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To: Mathieu Desnoyers <compudj@krystal.dyndns.org>
Cc: mingo@elte.hu, akpm@osdl.org, "H. Peter Anvin" <hpa@zytor.com>,
       Jeremy Fitzhardinge <jeremy@goop.org>,
       Steven Rostedt <rostedt@goodmis.org>,
       "Frank Ch. Eigler" <fche@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH] x86 NMI-safe INT3 and Page Fault (v5)
From: Andi Kleen <andi@firstfloor.org>
References: <20080417165839.GA25198@Krystal> <20080417165944.GB25198@Krystal>
	<20080417201410.GB31616@Krystal>
Date: Fri, 18 Apr 2008 00:01:47 +0200
In-Reply-To: <20080417201410.GB31616@Krystal> (Mathieu Desnoyers's message of "Thu, 17 Apr 2008 16:14:10 -0400")
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Mathieu Desnoyers <compudj@krystal.dyndns.org> writes:
>
> It allows placing immediate values (and therefore optimized trace_marks) in NMI
> code

Only if all your trace_mark infrastructure is lock less.

-Andi