On Mon, 2016-03-07 at 16:31 +0100, Sebastian Andrzej Siewior wrote: > On 02/29/2016 05:58 AM, Mike Galbraith wrote: > > WRT -rt: if dma tasklets really do have hard (ish) constraints, -rt > > recently "broke" in the same way.. of all softirqs which are deferred > > to kthread context, due to a recent change, only timer/hrtimer are > > executed at realtime priority by default. > > no. All softirqs are invoked in the context of the current process that > triggerd the softirq invocation. If NAPI goes on for too long (or other > softirq can't be executed in this context) it will continue in the > ksoftirqd. And this threads runs at a normal priority like it does in > mainline. > I adjusted it with mainline. Yeah, that's what I said, the ksoftirqd case became the same in -rt. -Mike -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
