From: Andi Kleen <ak@suse.de>
To: David Miller <davem@davemloft.net>
Cc: hch@lst.de, airlied@linux.ie, akpm@linux-foundation.org,
torvalds@linux-foundation.org, pq@iki.fi, jbeulich@novell.com,
mingo@elte.hu, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Revert "x86: optimize page faults like all other achitectures and kill notifier cruft"
Date: Wed, 9 Jan 2008 15:23:34 +0100 [thread overview]
Message-ID: <200801091523.35845.ak@suse.de> (raw)
In-Reply-To: <20080108.232223.211829980.davem@davemloft.net>
> You can set a kprobe on the x86 fault handler to do things like
> mmiotrace.
That would mean that if the kprobe faults it goes into an endless loop.
Most of do_page_fault() is not really safe for kprobes.
-Andi
prev parent reply other threads:[~2008-01-09 14:21 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-09 2:34 Dave Airlie
2008-01-09 2:37 ` Andi Kleen
2008-01-09 3:06 ` Andrew Morton
2008-01-09 3:17 ` Dave Airlie
2008-01-09 3:29 ` Andrew Morton
2008-01-09 3:55 ` Dave Airlie
2008-01-09 7:19 ` Christoph Hellwig
2008-01-09 7:23 ` David Miller
2008-01-09 10:41 ` Ingo Molnar
2008-01-09 16:52 ` Mathieu Desnoyers
2008-01-09 19:07 ` Andi Kleen
2008-01-09 20:01 ` Pekka Paalanen
2008-01-09 20:08 ` Andi Kleen
2008-01-09 4:17 ` Andi Kleen
2008-01-09 9:12 ` Jan Beulich
2008-01-09 15:18 ` Arjan van de Ven
2008-01-09 15:21 ` Andi Kleen
2008-01-09 15:26 ` Ingo Molnar
2008-01-09 7:17 ` Christoph Hellwig
2008-01-09 7:22 ` David Miller
2008-01-09 13:19 ` Jiri Kosina
2008-01-09 13:48 ` David Miller
2008-01-09 14:23 ` Andi Kleen [this message]
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