linux-kernel - Re: [PATCH] regulator: Fix deadlock during regulator registration

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Message-ID: <20160330161831.GE2350@sirena.org.uk>
Date:	Wed, 30 Mar 2016 09:18:31 -0700
From:	Mark Brown <broonie@...nel.org>
To:	Jon Hunter <jonathanh@...dia.com>
Cc:	Liam Girdwood <lgirdwood@...il.com>,
	Javier Martinez Canillas <javier@....samsung.com>,
	linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH] regulator: Fix deadlock during regulator registration

On Wed, Mar 30, 2016 at 05:09:13PM +0100, Jon Hunter wrote:

>  INFO: task swapper/0:1 blocked for more than 120 seconds.
>  Not tainted 4.6.0-rc1-00001-g5e3ca2b-dirty #290
>  "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>  swapper/0 D c07daeac 0 1 0 0x00000000
>  [<c07daeac>] (__schedule) from [<c07db454>] (schedule+0x50/0xc0)
>  [<c07db454>] (schedule) from [<c07db6b0>] (schedule_preempt_disabled+0x24/0x40)

Please don't paste entire backlogs into changelogs, they're *enormous*,
mostly noise and obscure any actual content that's in there through
denial of service.  If they're useful then include edited subsets that
highlight the relevant sections of the backtrace so your changelog is
more legible.

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