I got stuck at a function to understand which is called in irq_enter context.
This function is rcu_exit_nohz();
I know rcu is read-copy-update locking mechanism to provide light weight locking
to synchronize readers and writers.
So now the question is what this function rcu_exit_nohz() do in irq_enter context
and what is "struct rcu_dynticks" is used for.
Can anyone please clarify these. Thanks.
Regards,
Sri.