Re: [PATCH] Revert "x86: optimize page faults like all otherachitectures and kill notifier cruft"

[David Miller]

From: Christoph Hellwig <hch@xxxxxx>
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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