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Date: Wed, 3 Aug 2011 12:04:01 +0200
From: Manuel Lauss <>
To: Linus Torvalds <>
Cc: Marc Zyngier <>, Andrew Morton <>, 
	Vasiliy Kulikov <>,, 
	Richard Weinberger <>, Ingo Molnar <>,, 
	"Paul E. McKenney" <>
Subject: Re: [PATCH] shm: fix a race between shm_exit() and shm_init()

On Wed, Aug 3, 2011 at 10:19 AM, Linus Torvalds
<> wrote:
> On Tue, Aug 2, 2011 at 10:05 PM, Marc Zyngier <> wrote:
>> Reordering the initcalls seems the easiest solution, but it is still very
>> fragile...
> So that's what I tried to do, by making it a "pure_initcall()". Even
> that didn't seem to be enough according to Manuel.
> Can you try my patch (that makes just that ipc ns init be a
> pure_initcall(), together with your hack on top of Andrew's? What is
> it that happens so early that even pure_initcall() hasn't been done
> yet?

I stuck a few printk's in the init path, the first "schedule()" in
starts it.  I don't know enough kernel (yet) to trace it further, sorry.


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