Hello.
KaiGai Kohei wrote:
> If so, you can apply RCU instead to avoid read lock
> when scanning the list, like:
>
> rcu_read_lock();
> list_for_each_entry(...) {
> ....
> }
> rcu_read_unlock();
Can I sleep between rcu_read_lock() and rcu_read_unlock() ?
As far as I saw, rcu_read_lock() makes in_atomic() true, so I think I can't sleep.
If I use RCU, I have to give up " [TOMOYO 13/15] Conditional permission support"
because tmy_check_condition() can sleep.
Regards.
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