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    SubjectRe: [PATCH] Revert "x86: optimize page faults like all other achitectures and kill notifier cruft"
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    > You can set a kprobe on the x86 fault handler to do things like
    > mmiotrace.

    That would mean that if the kprobe faults it goes into an endless loop.
    Most of do_page_fault() is not really safe for kprobes.

    -Andi



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