From: Marc Zyngier <marc.zyngier@arm.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Vasiliy Kulikov <segoon@openwall.com>,
Manuel Lauss <manuel.lauss@googlemail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Richard Weinberger <richard@nod.at>, Ingo Molnar <mingo@elte.hu>,
"kernel-hardening@lists.openwall.com"
<kernel-hardening@lists.openwall.com>,
"Paul E. McKenney" <paul.mckenney@linaro.org>
Subject: Re: [PATCH] shm: fix a race between shm_exit() and shm_init()
Date: Thu, 04 Aug 2011 09:26:34 +0100 [thread overview]
Message-ID: <4E3A57BA.2040907@arm.com> (raw)
In-Reply-To: <CA+55aFzw-K6XvDzTwHRyqQWdkDO8Zqz8Ak1qgNTzf6a3L9=80A@mail.gmail.com>
On 04/08/11 01:35, Linus Torvalds wrote:
> On Wed, Aug 3, 2011 at 12:30 AM, Marc Zyngier <marc.zyngier@arm.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...
next prev parent reply other threads:[~2011-08-04 8:26 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-01 18:01 initcall dependency problem (ns vs. threads) Vasiliy Kulikov
2011-08-01 18:20 ` Andrew Morton
2011-08-01 18:34 ` [kernel-hardening] " Vasiliy Kulikov
2011-08-01 19:03 ` Vasiliy Kulikov
2011-08-01 19:07 ` Andrew Morton
2011-08-01 19:22 ` Vasiliy Kulikov
2011-08-02 0:01 ` Linus Torvalds
2011-08-02 12:45 ` [PATCH] shm: fix a race between shm_exit() and shm_init() Vasiliy Kulikov
2011-08-02 12:51 ` Manuel Lauss
2011-08-02 13:23 ` Richard Weinberger
2011-08-02 13:29 ` Marc Zyngier
2011-08-02 20:33 ` Andrew Morton
2011-08-02 20:55 ` Andrew Morton
2011-08-03 5:30 ` Manuel Lauss
2011-08-03 8:05 ` Marc Zyngier
2011-08-03 8:19 ` Linus Torvalds
2011-08-03 10:04 ` Manuel Lauss
2011-08-03 10:30 ` Marc Zyngier
2011-08-03 13:13 ` Thadeu Lima de Souza Cascardo
2011-08-03 13:33 ` Kay Sievers
2011-08-03 13:45 ` Richard Weinberger
2011-08-04 0:35 ` Linus Torvalds
2011-08-04 0:50 ` Andrew Morton
2011-08-04 1:01 ` Linus Torvalds
2011-08-04 1:15 ` Kay Sievers
2011-08-04 8:26 ` Marc Zyngier [this message]
2011-08-03 7:43 ` Linus Torvalds
2011-08-03 7:50 ` Manuel Lauss
2011-08-03 8:00 ` Manuel Lauss
2011-08-03 19:33 ` Andrew Morton
2011-08-03 19:52 ` [kernel-hardening] " Vasiliy Kulikov
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