From: Paul Mundt <lethal@linux-sh.org>
To: Marco Stornelli <marco.stornelli@gmail.com>
Cc: dwmw2@infradead.org, CeLinux <celinux-dev@tree.celinuxforum.org>,
Linux Embedded <linux-embedded@vger.kernel.org>
Subject: Re: Re: How to store kernel panic/oops
Date: Tue, 29 Dec 2009 16:05:03 +0900 [thread overview]
Message-ID: <20091229070503.GE7638@linux-sh.org> (raw)
In-Reply-To: <4B38F304.4020801@gmail.com>
On Mon, Dec 28, 2009 at 07:03:48PM +0100, Marco Stornelli wrote:
> David Woodhouse wrote:
>
> > Can't it be done with what's in the tree already? Just create an MTD
> > device using phram or something else, then point mtdoops at it
>
> Yes of course, if possible we shouldn't reinvent the wheel but I
> wondered if there was something more specific. To add mtdoops (more or
> less 1k) we have to add mtd subsys (more or less 14k) to the kernel to
> achieve this and it's all overhead.
>
panic/oops information is punted down to a kmsg dumper, which mtdoops
just happens to be one of. If you wanted to do your own platform specific
hack for size constraints you could easily just have your own special
one instead. Take a look at linux/kmsg_dump.h.
prev parent reply other threads:[~2009-12-29 7:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-28 18:03 Re: How to store kernel panic/oops Marco Stornelli
2009-12-29 7:05 ` Paul Mundt [this message]
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