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Date: Mon, 9 Apr 2012 14:33:45 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Kees Cook <keescook@chromium.org>
Cc: shuahkhan@gmail.com, LKML <linux-kernel@vger.kernel.org>,
        Tony Luck <tony.luck@intel.com>,
        Marco Stornelli <marco.stornelli@gmail.com>
Subject: Re: [PATCH v5] ramoops: use pstore interface
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On Mon, 2 Apr 2012 13:51:29 -0700
Kees Cook <keescook@chromium.org> wrote:

> On Mon, Apr 2, 2012 at 1:39 PM, Shuah Khan <shuahkhan@gmail.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.