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DateWed, 9 Jan 2008 08:17:27 +0100
FromChristoph Hellwig <>
SubjectRe: [PATCH] Revert "x86: optimize page faults like all other achitectures and kill notifier cruft"
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.



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