函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\rcu\tree.c Create Date:2022-07-27 11:26:05
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：_nmi_enter - inform RCU of entry to NMI context

函数原型：void rcu_nmi_enter(void)

返回类型：void

参数：无

848  _nmi_enter_common - inform RCU of entry to NMI context*@irq: Is this call from rcu_irq_enter?* If the CPU was idle from RCU's viewpoint, update rdp->dynticks and* rdp->dynticks_nmi_nesting to let the RCU grace-period handling know* that the CPU is active
调用者
名称描述
ist_enterIn IST context, we explicitly disable preemption. This serves two* purposes: it makes it much less likely that we would accidentally* schedule in IST context and it will force a warning if we somehow* manage to schedule by accident.
kernel_text_address