Re: [patch 00/16] sched: per-entity load-tracking

From: Stephen Boyd
Date: Thu Dec 20 2012 - 02:39:38 EST


On 11/26/2012 5:08 AM, Jassi Brar wrote:
> The patchset introduces 64-bit atomic ops, which would need
> init_atomic64_lock() already called, but that is an initcall made too
> late. Should we consider calling init_atomic64_lock() sooner in
> start_kernel()?
>
> As an example of breakage, I see the following dump with
> CONFIG_DEBUG_SPINLOCK on an OMAP based Pandaboard.

I saw this post while searching lkml for similar problems. Perhaps you
can try applying my patch to see if this BUG message goes away. Thanks.

https://lkml.org/lkml/2012/12/19/302

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