On Mon, Jun 04, 2018 at 12:29:21PM -0700, Linus Torvalds wrote: > On Mon, Jun 4, 2018 at 12:09 PM Mike Snitzer <snitzer@xxxxxxxxxx> wrote: > > > > Mikulas elected to use swait because of the very low latency nature of > > layering ontop of persistent memory. Use of "simple waitqueues" > > _seemed_ logical to me. > > I know. It's actually the main reason I have an almost irrational > hatred of those interfaces. They _look_ so simple and obvious, and > they are very tempting to use. And then they have that very subtle > issue that the default wakeup is exclusive. Would it help if we did s/swake_up/swake_up_one/g ? Then there would not be an swake_up() to cause confusion. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel