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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 <>

Acked-by: Andi Kleen <>

I never liked the original patch.


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