1 files changed, 0 insertions, 24 deletions

diff --git a/kernel/profile.c b/kernel/profile.c
index 1f391819c42f..dc3384ee874e 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -37,9 +37,6 @@ struct profile_hit {
 #define NR_PROFILE_HIT          (PAGE_SIZE/sizeof(struct profile_hit))
 #define NR_PROFILE_GRP          (NR_PROFILE_HIT/PROFILE_GRPSZ)
 
-/* Oprofile timer tick hook */
-static int (*timer_hook)(struct pt_regs *) __read_mostly;
-
 static atomic_t *prof_buffer;
 static unsigned long prof_len, prof_shift;
 
@@ -208,25 +205,6 @@ int profile_event_unregister(enum profile_type type, struct notifier_block *n)
 }
 EXPORT_SYMBOL_GPL(profile_event_unregister);
 
-int register_timer_hook(int (*hook)(struct pt_regs *))
-{
-        if (timer_hook)
-                return -EBUSY;
-        timer_hook = hook;
-        return 0;
-}
-EXPORT_SYMBOL_GPL(register_timer_hook);
-
-void unregister_timer_hook(int (*hook)(struct pt_regs *))
-{
-        WARN_ON(hook != timer_hook);
-        timer_hook = NULL;
-        /* make sure all CPUs see the NULL hook */
-        synchronize_sched();  /* Allow ongoing interrupts to complete. */
-}
-EXPORT_SYMBOL_GPL(unregister_timer_hook);
-
-
 #ifdef CONFIG_SMP
 /*
  * Each cpu has a pair of open-addressed hashtables for pending
@@ -436,8 +414,6 @@ void profile_tick(int type)
 {
         struct pt_regs *regs = get_irq_regs();
 
-        if (type == CPU_PROFILING && timer_hook)
-                timer_hook(regs);
         if (!user_mode(regs) && prof_cpu_mask != NULL &&
             cpumask_test_cpu(smp_processor_id(), prof_cpu_mask))
                 profile_hit(type, (void *)profile_pc(regs));