drivers: Remove CONFIG_OPROFILE support

[linux-2.6-microblaze.git] / drivers / oprofile / timer_int.c

diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c
deleted file mode 100644 (file)
index 2498a6c..0000000
--- a/drivers/oprofile/timer_int.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/**
- * @file timer_int.c
- *
- * @remark Copyright 2002 OProfile authors
- * @remark Read the file COPYING
- *
- * @author John Levon <levon@movementarian.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/notifier.h>
-#include <linux/smp.h>
-#include <linux/oprofile.h>
-#include <linux/profile.h>
-#include <linux/init.h>
-#include <linux/cpu.h>
-#include <linux/hrtimer.h>
-#include <asm/irq_regs.h>
-#include <asm/ptrace.h>
-
-#include "oprof.h"
-
-static DEFINE_PER_CPU(struct hrtimer, oprofile_hrtimer);
-static int ctr_running;
-
-static enum hrtimer_restart oprofile_hrtimer_notify(struct hrtimer *hrtimer)
-{
-       oprofile_add_sample(get_irq_regs(), 0);
-       hrtimer_forward_now(hrtimer, ns_to_ktime(TICK_NSEC));
-       return HRTIMER_RESTART;
-}
-
-static void __oprofile_hrtimer_start(void *unused)
-{
-       struct hrtimer *hrtimer = this_cpu_ptr(&oprofile_hrtimer);
-
-       if (!ctr_running)
-               return;
-
-       hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-       hrtimer->function = oprofile_hrtimer_notify;
-
-       hrtimer_start(hrtimer, ns_to_ktime(TICK_NSEC),
-                     HRTIMER_MODE_REL_PINNED);
-}
-
-static int oprofile_hrtimer_start(void)
-{
-       get_online_cpus();
-       ctr_running = 1;
-       on_each_cpu(__oprofile_hrtimer_start, NULL, 1);
-       put_online_cpus();
-       return 0;
-}
-
-static void __oprofile_hrtimer_stop(int cpu)
-{
-       struct hrtimer *hrtimer = &per_cpu(oprofile_hrtimer, cpu);
-
-       if (!ctr_running)
-               return;
-
-       hrtimer_cancel(hrtimer);
-}
-
-static void oprofile_hrtimer_stop(void)
-{
-       int cpu;
-
-       get_online_cpus();
-       for_each_online_cpu(cpu)
-               __oprofile_hrtimer_stop(cpu);
-       ctr_running = 0;
-       put_online_cpus();
-}
-
-static int oprofile_timer_online(unsigned int cpu)
-{
-       local_irq_disable();
-       __oprofile_hrtimer_start(NULL);
-       local_irq_enable();
-       return 0;
-}
-
-static int oprofile_timer_prep_down(unsigned int cpu)
-{
-       __oprofile_hrtimer_stop(cpu);
-       return 0;
-}
-
-static enum cpuhp_state hp_online;
-
-static int oprofile_hrtimer_setup(void)
-{
-       int ret;
-
-       ret = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN,
-                                       "oprofile/timer:online",
-                                       oprofile_timer_online,
-                                       oprofile_timer_prep_down);
-       if (ret < 0)
-               return ret;
-       hp_online = ret;
-       return 0;
-}
-
-static void oprofile_hrtimer_shutdown(void)
-{
-       cpuhp_remove_state_nocalls(hp_online);
-}
-
-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;
-}