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    SubjectRe: [PATCH 3/3 V13] RO/NX protection for loadable kernel
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    On Tue, 30 Nov 2010 04:45:42 am Steven Rostedt wrote:
    > This patch breaks function tracer:
    ...
    > Here we set the text read only before we call the notifiers. The
    > function tracer changes the calls to mcount into nops via a notifier
    > call so this must be done after the module notifiers.

    That seems fine.

    I note that both before and after this patch we potentially execute code
    in the module (via parse_args) before we set it ro & nx. But fixing this
    last bit of coverage is probably not worth the pain...

    Cheers,
    Rusty.


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