On Fri, Jan 16, 2015 at 11:48:46AM -0500, Steven Rostedt wrote: > I notice everywhere you have a swait_wake_interruptible() but here. Is > there a reason why? > > IIRC, Peter wants to make swait wakeup usage homogenous. That is, you > either sleep in an interruptible state, or you don't. You can't mix and > match it. > > Peter is that what you plan?
Yes, this is required for the single wakeup case to be bounded. If you have both INTERRUPTIBLE and UNINTERRUPTIBLE waiters on a list, and you were allowed to do INTERRUPTIBLE/UNINTERRUPTIBLE wakeups, the wakeup would have to do O(n) iteration to find a matching waiter. Seeing that the entire purpose of simple wait queues was to retain RT properties, that's entirely retarded ;-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
