From: Rusty Russell <rusty@rustcorp.com.au>
To: Greg KH <gregkh@suse.de>
Subject: Re: [080/119] sched: Fix boot crash by zalloc()ing most of the cpu masks
Date: Tue, 8 Dec 2009 12:09:51 +1030
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Cc: linux-kernel@vger.kernel.org, stable@kernel.org, stable-review@kernel.org,
       torvalds@linux-foundation.org, Ingo Molnar <mingo@elte.hu>,
       Anton Blanchard <anton@samba.org>
References: <20091206235936.208334321@mini.kroah.org> <20091207000654.821385285@mini.kroah.org>
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On Mon, 7 Dec 2009 10:30:56 am Greg KH wrote:
> 2.6.31-stable review patch.  If anyone has any objections, please let us know.
> 
> ------------------
> From: Rusty Russell <rusty@rustcorp.com.au>
> 
> commit 49557e620339cb134127b5bfbcfecc06b77d0232 upstream.
> 
> I got a boot crash when forcing cpumasks offstack on 32 bit,
> because find_new_ilb() returned 3 on my UP system (nohz.cpu_mask
> wasn't zeroed).

Please also include "bdddd2963c0264c56f18043f6fa829d3c1d3d1c0"
(sched: Fix isolcpus boot option) from Linus' tree which fixes
a regression this introduces.

Thanks,
Rusty.
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