From: Christoph Hellwig <hch@lst.de>
To: Dave Airlie <airlied@linux.ie>
Cc: Andrew Morton <akpm@linux-foundation.org>,
torvalds@linux-foundation.org, hch@lst.de, ak@suse.de, 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 08:17:27 +0100 [thread overview]
Message-ID: <20080109071727.GA10695@lst.de> (raw)
In-Reply-To: <alpine.DEB.0.82.0801090226240.9570@skynet.skynet.ie>
On Wed, Jan 09, 2008 at 02:34:46AM +0000, Dave Airlie wrote:
>
> [This an initial RFC but I'd like to have this patch in before 2.6.24 goes
> final as it really breaks this useful feature]
>
> mmiotrace the MMIO access tracer used to reverse engineer binary blobs
> used this notifier interface and is planned on being pushed upstream.
>
> Having users able to just use the tracer module without having to rebuild
> their kernel to add in a page fault handler hack means we get a lot
> greater coverage for reverse engineering efforts.
>
> Signed-off-by: David Airlie <airlied@linux.ie>
>
> This reverts commit 74a0b5762713a26496db72eac34fbbed46f20fce.
> Conflicts:
NACK. If you want to do it you'll need a much better reason and an
in-tree user. And if you want to redo it it should be available for
all platforms with a consistant API.
next prev parent reply other threads:[~2008-01-09 7:18 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-09 2:34 [PATCH] Revert "x86: optimize page faults like all other achitectures and kill notifier cruft" 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 [this message]
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
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