linux-kernel - Re: [PATCH v2] char drivers: Ram oops/panic logger

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Message-ID: <2ea1731b1003100002w104633ffy1ae46ef3d245e5b5@mail.gmail.com>
Date:	Wed, 10 Mar 2010 09:02:06 +0100
From:	Marco Stornelli <marco.stornelli@...il.com>
To:	Yuasa Yoichi <yuasa@...ux-mips.org>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linux Embedded <linux-embedded@...r.kernel.org>
Subject: Re: [PATCH v2] char drivers: Ram oops/panic logger

2010/3/10 Yuasa Yoichi <yuasa@...ux-mips.org>:
> Hi,
>
> 2010/3/10 Marco Stornelli <marco.stornelli@...il.com>:
>> Ramoops, like mtdoops, can log oops/panic information but in RAM.
>
> What is different from mtdoops + mtd-ram?
>
> Yoichi
>

It can be used in a very easy way with persistent RAM for systems
without flash support. For this systems, with this driver, it's no
more needed add to the kernel the mtd subsystem with advantage in
footprint as I said in the description. In addition, you can save
flash space and store this information only in RAM. I think it's very
useful for embedded systems.

Marco
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