[AMD Official Use Only - AMD Internal Distribution Only] Hello Jakub, Thanks for the feedback. We'll update the patch to cover the code under the rtnl_lock. About the empty function, there are no actions to perform when the driver's notify.release function is called. The IRQ notifier is only registered once and there are no older IRQ notifiers for the driver that could get called back. We also followed the precedent seen from other drivers in the kernel tree that follow the same mechanism . See code: