linux-imx

/*

 *  linux/kernel/panic.c

 *

 *  Copyright (C) 1991, 1992  Linus Torvalds

 */

​

/*

 * This function is used through-out the kernel (including mm and fs)

 * to indicate a major problem.

 */

#include <linux/debug_locks.h>

#include <linux/sched/debug.h>

#include <linux/interrupt.h>

#include <linux/kmsg_dump.h>

#include <linux/kallsyms.h>

#include <linux/notifier.h>

#include <linux/vt_kern.h>

#include <linux/module.h>

#include <linux/random.h>

#include <linux/ftrace.h>

#include <linux/reboot.h>

#include <linux/delay.h>

#include <linux/kexec.h>

#include <linux/sched.h>

#include <linux/sysrq.h>

#include <linux/init.h>

#include <linux/nmi.h>

#include <linux/console.h>

#include <linux/bug.h>

#include <linux/ratelimit.h>

#include <linux/debugfs.h>

#include <asm/sections.h>

​

#define PANIC_TIMER_STEP 100

#define PANIC_BLINK_SPD 18

​

int panic_on_oops = CONFIG_PANIC_ON_OOPS_VALUE;

static unsigned long tainted_mask =

    IS_ENABLED(CONFIG_GCC_PLUGIN_RANDSTRUCT) ? (1 << TAINT_RANDSTRUCT) : 0;

static int pause_on_oops;

static int pause_on_oops_flag;

static DEFINE_SPINLOCK(pause_on_oops_lock);

bool crash_kexec_post_notifiers;

int panic_on_warn __read_mostly;

​

int panic_timeout = CONFIG_PANIC_TIMEOUT;

EXPORT_SYMBOL_GPL(panic_timeout);

​

#define PANIC_PRINT_TASK_INFO       0x00000001

#define PANIC_PRINT_MEM_INFO        0x00000002

#define PANIC_PRINT_TIMER_INFO      0x00000004

#define PANIC_PRINT_LOCK_INFO       0x00000008

#define PANIC_PRINT_FTRACE_INFO     0x00000010

unsigned long panic_print;

​

ATOMIC_NOTIFIER_HEAD(panic_notifier_list);

​

EXPORT_SYMBOL(panic_notifier_list);

​

static long no_blink(int state)

{

    return 0;

}