Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\printk\printk.c Create Date:2022-07-28 10:07:17
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:defer_console_output

Proto:void defer_console_output(void)

Type:void

Parameter:Nothing

2979  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.()
2980  __this_cpu_or(printk_pending, PRINTK_PENDING_OUTPUT)
2981  irq_work_queue(this_cpu_ptr( & wake_up_klogd_work))
2982  preempt_enable()
Caller
NameDescribe
vprintk_deferred
vprintk_func