linux-kernel - Re: [PATCH 1/5] code_domain: New code domain tracking susbsystem

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Message-ID: <20120803194536.GA2974@gmail.com>
Date:	Fri, 3 Aug 2012 21:45:36 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Alessio Igor Bogani <abogani@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Avi Kivity <avi@...hat.com>,
	Chris Metcalf <cmetcalf@...era.com>,
	Christoph Lameter <cl@...ux.com>,
	Geoff Levand <geoff@...radead.org>,
	Gilad Ben Yossef <gilad@...yossef.com>,
	Hakan Akkan <hakanakkan@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>, Kevin Hilman <khilman@...com>,
	Max Krasnyansky <maxk@...lcomm.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephen Hemminger <shemminger@...tta.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Sven-Thorsten Dietrich <thebigcorporation@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 1/5] code_domain: New code domain tracking susbsystem


* Frederic Weisbecker <fweisbec@...il.com> wrote:

> Create a new subsystem that handles the probing on kernel 
> boundaries to keep track of the transitions between code 
> domains with two basic initial domains: user or kernel.

To do a bit more bike shed painting, I'd call it "context 
tracking" - user mode, kernel mode (guest mode, etc.).

The term 'code domain' would bring up blank stares from most 
kernel developers, me thinks.

Thanks,

	Ingo
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