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Diffstat (limited to 'kernel/profile.c')
-rw-r--r--kernel/profile.c30
1 files changed, 3 insertions, 27 deletions
diff --git a/kernel/profile.c b/kernel/profile.c
index 1f391819c42..0bf40073766 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));
@@ -486,10 +462,10 @@ static const struct file_operations prof_cpu_mask_proc_fops = {
.write = prof_cpu_mask_proc_write,
};
-void create_prof_cpu_mask(struct proc_dir_entry *root_irq_dir)
+void create_prof_cpu_mask(void)
{
/* create /proc/irq/prof_cpu_mask */
- proc_create("prof_cpu_mask", 0600, root_irq_dir, &prof_cpu_mask_proc_fops);
+ proc_create("irq/prof_cpu_mask", 0600, NULL, &prof_cpu_mask_proc_fops);
}
/*
@@ -624,7 +600,7 @@ int __ref create_proc_profile(void) /* false positive from hotcpu_notifier */
NULL, &proc_profile_operations);
if (!entry)
return 0;
- entry->size = (1+prof_len) * sizeof(atomic_t);
+ proc_set_size(entry, (1 + prof_len) * sizeof(atomic_t));
hotcpu_notifier(profile_cpu_callback, 0);
return 0;
}