From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756994AbZHZHLU (ORCPT ); Wed, 26 Aug 2009 03:11:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756950AbZHZHLS (ORCPT ); Wed, 26 Aug 2009 03:11:18 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:54147 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756940AbZHZHLP (ORCPT ); Wed, 26 Aug 2009 03:11:15 -0400 Subject: Re: [PATCH 08/12] add trace events for each syscall entry/exit From: Peter Zijlstra To: Mathieu Desnoyers Cc: Frederic Weisbecker , Hendrik Brueckner , Jason Baron , linux-kernel@vger.kernel.org, mingo@elte.hu, laijs@cn.fujitsu.com, rostedt@goodmis.org, jiayingz@google.com, mbligh@google.com, lizf@cn.fujitsu.com, Heiko Carstens , Martin Schwidefsky , Ingo Molnar , Thomas Gleixner , "hpa@zytor.com" In-Reply-To: <20090825183119.GC2448@Krystal> References: <20090825141547.GE6114@nowhere> <20090825160237.GG4639@cetus.boeblingen.de.ibm.com> <20090825162004.GA25058@Krystal> <20090825165912.GI6114@nowhere> <20090825173107.GJ6114@nowhere> <20090825183119.GC2448@Krystal> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Wed, 26 Aug 2009 09:10:02 +0200 Message-Id: <1251270602.7538.1228.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2009-08-25 at 14:31 -0400, Mathieu Desnoyers wrote: > For instance, some > proprietary Linux driver does very odd things with system calls within > kernel threads, like invoking them with int 0x80. So who is going to send the x86 patch to make int 0x80 from kernel space panic the machine? :-)