linux-imx

// SPDX-License-Identifier: GPL-2.0+

/*

 * Common functions for in-kernel torture tests.

 *

 * Copyright (C) IBM Corporation, 2014

 *

 * Author: Paul E. McKenney <paulmck@linux.ibm.com>

 *  Based on kernel/rcu/torture.c.

 */

​

#define pr_fmt(fmt) fmt

​

#include <linux/types.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/module.h>

#include <linux/kthread.h>

#include <linux/err.h>

#include <linux/spinlock.h>

#include <linux/smp.h>

#include <linux/interrupt.h>

#include <linux/sched.h>

#include <linux/sched/clock.h>

#include <linux/atomic.h>

#include <linux/bitops.h>

#include <linux/completion.h>

#include <linux/moduleparam.h>

#include <linux/percpu.h>

#include <linux/notifier.h>

#include <linux/reboot.h>

#include <linux/freezer.h>

#include <linux/cpu.h>

#include <linux/delay.h>

#include <linux/stat.h>

#include <linux/slab.h>

#include <linux/trace_clock.h>

#include <linux/ktime.h>

#include <asm/byteorder.h>

#include <linux/torture.h>

#include "rcu/rcu.h"

​

MODULE_LICENSE("GPL");

MODULE_AUTHOR("Paul E. McKenney <paulmck@linux.ibm.com>");

​

static char *torture_type;

static int verbose;

​

/* Mediate rmmod and system shutdown.  Concurrent rmmod & shutdown illegal! */

#define FULLSTOP_DONTSTOP 0 /* Normal operation. */

#define FULLSTOP_SHUTDOWN 1 /* System shutdown with torture running. */

#define FULLSTOP_RMMOD    2 /* Normal rmmod of torture. */

static int fullstop = FULLSTOP_RMMOD;

static DEFINE_MUTEX(fullstop_mutex);

​

#ifdef CONFIG_HOTPLUG_CPU

​

/*

 * Variables for online-offline handling.  Only present if CPU hotplug

 * is enabled, otherwise does nothing.

 */

​

static struct task_struct *onoff_task;

static long onoff_holdoff;