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Subject: Re: [PATCH 1/5] user_hooks: New user hooks subsystem
From: Steven Rostedt <rostedt@goodmis.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Alessio Igor Bogani <abogani@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>, Avi Kivity <avi@redhat.com>,
        Chris Metcalf <cmetcalf@tilera.com>, Christoph Lameter <cl@linux.com>,
        Geoff Levand <geoff@infradead.org>,
        Gilad Ben Yossef <gilad@benyossef.com>,
        Hakan Akkan <hakanakkan@gmail.com>, "H. Peter Anvin" <hpa@zytor.com>,
        Kevin Hilman <khilman@ti.com>, Max Krasnyansky <maxk@qualcomm.com>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        Stephen Hemminger <shemminger@vyatta.com>,
        Sven-Thorsten Dietrich <thebigcorporation@gmail.com>,
        Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 01 Aug 2012 08:43:03 -0400
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On Wed, 2012-08-01 at 14:28 +0200, Frederic Weisbecker wrote:
> On Tue, Jul 31, 2012 at 06:14:22PM +0200, Peter Zijlstra wrote:

> So we probably need to generalize a bit more. Some naming based on
> "code domain"?
> 
> struct code_domain {
> 	int is_tracking;
> 	enum {
> 		in_kernel,
> 		in_user,
> 		in_guest
> 	} state;
> }

Is there a fundamental difference between 'in_user' and 'in_guest'
though?


-- Steve