wake_up_klogd

Name:wake_up_klogd

Proto:void wake_up_klogd(void)

Type:void

Parameter:Nothing

2969

Even if we don't have any preemption, we need preempt disable/enable* to be barriers, so that we don't have things like get_user/put_user* that can cause faults and scheduling migrate into our preempt-protected* region.()

2970

If waitqueue_active -- locklessly test for waiters on the queue*@wq_head: the waitqueue to test for waiters* returns true if the wait list is not empty* NOTE: this function is lockless and requires care, incorrect usage _will_ Then

2971

this_cpu_or(printk_pending, Delayed printk version, for scheduler-internal messages:)

2972

irq_work_queue(this_cpu_ptr( & wake_up_klogd_work))

2974

preempt_enable()

**Caller**
Name	Describe
vprintk_emit
bust_spinlocks

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