From: Chris Ball <cjb@laptop.org>
To: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Tetsuyuki Kobayashi <koba@kmckk.co.jp>,
yusuke.goda.sx@renesas.com,
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
Paul Mundt <lethal@linux-sh.org>, Magnus <magnus.damm@gmail.com>,
linux-sh@vger.kernel.org,
Kuninori Morimoto <kuninori.morimoto.gx@gmail.com>,
linux-mmc@vger.kernel.org
Subject: Re: [PATCH] mmc: sh-mmcif: avoid Oops on spurious interrupts
Date: Wed, 19 Sep 2012 02:24:10 -0400 [thread overview]
Message-ID: <m3boh2il85.fsf@pullcord.laptop.org> (raw)
In-Reply-To: <Pine.LNX.4.64.1208220840400.26767@axis700.grange> (Guennadi Liakhovetski's message of "Wed, 22 Aug 2012 08:49:47 +0200 (CEST)")
Hi,
On Wed, Aug 22 2012, Guennadi Liakhovetski wrote:
> On some systems, e.g., kzm9g, MMCIF interfaces can produce spurious
> interrupts without any active request. To prevent the Oops, that results
> in such cases, don't dereference the mmc request pointer until we make
> sure, that we are indeed processing such a request.
>
> Reported-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Thanks, pushed to mmc-next for 3.7.
- Chris.
--
Chris Ball <cjb@laptop.org> <http://printf.net/>
One Laptop Per Child
WARNING: multiple messages have this Message-ID (diff)
From: Chris Ball <cjb@laptop.org>
To: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Tetsuyuki Kobayashi <koba@kmckk.co.jp>,
yusuke.goda.sx@renesas.com,
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
Paul Mundt <lethal@linux-sh.org>, Magnus <magnus.damm@gmail.com>,
linux-sh@vger.kernel.org,
Kuninori Morimoto <kuninori.morimoto.gx@gmail.com>,
linux-mmc@vger.kernel.org
Subject: Re: [PATCH] mmc: sh-mmcif: avoid Oops on spurious interrupts
Date: Wed, 19 Sep 2012 06:24:10 +0000 [thread overview]
Message-ID: <m3boh2il85.fsf@pullcord.laptop.org> (raw)
In-Reply-To: <Pine.LNX.4.64.1208220840400.26767@axis700.grange> (Guennadi Liakhovetski's message of "Wed, 22 Aug 2012 08:49:47 +0200 (CEST)")
Hi,
On Wed, Aug 22 2012, Guennadi Liakhovetski wrote:
> On some systems, e.g., kzm9g, MMCIF interfaces can produce spurious
> interrupts without any active request. To prevent the Oops, that results
> in such cases, don't dereference the mmc request pointer until we make
> sure, that we are indeed processing such a request.
>
> Reported-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Thanks, pushed to mmc-next for 3.7.
- Chris.
--
Chris Ball <cjb@laptop.org> <http://printf.net/>
One Laptop Per Child
next prev parent reply other threads:[~2012-09-19 6:23 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-02 9:50 irqdomain breaks ap4 boot kuninori.morimoto.gx
2012-08-03 5:00 ` Paul Mundt
2012-08-09 4:28 ` Paul Mundt
2012-08-09 4:53 ` Kuninori Morimoto
2012-08-10 6:10 ` Kuninori Morimoto
2012-08-10 12:38 ` Paul Mundt
2012-08-17 5:54 ` kzm9g boot fail (was Re: irqdomain breaks ap4 boot) Tetsuyuki Kobayashi
2012-08-20 1:14 ` Kuninori Morimoto
2012-08-20 3:13 ` Paul Mundt
2012-08-20 4:19 ` Kuninori Morimoto
2012-08-20 4:19 ` Tetsuyuki Kobayashi
2012-08-20 4:38 ` Paul Mundt
2012-08-20 4:45 ` Kuninori Morimoto
2012-08-20 5:24 ` Paul Mundt
2012-08-20 5:33 ` Tetsuyuki Kobayashi
2012-08-20 6:13 ` Kuninori Morimoto
2012-08-20 6:24 ` Kuninori Morimoto
2012-08-20 6:30 ` Paul Mundt
2012-08-20 6:32 ` Tetsuyuki Kobayashi
2012-08-22 6:49 ` [PATCH] mmc: sh-mmcif: avoid Oops on spurious interrupts Guennadi Liakhovetski
2012-08-22 6:49 ` Guennadi Liakhovetski
2012-08-22 12:16 ` Tetsuyuki Kobayashi
2012-08-22 12:16 ` Tetsuyuki Kobayashi
2012-08-23 7:11 ` Guennadi Liakhovetski
2012-08-23 7:11 ` Guennadi Liakhovetski
2012-09-04 7:40 ` Tetsuyuki Kobayashi
2012-09-04 7:40 ` Tetsuyuki Kobayashi
2012-08-31 3:05 ` Tetsuyuki Kobayashi
2012-08-31 3:05 ` Tetsuyuki Kobayashi
2012-09-18 6:13 ` Tetsuyuki Kobayashi
2012-09-18 6:13 ` Tetsuyuki Kobayashi
2012-09-18 6:42 ` Guennadi Liakhovetski
2012-09-18 6:42 ` Guennadi Liakhovetski
2012-09-18 8:02 ` Tetsuyuki Kobayashi
2012-09-18 8:02 ` Tetsuyuki Kobayashi
2012-09-18 8:44 ` Tetsuyuki Kobayashi
2012-09-18 8:44 ` Tetsuyuki Kobayashi
2012-09-18 8:56 ` Guennadi Liakhovetski
2012-09-18 8:56 ` Guennadi Liakhovetski
2012-09-19 2:50 ` Tetsuyuki Kobayashi
2012-09-19 2:50 ` Tetsuyuki Kobayashi
2012-09-26 1:47 ` Tetsuyuki Kobayashi
2012-09-26 1:47 ` Tetsuyuki Kobayashi
2012-09-26 10:04 ` Chris Ball
2012-09-26 10:04 ` Chris Ball
2012-09-19 6:24 ` Chris Ball [this message]
2012-09-19 6:24 ` Chris Ball
2012-09-21 2:35 ` Tetsuyuki Kobayashi
2012-09-21 2:35 ` Tetsuyuki Kobayashi
2012-08-20 7:18 ` kzm9g boot fail (was Re: irqdomain breaks ap4 boot) Magnus Damm
2012-08-20 7:40 ` Paul Mundt
2012-08-20 7:41 ` Kuninori Morimoto
2012-08-20 7:54 ` Paul Mundt
2012-08-20 8:12 ` Kuninori Morimoto
2012-08-20 8:35 ` Kuninori Morimoto
2012-08-21 2:31 ` Kuninori Morimoto
2012-08-21 4:22 ` Tetsuyuki Kobayashi
2012-08-31 6:55 ` irqdomain breaks ap4 boot Tetsuyuki Kobayashi
2012-08-31 7:17 ` Simon Horman
2012-08-31 10:36 ` Paul Mundt
2012-09-18 2:15 ` Tetsuyuki Kobayashi
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