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Date: Wed, 26 Jun 2013 12:05:58 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Vinod Koul <vinod.koul@linux.intel.com>,
        Jassi Brar <jassisinghbrar@gmail.com>,
        Tomasz Figa <t.figa@samsung.com>,
        Kyungmin Park <kyungmin.park@samsung.com>,
        linux-kernel@vger.kernel.org
Subject: Re: [resend PATCH] DMA: PL330: fix locking in
 pl330_free_chan_resources()
Message-Id: <20130626120558.3a05f4a099822c529912a14c@linux-foundation.org>
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On Wed, 26 Jun 2013 15:29:15 +0200 Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> wrote:

> 
> tasklet_kill() may sleep so call it before taking pch->lock.
> 
> Fixes following lockup:
> 
> [  345.470000] BUG: scheduling while atomic: cat/2383/0x00000002

Seems rather unpleasant, so I added a cc:stable to the changelog.