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Date: Tue, 24 Feb 2009 20:33:08 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
       Thomas Gleixner <tglx@linutronix.de>,
       Peter Zijlstra <peterz@infradead.org>,
       Frederic Weisbecker <fweisbec@gmail.com>, Theodore Tso <tytso@mit.edu>,
       Arjan van de Ven <arjan@infradead.org>, Pekka Paalanen <pq@iki.fi>,
       Arnaldo Carvalho de Melo <acme@redhat.com>,
       Jason Baron <jbaron@redhat.com>, Martin Bligh <mbligh@google.com>,
       Mathieu Desnoyers <compudj@krystal.dyndns.org>,
       "Frank Ch. Eigler" <fche@redhat.com>,
       KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
       Jens Axboe <jens.axboe@oracle.com>,
       Masami Hiramatsu <mhiramat@redhat.com>,
       Steven Rostedt <srostedt@redhat.com>
Subject: Re: [PATCH 2/4] tracing: add event trace infrastructure
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On Tue, 24 Feb 2009 23:08:56 -0500 (EST) Steven Rostedt <rostedt@goodmis.org> wrote:

> > Gad, what a lot of stuff.
> > 
> > Use strncpy_from_user()?
> > 
> > Use strstrip()?
> > 
> > Why do we care about leading and trailing whitespace - user error!
> 
> This is because i want:
> 
>  cat available_events > set_event
> 
> to work.

:(

Why on earth do we keep on putting all these pretty-printers and
pretty-parsers into the kernel?  I mean, how hard is it for userspace
to read a text file, do some basic substitutions and print it out again?