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

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Message-Id: <1263586731.5007.2.camel@localhost.localdomain>
Date:	Fri, 15 Jan 2010 12:18:51 -0800
From:	Jim Keniston <jkenisto@...ibm.com>
To:	Peter Zijlstra <peterz@...radead.org>
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 Fri, 2010-01-15 at 10:07 +0100, Peter Zijlstra wrote:
> 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.

Point taken.

> 
> 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.
> 

We appreciate your persistence wrt this patch set. :-}

Jim

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