linux-kernel - Re: Badness on the Warp

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Date:	Mon, 22 Jun 2009 08:25:04 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Frans Pop <elendil@...net.nl>,
	Sean MacLennan <smaclennan@...atech.com>,
	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org,
	David Gibson <david@...son.dropbear.id.au>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: Badness on the Warp

On Sun, 2009-06-21 at 13:20 +0300, Pekka Enberg wrote:
> The WARN_ON() is there to let us know that someone is doing a bootmem
> allocation but the slab allocator is already up. So the proper fix
> here is to use kmalloc() directly in the call-site that triggers this
> WARN_ON. I'm cc'ing Ben as he has been taking care of the fall-out
> from my patches on ppc.
> 
Right, our interrupt controllers need those fixes, they are low
on my priority list since it's a reasonably harmless warning and I'm
still chasing some actual breakage (though maybe not directly related to
your patches).

Kumar already submitted a couple, Frans, feel free to beat me
at converting UIC (just use kmalloc directly in there instead
of alloc_bootmem).

Cheers,
Ben.


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