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

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Date:	Sat, 13 Mar 2010 09:49:53 +0100
From:	Marco Stornelli <marco.stornelli@...il.com>
To:	Jamie Lokier <jamie@...reable.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Yuasa Yoichi <yuasa@...ux-mips.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linux Embedded <linux-embedded@...r.kernel.org>
Subject: Re: [PATCH v2] char drivers: Ram oops/panic logger

Il 13/03/2010 00:31, Jamie Lokier ha scritto:
> That'd be fine if the kernel link scripts choose the address, as long
> as it's consistent between different compiles and similar
> configurations.  That'd be a bit simpler than the admin having to know
> the memory map well enough to choose an address.
> 
> -- Jamie
> 

I agree, but the bootloader should be aware of it. I mean, usually
bootloaders at boot, reset the RAM, so you have to tell to the
bootloader that you are using a piece of RAM as persistent RAM, for
example U-Boot has got a specific option CONFIG_PRAM. I don't know if
all the process can be completely transparent to the admin in all
situations.

Marco
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