On Thu, Sep 24, 2015 at 05:32:14PM +0800, Yang Yingliang wrote: > When cpu is disabled, all irqs will be migratged to another cpu. > In some cases, a new affinity is different, the old affinity need > to be updated and if irq_set_affinity's return value is IRQ_SET_MASK_OK_DONE, > the old affinity can not be updated. 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]>
I queued this patch for 4.4, on top of this branch from Thomas: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/for-arm The arm (32-bit) patch would need to go via Russell's tree (patch system, pull request or waiting until 4.4-rc1, it's up to Russell). Thanks. -- Catalin -- 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/
