Convert rwlock in isc_log_t to RCU
The isc_log_t contains a isc_logconfig_t that is swapped, dereferenced or accessed its fields through a mutex. Instead of protecting it with a rwlock, use RCU.
Closes #4491 (closed)
The isc_log_t contains a isc_logconfig_t that is swapped, dereferenced or accessed its fields through a mutex. Instead of protecting it with a rwlock, use RCU.
Closes #4491 (closed)