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. > -Mike > Sebastian -- 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
