Re: migration thread and active_load_balance

[Dan Upton]

On Mon, Apr 21, 2008 at 7:03 AM, Dmitry Adamushko
<dmitry.adamushko@xxxxxxxxx> wrote:
> On 21/04/2008, Dan Upton <upton.dan.linux@xxxxxxxxx> wrote:
>  > [ ... ]
>
> >
>  >  kernel BUG at kernel/sched.c:2103
>
>  and what's this line in your patched sched.c?
>
>  is it -- BUG_ON(!irqs_disabled());  ?
>
>  anything in your unposted code (e.g. find_coolest_cpu()) that might
>  re-enable the interrupts before __migration_task() is called?
>
>  If you post your modifications as a patch
>  (Documentation/applying-patches.txt) that contains _all_ relevant
>  modifications, it'd be easier to guess what's wrong.

Yes, that's the line.  I don't recall ever reenabling interrupts, but
maybe somebody will see what I'm missing.  I've attached a full diff;
there are a few other places I've made changes for other scheduling
stuff that you'll see in the diff, that have all tested fine.

-dan

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