static void s2idle_enter(void)
{
trace_suspend_resume(TPS("machine_suspend"), PM_SUSPEND_TO_IDLE, true);
raw_spin_lock_irq(&s2idle_lock);
if (pm_wakeup_pending())
goto out;
s2idle_state = S2IDLE_STATE_ENTER;
raw_spin_unlock_irq(&s2idle_lock);
get_online_cpus();
cpuidle_resume();
/* Push all the CPUs into the idle loop. */
wake_up_all_idle_cpus();
/* Make the current CPU wait so it can enter the idle loop too. */
swait_event_exclusive(s2idle_wait_head,
s2idle_state == S2IDLE_STATE_WAKE);
cpuidle_pause();
put_online_cpus();
raw_spin_lock_irq(&s2idle_lock);
out:
s2idle_state = S2IDLE_STATE_NONE;
raw_spin_unlock_irq(&s2idle_lock);
trace_suspend_resume(TPS("machine_suspend"), PM_SUSPEND_TO_IDLE, false);
}
/*
* handle_nested_irq - Handle a nested irq from a irq thread
* @irq: the interrupt number
*
* Handle interrupts which are nested into a threaded interrupt
* handler. The handler function is called inside the calling
* threads context.
*/
void handle_nested_irq(unsigned int irq)
{
struct irq_desc *desc = irq_to_desc(irq);
struct irqaction *action;
irqreturn_t action_ret;
might_sleep();
raw_spin_lock_irq(&desc->lock);
kstat_incr_irqs_this_cpu(irq, desc);
action = desc->action;
if (unlikely(!action || (desc->istate & IRQS_DISABLED)))
goto out_unlock;
irq_compat_set_progress(desc);
desc->istate |= IRQS_INPROGRESS;
raw_spin_unlock_irq(&desc->lock);
action_ret = action->thread_fn(action->irq, action->dev_id);
if (!noirqdebug)
note_interrupt(irq, desc, action_ret);
raw_spin_lock_irq(&desc->lock);
desc->istate &= ~IRQS_INPROGRESS;
irq_compat_clr_progress(desc);
out_unlock:
raw_spin_unlock_irq(&desc->lock);
}
/*
* handle_nested_irq - Handle a nested irq from a irq thread
* @irq: the interrupt number
*
* Handle interrupts which are nested into a threaded interrupt
* handler. The handler function is called inside the calling
* threads context.
*/
void handle_nested_irq(unsigned int irq)
{
struct irq_desc *desc = irq_to_desc(irq);
struct irqaction *action;
irqreturn_t action_ret;
might_sleep();
raw_spin_lock_irq(&desc->lock);
desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING);
kstat_incr_irqs_this_cpu(irq, desc);
action = desc->action;
if (unlikely(!action || irqd_irq_disabled(&desc->irq_data))) {
desc->istate |= IRQS_PENDING;
goto out_unlock;
}
irqd_set(&desc->irq_data, IRQD_IRQ_INPROGRESS);
raw_spin_unlock_irq(&desc->lock);
action_ret = action->thread_fn(action->irq, action->dev_id);
if (!noirqdebug)
note_interrupt(irq, desc, action_ret);
raw_spin_lock_irq(&desc->lock);
irqd_clear(&desc->irq_data, IRQD_IRQ_INPROGRESS);
out_unlock:
raw_spin_unlock_irq(&desc->lock);
}
static int stlog_print(char __user *buf, int size)
{
char *text;
struct ringbuf *msg;
int len = 0;
#ifdef DEBUG_STLOG
printk("[STLOG] %s stlog_seq %llu stlog_idx %lu ringbuf_first_seq %llu ringbuf_first_idx %lu ringbuf_next_seq %llu ringbuf_next_idx %lu \n",
__func__,stlog_seq,stlog_idx,ringbuf_first_seq,ringbuf_first_idx,ringbuf_next_seq,ringbuf_next_idx);
#endif
text = kmalloc(RINGBUF_LINE_MAX + S_PREFIX_MAX, GFP_KERNEL);
if (!text)
return -ENOMEM;
while (size > 0) {
size_t n;
raw_spin_lock_irq(&ringbuf_lock);
if (stlog_seq < ringbuf_first_seq) {
/* messages are gone, move to first one */
stlog_seq = ringbuf_first_seq;
stlog_idx = ringbuf_first_idx;
ringbuf_prev = 0;
}
if (stlog_seq == ringbuf_next_seq) {
raw_spin_unlock_irq(&ringbuf_lock);
break;
}
msg = ringbuf_from_idx(stlog_idx);
n = stlog_print_text(msg, ringbuf_prev, false, text, RINGBUF_LINE_MAX + S_PREFIX_MAX);
if (n <= size) {
/* message fits into buffer, move forward */
stlog_idx = ringbuf_next(stlog_idx);
stlog_seq++;
ringbuf_prev = msg->flags;
} else if (!len){
n = size;
} else
n = 0;
raw_spin_unlock_irq(&ringbuf_lock);
if (!n)
break;
if (copy_to_user(buf, text, n)) {
if (!len)
len = -EFAULT;
break;
}
len += n;
size -= n;
buf += n;
}
kfree(text);
return len;
}
static inline int set_sysint1_assign(unsigned int irq, unsigned char assign)
{
struct irq_desc *desc = irq_to_desc(irq);
uint16_t intassign0, intassign1;
unsigned int pin;
pin = SYSINT1_IRQ_TO_PIN(irq);
raw_spin_lock_irq(&desc->lock);
intassign0 = icu1_read(INTASSIGN0);
intassign1 = icu1_read(INTASSIGN1);
switch (pin) {
case 0:
intassign0 &= ~INTASSIGN_MASK;
intassign0 |= (uint16_t)assign;
break;
case 1:
intassign0 &= ~(INTASSIGN_MASK << 3);
intassign0 |= (uint16_t)assign << 3;
break;
case 2:
intassign0 &= ~(INTASSIGN_MASK << 6);
intassign0 |= (uint16_t)assign << 6;
break;
case 3:
intassign0 &= ~(INTASSIGN_MASK << 9);
intassign0 |= (uint16_t)assign << 9;
break;
case 8:
intassign0 &= ~(INTASSIGN_MASK << 12);
intassign0 |= (uint16_t)assign << 12;
break;
case 9:
intassign1 &= ~INTASSIGN_MASK;
intassign1 |= (uint16_t)assign;
break;
case 11:
intassign1 &= ~(INTASSIGN_MASK << 6);
intassign1 |= (uint16_t)assign << 6;
break;
case 12:
intassign1 &= ~(INTASSIGN_MASK << 9);
intassign1 |= (uint16_t)assign << 9;
break;
default:
raw_spin_unlock_irq(&desc->lock);
return -EINVAL;
}
sysint1_assign[pin] = assign;
icu1_write(INTASSIGN0, intassign0);
icu1_write(INTASSIGN1, intassign1);
raw_spin_unlock_irq(&desc->lock);
return 0;
}
/*****************************************************************************
函数名称 : mlog_log_read
功能描述 :
输入参数 :
输出参数 :
返 回 值 : No
修改历史 :
*****************************************************************************/
static ssize_t mlog_log_read(struct file *file, char __user *buf,size_t count, loff_t *ppos)
{
ssize_t ret = -EINVAL;
int error = 0;
int i = 0;
int bwr_eq_rd = 0;
char c;
DEFINE_WAIT(wait);
for (;;) {
prepare_to_wait(&mlog_log_wait, &wait, TASK_INTERRUPTIBLE);
raw_spin_lock_irq(&mlog_log_buf_lock);
bwr_eq_rd = (log_wr_off == log_rd_off);
raw_spin_unlock_irq(&mlog_log_buf_lock);
if (!bwr_eq_rd)
{
break;
}
if (file->f_flags & O_NONBLOCK)
{
ret = -EAGAIN;
break;
}
if (signal_pending(current))
{
ret = -EINTR;
break;
}
schedule();
}
finish_wait(&mlog_log_wait, &wait);
if (bwr_eq_rd)
{
return ret;
}
raw_spin_lock_irq(&mlog_log_buf_lock);
i = 0;
while (!error && (log_wr_off != log_rd_off) && i < count) {
c = LOG_BUF(log_rd_off);
log_rd_off++;
error = __put_user(c,buf);
buf++;
i++;
}
if (!error) {
ret = i;
}
raw_spin_unlock_irq(&mlog_log_buf_lock);
return ret;
}
/*
* This function is protected against re-entrancy.
*/
void die(const char *str, struct pt_regs *regs, int err)
{
enum bug_trap_type bug_type = BUG_TRAP_TYPE_NONE;
struct thread_info *thread = current_thread_info();
int ret;
oops_enter();
raw_spin_lock_irq(&die_lock);
console_verbose();
bust_spinlocks(1);
if (!user_mode(regs))
bug_type = report_bug(regs->pc, regs);
if (bug_type != BUG_TRAP_TYPE_NONE)
str = "Oops - BUG";
ret = __die(str, err, thread, regs);
if (regs && kexec_should_crash(thread->task))
crash_kexec(regs);
bust_spinlocks(0);
add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
raw_spin_unlock_irq(&die_lock);
oops_exit();
if (in_interrupt())
panic("Fatal exception in interrupt");
if (panic_on_oops)
panic("Fatal exception");
if (ret != NOTIFY_STOP)
do_exit(SIGSEGV);
}
/*
* This function is protected against re-entrancy.
*/
void die(const char *str, struct pt_regs *regs, int err)
{
struct thread_info *thread = current_thread_info();
int ret;
oops_enter();
raw_spin_lock_irq(&die_lock);
console_verbose();
bust_spinlocks(1);
ret = __die(str, err, thread, regs);
if (regs && kexec_should_crash(thread->task))
crash_kexec(regs);
bust_spinlocks(0);
add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
raw_spin_unlock_irq(&die_lock);
oops_exit();
if (in_interrupt())
panic("Fatal exception in interrupt");
if (panic_on_oops)
panic("Fatal exception");
if (ret != NOTIFY_STOP)
do_exit(SIGSEGV);
}
/*
* Because this function is inlined, the 'state' parameter will be
* constant, and thus optimised away by the compiler. Likewise the
* 'timeout' parameter for the cases without timeouts.
*/
static inline int __sched __down_common(struct semaphore *sem, long state,
long timeout)
{
struct semaphore_waiter waiter;
list_add_tail(&waiter.list, &sem->wait_list);
waiter.task = current;
waiter.up = false;
for (;;) {
if (signal_pending_state(state, current))
goto interrupted;
if (unlikely(timeout <= 0))
goto timed_out;
__set_current_state(state);
raw_spin_unlock_irq(&sem->lock);
timeout = schedule_timeout(timeout);
raw_spin_lock_irq(&sem->lock);
if (waiter.up)
return 0;
}
timed_out:
list_del(&waiter.list);
return -ETIME;
interrupted:
list_del(&waiter.list);
return -EINTR;
}
/*
* Copy a range of characters from the log buffer.
*/
int log_buf_copy(char *dest, int idx, int len)
{
int ret, max;
bool took_lock = false;
if (!oops_in_progress) {
raw_spin_lock_irq(&logbuf_lock);
took_lock = true;
}
max = log_buf_get_len();
if (idx < 0 || idx >= max) {
ret = -1;
} else {
if (len > max - idx)
len = max - idx;
ret = len;
idx += (log_end - max);
while (len-- > 0)
dest[len] = LOG_BUF(idx + len);
}
if (took_lock)
raw_spin_unlock_irq(&logbuf_lock);
return ret;
}
/**
* probe_irq_on - begin an interrupt autodetect
*
* Commence probing for an interrupt. The interrupts are scanned
* and a mask of potential interrupt lines is returned.
*
*/
unsigned long probe_irq_on(void)
{
struct irq_desc *desc;
unsigned long mask = 0;
int i;
/*
* quiesce the kernel, or at least the asynchronous portion
*/
async_synchronize_full();
mutex_lock(&probing_active);
/*
* something may have generated an irq long ago and we want to
* flush such a longstanding irq before considering it as spurious.
*/
for_each_irq_desc_reverse(i, desc) {
raw_spin_lock_irq(&desc->lock);
if (!desc->action && irq_settings_can_probe(desc)) {
/*
* Some chips need to know about probing in
* progress:
*/
if (desc->irq_data.chip->irq_set_type)
desc->irq_data.chip->irq_set_type(&desc->irq_data,
IRQ_TYPE_PROBE);
irq_startup(desc, false);
}
raw_spin_unlock_irq(&desc->lock);
}
/*
* It is not legal to sleep in the idle task - print a warning
* message if some code attempts to do it:
*/
static void
dequeue_task_idle(struct rq *rq, struct task_struct *p, int flags)
{
raw_spin_unlock_irq(&rq->lock);
printk(KERN_ERR "bad: scheduling from the idle thread!\n");
dump_stack();
raw_spin_lock_irq(&rq->lock);
}
/*
* enable any unassigned irqs
* (we must startup again here because if a longstanding irq
* happened in the previous stage, it may have masked itself)
*/
for_each_irq_desc_reverse(i, desc) {
raw_spin_lock_irq(&desc->lock);
if (!desc->action && irq_settings_can_probe(desc)) {
desc->istate |= IRQS_AUTODETECT | IRQS_WAITING;
if (irq_startup(desc, false))
desc->istate |= IRQS_PENDING;
}
raw_spin_unlock_irq(&desc->lock);
}
/**
* pci_cfg_access_lock - Lock PCI config reads/writes
* @dev: pci device struct
*
* When access is locked, any userspace reads or writes to config
* space and concurrent lock requests will sleep until access is
* allowed via pci_cfg_access_unlock() again.
*/
void pci_cfg_access_lock(struct pci_dev *dev)
{
might_sleep();
raw_spin_lock_irq(&pci_lock);
if (dev->block_cfg_access)
pci_wait_cfg(dev);
dev->block_cfg_access = 1;
raw_spin_unlock_irq(&pci_lock);
}
static noinline void pci_wait_cfg(struct pci_dev *dev)
{
DECLARE_WAITQUEUE(wait, current);
init_waitqueue_head(&wait);
do {
raw_spin_unlock_irq(&pci_lock);
vmm_completion_wait(&__pci_cfg_completion);
raw_spin_lock_irq(&pci_lock);
} while (dev->block_cfg_access);
}
static ssize_t hwirq_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
struct irq_desc *desc = container_of(kobj, struct irq_desc, kobj);
ssize_t ret = 0;
raw_spin_lock_irq(&desc->lock);
if (desc->irq_data.domain)
ret = sprintf(buf, "%d\n", (int)desc->irq_data.hwirq);
raw_spin_unlock_irq(&desc->lock);
return ret;
}
static noinline void pci_wait_cfg(struct pci_dev *dev)
{
DECLARE_WAITQUEUE(wait, current);
__add_wait_queue(&pci_cfg_wait, &wait);
do {
set_current_state(TASK_UNINTERRUPTIBLE);
raw_spin_unlock_irq(&pci_lock);
schedule();
raw_spin_lock_irq(&pci_lock);
} while (dev->block_cfg_access);
__remove_wait_queue(&pci_cfg_wait, &wait);
}
/*
* handle_nested_irq - Handle a nested irq from a irq thread
* @irq: the interrupt number
*
* Handle interrupts which are nested into a threaded interrupt
* handler. The handler function is called inside the calling
* threads context.
*/
void handle_nested_irq(unsigned int irq)
{
struct irq_desc *desc = irq_to_desc(irq);
struct irqaction *action;
int mask_this_irq = 0;
irqreturn_t action_ret;
might_sleep();
raw_spin_lock_irq(&desc->lock);
kstat_incr_irqs_this_cpu(irq, desc);
action = desc->action;
if (unlikely(!action || (desc->status & IRQ_DISABLED))) {
mask_this_irq = 1;
if (!(desc->status & IRQ_LEVEL))
desc->status |= IRQ_PENDING;
goto out_unlock;
}
desc->status |= IRQ_INPROGRESS;
raw_spin_unlock_irq(&desc->lock);
action_ret = action->thread_fn(action->irq, action->dev_id);
if (!noirqdebug)
note_interrupt(irq, desc, action_ret);
raw_spin_lock_irq(&desc->lock);
desc->status &= ~IRQ_INPROGRESS;
out_unlock:
if (unlikely(mask_this_irq)) {
chip_bus_lock(irq, desc);
mask_irq(desc, irq);
chip_bus_sync_unlock(irq, desc);
}
raw_spin_unlock_irq(&desc->lock);
}
static ssize_t name_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
struct irq_desc *desc = container_of(kobj, struct irq_desc, kobj);
ssize_t ret = 0;
raw_spin_lock_irq(&desc->lock);
if (desc->name)
ret = scnprintf(buf, PAGE_SIZE, "%s\n", desc->name);
raw_spin_unlock_irq(&desc->lock);
return ret;
}
/*
* Now filter out any obviously spurious interrupts
*/
for_each_irq_desc(i, desc) {
raw_spin_lock_irq(&desc->lock);
if (desc->istate & IRQS_AUTODETECT) {
/* It triggered already - consider it spurious. */
if (!(desc->istate & IRQS_WAITING)) {
desc->istate &= ~IRQS_AUTODETECT;
irq_shutdown(desc);
} else
if (i < 32)
mask |= 1 << i;
}
raw_spin_unlock_irq(&desc->lock);
}
static ssize_t wakeup_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
struct irq_desc *desc = container_of(kobj, struct irq_desc, kobj);
ssize_t ret = 0;
raw_spin_lock_irq(&desc->lock);
ret = sprintf(buf, "%s\n",
irqd_is_wakeup_set(&desc->irq_data) ? "enabled" : "disabled");
raw_spin_unlock_irq(&desc->lock);
return ret;
}
static ssize_t type_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
struct irq_desc *desc = container_of(kobj, struct irq_desc, kobj);
ssize_t ret = 0;
raw_spin_lock_irq(&desc->lock);
ret = sprintf(buf, "%s\n",
irqd_is_level_type(&desc->irq_data) ? "level" : "edge");
raw_spin_unlock_irq(&desc->lock);
return ret;
}
int dev_read_kmsg(char __user *buf, int len)
{
int error = -EINVAL;
unsigned i;
char c;
if (!buf || len < 0)
goto out;
error = 0;
if (!len)
goto out;
if (!access_ok(VERIFY_WRITE, buf, len)) {
error = -EFAULT;
goto out;
}
error = wait_event_interruptible(dev_wait,
(dev_start - log_end));
if (error)
goto out;
i = 0;
raw_spin_lock_irq(&logbuf_lock);
while (!error && (dev_start != log_end) && i < len) {
c = LOG_BUF(dev_start);
dev_start++;
raw_spin_unlock_irq(&logbuf_lock);
error = __put_user(c,buf);
buf++;
i++;
cond_resched();
raw_spin_lock_irq(&logbuf_lock);
}
raw_spin_unlock_irq(&logbuf_lock);
if (!error)
error = i;
out:
return error;
}
/*
* handle_nested_irq - Handle a nested irq from a irq thread
* @irq: the interrupt number
*
* Handle interrupts which are nested into a threaded interrupt
* handler. The handler function is called inside the calling
* threads context.
*/
void handle_nested_irq(unsigned int irq)
{
struct irq_desc *desc = irq_to_desc(irq);
struct irqaction *action;
int mask_this_irq = 0;
irqreturn_t action_ret;
might_sleep();
raw_spin_lock_irq(&desc->lock);
kstat_incr_irqs_this_cpu(irq, desc);
action = desc->action;
if (unlikely(!action || irqd_irq_disabled(&desc->irq_data))) {
mask_this_irq = 1;
goto out_unlock;
}
irqd_set(&desc->irq_data, IRQD_IRQ_INPROGRESS);
raw_spin_unlock_irq(&desc->lock);
action_ret = action->thread_fn(action->irq, action->dev_id);
if (!noirqdebug)
note_interrupt(irq, desc, action_ret);
raw_spin_lock_irq(&desc->lock);
irqd_clear(&desc->irq_data, IRQD_IRQ_INPROGRESS);
out_unlock:
raw_spin_unlock_irq(&desc->lock);
if (unlikely(mask_this_irq)) {
chip_bus_lock(desc);
mask_irq(desc);
chip_bus_sync_unlock(desc);
}
}
/* see cgroup_stat_flush() */
static void cgroup_stat_flush_locked(struct cgroup *cgrp)
{
int cpu;
lockdep_assert_held(&cgroup_stat_mutex);
for_each_possible_cpu(cpu) {
raw_spinlock_t *cpu_lock = per_cpu_ptr(&cgroup_cpu_stat_lock, cpu);
struct cgroup *pos = NULL;
raw_spin_lock_irq(cpu_lock);
while ((pos = cgroup_cpu_stat_pop_updated(pos, cgrp, cpu)))
cgroup_cpu_stat_flush_one(pos, cpu);
raw_spin_unlock_irq(cpu_lock);
}
}
/*****************************************************************************
函数名称 : mlog_log_poll
功能描述 :
输入参数 :
输出参数 :
返 回 值 : No
修改历史 :
*****************************************************************************/
static unsigned int mlog_log_poll(struct file *file, poll_table *wait)
{
unsigned int ret = 0;
poll_wait(file, &mlog_log_wait, wait);
raw_spin_lock_irq(&mlog_log_buf_lock);
if (log_wr_off != log_rd_off) {
ret = POLLIN | POLLRDNORM;
}
raw_spin_unlock_irq(&mlog_log_buf_lock);
return ret;
}
int log_buf_copy2(char *dest, int dest_len, int log_copy_start, int log_copy_end)
{
bool took_lock = false;
int count;
if (!oops_in_progress) {
raw_spin_lock_irq(&logbuf_lock);
took_lock = true;
}
for (count = 0; (log_copy_start != log_end) && (log_copy_start != log_copy_end) && (count < dest_len); log_copy_start++) {
dest[count++] = LOG_BUF(log_copy_start);
}
if (took_lock)
raw_spin_unlock_irq(&logbuf_lock);
return count;
}
static ssize_t actions_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
struct irq_desc *desc = container_of(kobj, struct irq_desc, kobj);
struct irqaction *action;
ssize_t ret = 0;
char *p = "";
raw_spin_lock_irq(&desc->lock);
for (action = desc->action; action != NULL; action = action->next) {
ret += scnprintf(buf + ret, PAGE_SIZE - ret, "%s%s",
p, action->name);
p = ",";
}
raw_spin_unlock_irq(&desc->lock);
if (ret)
ret += scnprintf(buf + ret, PAGE_SIZE - ret, "\n");
return ret;
}
/**
* __rt_mutex_slowlock() - Perform the wait-wake-try-to-take loop
* @lock: the rt_mutex to take
* @state: the state the task should block in (TASK_INTERRUPTIBLE
* or TASK_UNINTERRUPTIBLE)
* @timeout: the pre-initialized and started timer, or NULL for none
* @waiter: the pre-initialized rt_mutex_waiter
*
* lock->wait_lock must be held by the caller.
*/
static int __sched
__rt_mutex_slowlock(struct rt_mutex *lock, int state,
struct hrtimer_sleeper *timeout,
struct rt_mutex_waiter *waiter,
unsigned long flags)
{
int ret = 0;
for (;;) {
/* Try to acquire the lock: */
if (try_to_take_rt_mutex(lock, current, waiter))
break;
/*
* TASK_INTERRUPTIBLE checks for signals and
* timeout. Ignored otherwise.
*/
if (unlikely(state == TASK_INTERRUPTIBLE)) {
/* Signal pending? */
if (signal_pending(current))
ret = -EINTR;
if (timeout && !timeout->task)
ret = -ETIMEDOUT;
if (ret)
break;
}
raw_spin_unlock_irq(&lock->wait_lock);
debug_rt_mutex_print_deadlock(waiter);
schedule_rt_mutex(lock);
raw_spin_lock_irq(&lock->wait_lock);
set_current_state(state);
}
return ret;
}
/*
* This function is protected against re-entrancy.
*/
void die(const char *str, struct pt_regs *regs, int err)
{
struct thread_info *thread = current_thread_info();
int ret;
#ifdef CONFIG_HUAWEI_PRINTK_CTRL
printk_level_setup(LOGLEVEL_DEBUG);
#endif
oops_enter();
raw_spin_lock_irq(&die_lock);
console_verbose();
bust_spinlocks(1);
#ifdef CONFIG_HISI_BB
set_exception_info(instruction_pointer(regs));
#endif
ret = __die(str, err, thread, regs);
if (regs && kexec_should_crash(thread->task))
crash_kexec(regs);
bust_spinlocks(0);
add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
raw_spin_unlock_irq(&die_lock);
oops_exit();
if (in_interrupt())
panic("Fatal exception in interrupt");
if (panic_on_oops)
panic("Fatal exception");
if (ret != NOTIFY_STOP)
do_exit(SIGSEGV);
#ifdef CONFIG_HUAWEI_PRINTK_CTRL
printk_level_setup(sysctl_printk_level);
#endif
}
