Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > > Add a wakeup call for a case whereby the caller already has the waitqueue > > spinlock held. > > That naming is crazy. Sorry, yeah. This is a bit hacked together at the moment and needs some more tidying up. I've had a lot of problems with performance regressions of up to 40% from seemingly simple changes involving moving locks around - it turns out that the problem was that I was running with kasan enabled. David
