On Thu, Sep 17, 2015 at 06:19:25AM +0100, Yang Yingliang 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 move_irqs() to migrate interrupts in kernel/irq/migration.c. > > Cc: Jiang Liu <jiang....@linux.intel.com> > Cc: Thomas Gleixner <t...@linutronix.de> > Cc: Marc Zyngier <marc.zyng...@arm.com> > Cc: Mark Rutland <mark.rutl...@arm.com> > Cc: Will Deacon <will.dea...@arm.com> > Cc: Russell King - ARM Linux <li...@arm.linux.org.uk> > Cc: Hanjun Guo <hanjun....@linaro.org> > Signed-off-by: Yang Yingliang <yangyingli...@huawei.com> > --- > arch/arm64/Kconfig | 1 + > arch/arm64/include/asm/irq.h | 1 - > arch/arm64/kernel/irq.c | 62 > -------------------------------------------- > arch/arm64/kernel/smp.c | 2 +- > 4 files changed, 2 insertions(+), 64 deletions(-)
Removing code is always good, so: Acked-by: Will Deacon <will.dea...@arm.com> but obviously this depends on the core stuff. Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
