rcu_dynticks_eqs_exit

Name:Record exit from an extended quiescent state. This is only to be* called from an extended quiescent state.

Proto:static void rcu_dynticks_eqs_exit(void)

Type:void

Parameter:Nothing

254

rdp = this_cpu_ptr( & rcu_data)

262

seq = atomic_add_return(RCU_DYNTICK_CTRL_CTR, & Even value for idle, else odd. )

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WARN_ON_ONCE(IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_RCU_EQS_DEBUG) && !(seq & RCU_DYNTICK_CTRL_CTR))

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If seq & Steal a bit from the bottom of ->dynticks for idle entry/exit* control. Initially this is for TLB flushing. Then

266

atomic_andnot(Steal a bit from the bottom of ->dynticks for idle entry/exit* control. Initially this is for TLB flushing., & Even value for idle, else odd. )

267

smp_mb__after_atomic()

269

rcu_eqs_special_exit()

**Caller**
Name	Describe
rcu_eqs_exit	Exit an RCU extended quiescent state, which can be either the* idle loop or adaptive-tickless usermode execution.* We crowbar the ->dynticks_nmi_nesting field to DYNTICK_IRQ_NONIDLE to* allow for the possibility of usermode upcalls messing up our count of
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

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