On Sat, 19 Sep 2015 11:05:59 +0800 Yang Yingliang <[email protected]> wrote:
> When cpu is disabled, all irqs will be migratged to another cpu. > In some cases, a new affinity is different, it needed to be coppied > to irq's affinity. But if the type of irq is LPI, it's affinity will > not be coppied because of irq_set_affinity's return value. Fix it by > using irq_do_set_affinity. > > And migrating interrupts is a core code matter, so use the generic > function irq_migrate_all_off_this_cpu() to migrate interrupts in > kernel/irq/migration.c. > > Cc: Jiang Liu <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Cc: Marc Zyngier <[email protected]> > Cc: Mark Rutland <[email protected]> > Cc: Will Deacon <[email protected]> > Cc: Russell King - ARM Linux <[email protected]> > Cc: Hanjun Guo <[email protected]> > Signed-off-by: Yang Yingliang <[email protected]> Acked-by: Marc Zyngier <[email protected]> M. -- Jazz is not dead. It just smells funny. -- 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/
