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oprofile: Remove exit function for timer mode

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Remove exit functions by moving init/exit code to oprofile's setup/
shutdown functions. Doing so the oprofile module exit code will be
easier and less error-prone.

Signed-off-by: Robert Richter <robert.richter@amd.com>
This commit is contained in:
Robert Richter 2011-10-14 15:46:10 +02:00
parent 159a80b214
commit 75c43a20b2
2 changed files with 17 additions and 21 deletions
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8
drivers/oprofile/oprof.c
View File

@ -262,9 +262,7 @@ static int __init oprofile_init(void)
return 0;
/* failed */
if (timer_mode)
oprofile_timer_exit();
else
if (!timer_mode)
oprofile_arch_exit();
return err;
@ -274,9 +272,7 @@ static int __init oprofile_init(void)
static void __exit oprofile_exit(void)
{
oprofilefs_unregister();
if (timer_mode)
oprofile_timer_exit();
else
if (!timer_mode)
oprofile_arch_exit();
}

30
drivers/oprofile/timer_int.c
View File

@ -97,24 +97,24 @@ static struct notifier_block __refdata oprofile_cpu_notifier = {
.notifier_call = oprofile_cpu_notify,
};
int oprofile_timer_init(struct oprofile_operations *ops)
static int oprofile_hrtimer_setup(void)
{
int rc;
rc = register_hotcpu_notifier(&oprofile_cpu_notifier);
if (rc)
return rc;
ops->create_files = NULL;
ops->setup = NULL;
ops->shutdown = NULL;
ops->start = oprofile_hrtimer_start;
ops->stop = oprofile_hrtimer_stop;
ops->cpu_type = "timer";
printk(KERN_INFO "oprofile: using timer interrupt.\n");
return 0;
return register_hotcpu_notifier(&oprofile_cpu_notifier);
}
void oprofile_timer_exit(void)
static void oprofile_hrtimer_shutdown(void)
{
unregister_hotcpu_notifier(&oprofile_cpu_notifier);
}
int oprofile_timer_init(struct oprofile_operations *ops)
{
ops->create_files = NULL;
ops->setup = oprofile_hrtimer_setup;
ops->shutdown = oprofile_hrtimer_shutdown;
ops->start = oprofile_hrtimer_start;
ops->stop = oprofile_hrtimer_stop;
ops->cpu_type = "timer";
printk(KERN_INFO "oprofile: using timer interrupt.\n");
return 0;
}