linux-kernel - Re: [PATCH v5] ramoops: use pstore interface

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Message-Id: <20120409143345.a7a8c257.akpm@linux-foundation.org>
Date:	Mon, 9 Apr 2012 14:33:45 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Kees Cook <keescook@...omium.org>
Cc:	shuahkhan@...il.com, LKML <linux-kernel@...r.kernel.org>,
	Tony Luck <tony.luck@...el.com>,
	Marco Stornelli <marco.stornelli@...il.com>
Subject: Re: [PATCH v5] ramoops: use pstore interface

On Mon, 2 Apr 2012 13:51:29 -0700
Kees Cook <keescook@...omium.org> wrote:

> On Mon, Apr 2, 2012 at 1:39 PM, Shuah Khan <shuahkhan@...il.com> wrote:
> >> First of all ramoops was born mainly for debug purpose and to help the
> >> maintainability of a product. I used it in systems where the uptime (so
> >> no reboot) was important. So it can be very useful for me load the
> >> module, gather logs and unload it for example. A kernel panic is not
> >> recoverable so the reboot is needed but it's not always true for a
> >> kernel oops.
> >>
> >> Marco
> >
> > What is the status of this patch? Don't see it in 3.3 and haven't
> > checked 3.4-rc1 yet.
> 
> Hi,
> 
> I've been hoping it would get into 3.4. It's in the -mm tree, and has
> been living in linux-next for a while. I'm not sure why it hasn't been
> merged into Linus's tree yet. Andrew, is there a reason it hasn't been
> merged?

The patch breaks ramoops module unloading.  Tony says there's "no
credible end-user case" for this and Marco promptly provided one,
which was ignored.

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