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    SubjectRe: [BUG/PATCH/RFC] Oops while completing async USB via usbdevio
    On Tue, Sep 27, 2005 at 01:04:15AM -0700, Greg KH wrote:
    > First off, thanks for providing a patch for this problem, it is real,
    > and has been known for a while (thanks to your debugging :)
    >
    > On Sun, Sep 25, 2005 at 05:13:30PM +0200, Harald Welte wrote:
    > >
    > > I suggest this (or any other) fix to be applied to both 2.6.14 final and
    > > the stable series. I didn't yet investigate 2.4.x, but I think it is
    > > likely to have the same problem.
    >
    > I agree, but I think we need an EXPORT_SYMBOL_GPL() for your newly
    > exported symbol, otherwise the kernel will not build if you have USB
    > built as a module.

    Hm, it's even messier. With your patch, we get:
    *** Warning: "__send_sig_info" [drivers/usb/core/usbcore.ko] undefined!
    *** Warning: "__put_task_struct" [drivers/usb/core/usbcore.ko] undefined!
    when the USB core is a module.

    I can't pass judgement if we want to export both of these functions to
    modules... Anyone else know?

    thanks,

    greg k-h
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