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    SubjectRe: Exposing device ids and driver names
    On Thu, Oct 01, 2009 at 02:35:40PM -0400, Nathaniel McCallum wrote:
    > On 10/01/2009 02:05 PM, Greg KH wrote:
    > > On Thu, Oct 01, 2009 at 01:01:50PM -0400, Nathaniel McCallum wrote:
    > >> On 10/01/2009 12:42 PM, Greg KH wrote:
    > >>> Why not just use the baseline kernel as a model for this. Do a 'make
    > >>> allmodconfig' and then extract the data and publish it that way. No
    > >>> kernel changes are needed, and then any distro can be easily matched up
    > >>> by this based on what they are using. That will save you time in
    > >>> downloading zillions of distro releases, and provide a nice easy way to
    > >>> show what the releases support.
    > >>
    > >> Unfortunately, I would not be able to track changes to the kernel in
    > >> this model. Since this is one of my explicit goals (to make sure that
    > >> distro kernel changes get upstream), I think a non-invasive kernel
    > >> modification would be worth the effort.
    > >
    > > But this was an invasive modification, it added space to the kernel
    > > images for no real benifit other than for your tracking tools. That's
    > > not going to fly unless you can find another good use for the change.
    > Which is why I asked for advice for better options. I would prefer a
    > non-invasive modification. I am hoping that someone more familiar with
    > the layer would provide such a suggestion.
    > One potential benefit for moving module info to ELF sections would be
    > the ability to strip kernel modules. As a test, I did this on a recent
    > Fedora rawhide kernel I had lying around. Stripping the modules results
    > in a 43% decrease in size (82M to 47M).

    Did those modules have debugging symbols enabled? That seems like a
    large savings for just the module device tables.

    > But I still would prefer a non-invasive solution.

    Agreed, sorry I don't have an idea on how to do it.


    greg k-h

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