linux-kernel - Re: [RFC] [PATCH 3/7] Execution out of line (XOL)

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Message-ID: <1263546455.4244.348.camel@laptop>
Date:	Fri, 15 Jan 2010 10:07:35 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Jim Keniston <jkenisto@...ibm.com>
Cc:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	utrace-devel <utrace-devel@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Maneesh Soni <maneesh@...ibm.com>,
	Mark Wielaard <mjw@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] [PATCH 3/7] Execution out of line (XOL)

On Thu, 2010-01-14 at 14:43 -0800, Jim Keniston wrote:
> 
> Yeah, there's not a lot of context there.  I hope it will make more
> sense if you read section 1.1 of Documentation/uprobes.txt (patch #6).
> Or look at get_insn_slot() in kprobes, and understand that we're trying
> to do something similar in uprobes, where the instruction copies have to
> reside in the user address space of the probed process.

That's not the point, changelogs shoulnd not be this cryptic. They
should be stand alone and descriptive of what, why and how.

If you can't be bothered writing such for something you want reviewed
for inclusion then I might not be bothered looking at them at all.

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