On Tue, Aug 22, 2017 at 1:53 PM, Peter Zijlstra <pet...@infradead.org> wrote: > > So _the_ problem with yield() is when you hit this with a RT task it > will busy spin and possibly not allow the task that actually has the > lock to make progress at all.
I thought we had explicitly defined yield() to not do that.
But I guess we could make this yielding behavior depend on a few more
heuristics. So do the yield only when there is contention, and when
it's a non-RT task.
Linus
