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

From: David Miller
Date: Wed Jan 09 2008 - 02:22:33 EST


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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