linux-kernel - Re: [PATCH] Provide ways of crashing the kernel through debugfs

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Date:	Fri, 29 Jan 2010 07:13:24 +0100
From:	Simon Kagstrom <simon.kagstrom@...insight.net>
To:	dedekind1@...il.com
Cc:	Américo Wang <xiyou.wangcong@...il.com>,
	linux-kernel@...r.kernel.org,
	David Woodhouse <dwmw2@...radead.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH] Provide ways of crashing the kernel through debugfs

On Thu, 28 Jan 2010 16:38:02 +0200
Artem Bityutskiy <dedekind1@...il.com> wrote:

> On Wed, 2010-01-27 at 10:53 +0800, Américo Wang wrote:
> > > Well, it provides a few more ways of crashing the kernel. That's
> > > basically the only additional feature you'll get.
> > 
> > Yeah, I can see that, but why do I need to care how I crash the kernel
> > as long as I can crash it in a way.
> 
> But Simon did explain in his first e-mail why he cares. You or others
> might care for similar reasons.

Another argument for the patch is that it's simple and well-contained,
it doesn't touch any other code apart from the driver itself.

It is also easy to extend with other tests, e.g., provoking kernel
hangs to test watchdogs and so on.

// Simon
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