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- jessie 3.16.56-1+deb8u1
RCU_IDLE_EXIT(9) | Driver Basics | RCU_IDLE_EXIT(9) |
NAME¶
rcu_idle_exit - inform RCU that current CPU is leaving idleSYNOPSIS¶
void rcu_idle_exit(void);
ARGUMENTS¶
voidno arguments
DESCRIPTION¶
Exit idle mode, in other words, -enter- the mode in which RCU read-side critical sections can occur. We crowbar the ->dynticks_nesting field to DYNTICK_TASK_NEST to allow for the possibility of usermode upcalls messing up our count of interrupt nesting level during the busy period that is just now starting.COPYRIGHT¶
May 2018 | Kernel Hackers Manual 3.16 |