On 07/17/13 15:53, Nicolas Pitre wrote: > On Wed, 17 Jul 2013, Stephen Boyd wrote: > >> On 07/17/13 15:34, Nicolas Pitre wrote: >>> On Wed, 17 Jul 2013, Stephen Boyd wrote: >>> >>>> On 07/12/13 05:10, Stephen Boyd wrote: >>>>> On 07/12, Javi Merino wrote: >>>>>> I agree, we should drop the check. It's annoying in uniprocessors and >>>>>> unlikely to be found in the real world unless your gic entry in the dt >>>>>> is wrong. >>> And that's a likely outcome in the real world. >>> >>>>> Ok. How about this? >>>> Any comments? >>> What about this instead: >> Unfortunately arm64 doesn't have SMP_ON_UP. > And why does that matter?
Because the gic driver is compiled on both arm and arm64? I suppose we could define is_smp() to 1 on arm64 but its probably better to rely on generic kernel things instead of arch specific functions. > >> It sounds like you preferred the first patch using num_possible_cpus() > Probably, yes. I didn't follow the early conversation though. This was the first patch: ---8<---- diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 19ceaa6..589c760 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -368,7 +368,7 @@ static u8 gic_get_cpumask(struct gic_chip_data *gic) break; } - if (!mask) + if (!mask && num_possible_cpus() > 1) pr_crit("GIC CPU mask not found - kernel will fail to boot.\n"); return mask; -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- 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/