On Sat 04-09-21 18:41:00, yong w wrote: [..] > > It is not in conflict but runtime overhead reduction without more burden > > on the configurability is usually a preferred approach. > I agree with you.I had an idea that we use global variables to identify whether > there is event registration,however, global variables need to be > protected with locks. Have a look at static keys which are usual tool to provide effectivelly zero overhead disabled branch. -- Michal Hocko SUSE Labs
