On 2018-06-15 13:34:28 [-0400], Steven Rostedt wrote: > On Fri, 15 Jun 2018 19:28:34 +0200 (CEST) > Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > > > One solution to that is to avoid both tasklets and kworkers and change the > > USB code to make use of threaded interrupt handlers. I.e. handle the fast > > stuff in the primary (hardirq) handler and delegate the rest to the irq > > thread. That thread still can offload disk type stuff to a kworker if > > needed. But the irq thread allows to bring the stuff under scheduler > > control and experiments which I did a few years ago worked out pretty good. > > If there's any question about this, drivers can request to have their > interrupt handlers run as threads. This has been added to mainline > years ago. And it really should be the default solution before pushing > off to tasklets or kworkers. https://lkml.kernel.org/r/20180216170450.yl5owfphuvltstnt@xxxxxxxxxxxxx > -- Steve Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
