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    SubjectRe: Replacement for page fault notifiers?
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    On Wed, 2008-01-09 at 20:26 +0000, Christoph Hellwig wrote:
    > On Wed, Jan 09, 2008 at 03:24:16PM -0500, Pavel Roskin wrote:
    > > I just assumed (wrongly, as it seems) that the API change didn't remove
    > > any useful functionality.
    >
    > No, this was exactly the correct assumption. Out of tree modules simply
    > don't count.
    >
    > > The problem is that mmiotrace only makes sense in combination with
    > > non-free drivers, and I'm not sure it would be welcome in the kernel
    > > even if you say so.
    >
    > It can trace every driver in theory although it's of course not
    > really interesting for free drivers. But it's not actually
    > functionality used by the drivers but functionlity to trace the drivers
    > so it's quite different anyway.

    OK, that's reassuring. Maybe it could be used for profiling or to find
    bugs that are not obvious otherwise.

    --
    Regards,
    Pavel Roskin


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