From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] reset: sunxi: fix spinlock initialization
Date: Thu, 8 Jan 2015 10:30:44 +0100 [thread overview]
Message-ID: <20150108093044.GL7853@lukather> (raw)
In-Reply-To: <1420678479-630-1-git-send-email-tyler.baker@linaro.org>
Hi Tyler,
On Wed, Jan 07, 2015 at 04:54:39PM -0800, Tyler Baker wrote:
> Call spin_lock_init() before the spinlocks are used, preventing a lockdep
> splat.
>
> I have been observing lockdep complaining [1] during boot on my a80 optimus [2]
> when CONFIG_PROVE_LOCKING has been enabled. This patch resolves the splat,
> and has been tested on a few other sunxi platforms without issue.
>
> [1] http://storage.kernelci.org/next/next-20150107/arm-multi_v7_defconfig+CONFIG_PROVE_LOCKING=y/lab-tbaker/boot-sun9i-a80-optimus.html
> [2] http://kernelci.org/boot/?a80-optimus
>
> Signed-off-by: Tyler Baker <tyler.baker@linaro.org>
Thanks for this patch.
Can you send this to stable too please?
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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next prev parent reply other threads:[~2015-01-08 9:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-08 0:54 [PATCH] reset: sunxi: fix spinlock initialization Tyler Baker
2015-01-08 9:09 ` Philipp Zabel
2015-01-08 9:30 ` Maxime Ripard [this message]
2015-01-09 6:38 ` Tyler Baker
2015-01-09 11:59 ` Maxime Coquelin
2015-01-09 14:44 ` Maxime Coquelin
2015-01-09 20:44 ` Tyler Baker
2015-01-10 0:22 ` Tyler Baker
2015-01-12 8:37 ` Philipp Zabel
2015-01-13 8:59 ` Maxime Coquelin
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