Re: crazy idea: big percpu lock (Re: task isolation)
On Thu, Oct 08, 2015 at 02:25:23PM -0700, Andy Lutomirski wrote: > I want to propose a new primitive that might go a long way toward > solving this issue. The new primitive would be called the "big percpu > lock".
Never, ever, combine big and lock :-) You want small granular locks, big locks are a guaranteed recipe for pain.