linux-kernel - Re: [PATCH 08/11] ramoops: Move to fs/pstore/ram.c

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Message-ID: <CAGXu5jK961tGg01fHupR2kmCYvx1LGkPqT+uPZoC6g74ath_Mw@mail.gmail.com>
Date:	Mon, 14 May 2012 14:34:18 -0700
From:	Kees Cook <keescook@...omium.org>
To:	Anton Vorontsov <anton.vorontsov@...aro.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Colin Cross <ccross@...roid.com>,
	Arnd Bergmann <arnd@...db.de>,
	John Stultz <john.stultz@...aro.org>, arve@...roid.com,
	Rebecca Schultz Zavin <rebecca@...roid.com>,
	Jesper Juhl <jj@...osbits.net>,
	Randy Dunlap <rdunlap@...otime.net>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Thomas Meyer <thomas@...3r.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Marco Stornelli <marco.stornelli@...il.com>,
	WANG Cong <xiyou.wangcong@...il.com>,
	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
	linaro-kernel@...ts.linaro.org, patches@...aro.org,
	kernel-team@...roid.com
Subject: Re: [PATCH 08/11] ramoops: Move to fs/pstore/ram.c

On Fri, May 11, 2012 at 5:18 PM, Anton Vorontsov
<anton.vorontsov@...aro.org> wrote:
> Since ramoops was converted to pstore, it has nothing to do with character
> devices nowadays. Instead, today it is just a RAM backend for pstore.
>
> The patch just moves things around. There are a few changes were needed
> because of the move:
>
> 1. Kconfig and Makefiles fixups, of course.
>
> 2. In pstore/ram.c we have to play a bit with MODULE_PARAM_PREFIX, this
>   is needed to keep user experience the same as with ramoops driver
>   (i.e. so that ramoops.foo kernel command line arguments would still
>   work).
>
> Signed-off-by: Anton Vorontsov <anton.vorontsov@...aro.org>

This consolidation seems good. I might prefer the move separated from
the changes, just to make review easier, but I have no idea what
that'll do to a bisect. :P

> --- /dev/null
> +++ b/fs/pstore/ram.c

"ram.ko" seems like an awfully generic modbule name. Should this be
called pstore_ram.* instead, like was done for the header file?

And unless anyone objects, I have no problem letting the built-in name
change too.

> --- /dev/null
> +++ b/include/linux/pstore_ram.h
> @@ -0,0 +1,17 @@
> +#ifndef __RAMOOPS_H
> +#define __RAMOOPS_H

This define should probably change just to avoid confusion.

-Kees

-- 
Kees Cook
Chrome OS Security
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