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    SubjectRe: [PATCH] Revert "x86: optimize page faults like all other achitectures and kill notifier cruft"
    From
    From: Christoph Hellwig <hch@lst.de>
    Date: Wed, 9 Jan 2008 08:17:27 +0100

    > 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.

    I majorly NACK this as well, we don't want to bring this thing
    back especially for specialized debugging hacks.

    You can set a kprobe on the x86 fault handler to do things like
    mmiotrace.


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