Function report | 
Source Code:kernel\rcu\tree.c | 
Create Date:2022-07-28 10:25:11 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
| home page | Tree | 
| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:Is the current CPU in an extended quiescent state?* No ordering, as we are sampling CPU-local information.
Proto:bool rcu_dynticks_curr_cpu_in_eqs(void)
Type:bool
Parameter:Nothing
| 299 | rdp = this_cpu_ptr( & rcu_data) | 
| 301 | Return Not (atomic_read( & Even value for idle, else odd. ) & RCU_DYNTICK_CTRL_CTR) | 
| Name | Describe | 
|---|---|
| rcu_nmi_exit_common | If we are returning from the outermost NMI handler that interrupted an* RCU-idle period, update rdp->dynticks and rdp->dynticks_nmi_nesting* to let the RCU grace-period handling know that the CPU is back to* being RCU-idle | 
| rcu_nmi_enter_common | _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 | 
| rcu_is_watching | _is_watching - see if RCU thinks that the current CPU is not idle* Return true if RCU is watching the running CPU, which means that this* CPU can safely enter RCU read-side critical sections | 
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