Re: lockdep: access percpu variable too early

From: Ming Lei
Date: Wed Mar 06 2013 - 05:30:51 EST


On Wed, Mar 6, 2013 at 6:20 PM, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
>
> What's the practical effect of it? Do we copy the value from the boot CPU and thus
> the secondary CPUs start with slightly increased stats?

Yes, it is the major effect.

Also the arch dependent __my_cpu_offset might be initialized a bit late.

Thanks,
--
Ming Lei
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/