linux-kernel - Re: [GIT PULL v2] bkl tracepoints + filter regex support

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Date:	Sat, 26 Sep 2009 11:47:06 -0400
From:	fche@...hat.com (Frank Ch. Eigler)
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	Tom Zanussi <tzanussi@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Li Zefan <lizf@...fujitsu.com>
Subject: Re: [GIT PULL v2] bkl tracepoints + filter regex support


Hi -


Frederic Weisbecker <fweisbec@...il.com> writes:

>> > That said, the future plans have evolved, and I'm fine if you have
>> > changed your opinion and think about a better way to develop this.

>> No, but the thing is, IF we're going to freeze this into ABI, then
>> there's no second chances.

> Right. Once it becomes an ioctl, it becomes an ABI :-/

Are y'all convinced that a little ascii language parser/interpreter is
the right thing to put into the kernel, as opposed to bytecode (with a
userspace compiler)?

- FChE
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