On Mon, 10 Sep 2018, Peter Zijlstra wrote:
[ RT has something along those lines, and I have half a patch that starts doing that too, but I never found enough time to really work on it :-( ]
But don't rt rwsems act pretty much like a regular mutex in that it only allows readers to nest, not share the lock because of priority inversion scenarios. Also, wrt rtmutex, will that top-spinner thing ever make it in? Thanks, Davidlohr
