_tlb_page(struct vm_area_struct * vma, unsigned long va)
 {
@@ -266,6 +268,7 @@ void flush_tlb_page(struct vm_area_struct * vma, unsigned long va)
 
         preempt_enable();
 }
+EXPORT_SYMBOL(flush_tlb_page);
 
 static void do_flush_tlb_all(void* info)
 {
@@ -443,6 +446,7 @@ int smp_call_function (void (*func) (void *info), void *info, int nonatomic,
         spin_unlock(&call_lock);
         return 0;
 }
+EXPORT_SYMBOL(smp_call_function);
 
 void smp_stop_cpu(void)
 {
@@ -460,7 +464,7 @@ static void smp_really_stop_cpu(void *dummy)
 {
         smp_stop_cpu(); 
         for (;;) 
-                asm("hlt"); 
+                halt();
 } 
 
 void smp_send_stop(void)
@@ -520,13 +524,13 @@ asmlinkage void smp_call_function_interrupt(void)
 
 int safe_smp_processor_id(void)
 {
-        int apicid, i;
+        unsigned apicid, i;
 
         if (disable_apic)
                 return 0;
 
         apicid = hard_smp_processor_id();
-        if (x86_cpu_to_apicid[apicid] == apicid)
+        if (apicid < NR_CPUS && x86_cpu_to_apicid[apicid] == apicid)
                 return apicid;
 
         for (i = 0; i < NR_CPUS; ++i) {