* Chuck Ebbert <cebbert@xxxxxxxxxx> wrote: > > Well, it's likely to remain around upstream so surely it's better to > > fix bugs and feed them back upstream than ignore this, it'll just be > > painful later on IMO :-) > > Well yeah, but it's optional. We don't enable CONFIG_PREEMPT and > that's been there for a long time... but CONFIG_PREEMPT has nontrivial overhead and impact. PREEMPT_BKL on the other hand has no overhead - in fact it helps on SMP, quite a bit at times. Ingo
