linux-kernel - Re: [PATCH 08/12] add trace events for each syscall entry/exit

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Message-Id: <1251270602.7538.1228.camel@twins>
Date:	Wed, 26 Aug 2009 09:10:02 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>,
	Jason Baron <jbaron@...hat.com>, linux-kernel@...r.kernel.org,
	mingo@...e.hu, laijs@...fujitsu.com, rostedt@...dmis.org,
	jiayingz@...gle.com, mbligh@...gle.com, lizf@...fujitsu.com,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	"hpa@...or.com" <hpa@...or.com>
Subject: Re: [PATCH 08/12] add trace events for each syscall entry/exit

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? :-)
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