On Tuesday 23 February 2016 04:28 PM, Noam Camus wrote: >> From: Peter Zijlstra [mailto:peterz@xxxxxxxxxxxxx] >> Sent: Tuesday, February 23, 2016 12:40 PM > >> The only requirement for irq_work is that it runs after the NMI completes and runs from regular IRQ context. >There are no strict interrupt priority requirements, only that it happens. > > We here already use self IPI and irq_work on ARC (with no NMI concerns). > Please see patch at: > https://github.com/EZchip/linux/commit/e42556738e610295f917c79dae166373cd11de88 So this relies on 2nd level intc providing the IPI. For UP we still need the software triggered interrupt provided by core intc. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
