The Speedup numbers named in the commit [0] are impressive on arm but don't look very well on x86. On the other hand they add a thread-local write to every context switch and add a bunch of code. Add to that only 1.2 speedup on the LTTng benchmark.
To me as a non-kernel guy this doesn't sound very impressive..
To me as a non-kernel guy this doesn't sound very impressive..
[0] https://github.com/torvalds/linux/commit/d7822b1e24f2df5df98...