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Message-ID: <4E3A57BA.2040907@arm.com>
Date: Thu, 04 Aug 2011 09:26:34 +0100
From: Marc Zyngier <marc.zyngier@....com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
CC: Andrew Morton <akpm@...ux-foundation.org>,
Vasiliy Kulikov <segoon@...nwall.com>,
Manuel Lauss <manuel.lauss@...glemail.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Richard Weinberger <richard@....at>, Ingo Molnar <mingo@...e.hu>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>,
"Paul E. McKenney" <paul.mckenney@...aro.org>
Subject: Re: [PATCH] shm: fix a race between shm_exit() and shm_init()
On 04/08/11 01:35, Linus Torvalds wrote:
> On Wed, Aug 3, 2011 at 12:30 AM, Marc Zyngier <marc.zyngier@....com> wrote:
>>
>> driver_init() is called from do_basic_setup(), before any initcall...
>
> Ok, thanks everybody. I think the proper fix is the attached patch.
> It's crazy to have usermode helpers enabled early during boot when
> init etc haven't even been set up.
>
> So does this finally fix the problem (I realize that there are other
> patches floating around that *also* fix it, so please test this
> without those other patches).
This patch alone doesn't cure the problem... However, if combined with
the pure_initcall patch, it boots correctly.
I'll try to gather some traces later today.
M.
--
Jazz is not dead. It just smells funny...
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