[Buildroot] efficient usb plug in notification

[Hinko Kocevar]

Christopher Taylor wrote:
> I'm trying to see what my best options are of getting USB plugin
> notifications in user-space in a buildroot/uClibc env.
> 
> Since this is an embedded platform, I'm really concerned about
> efficiency of the mechanisms and I'm not sure how efficient udev +
> dbus + hal is. Does anyone have any thoughts on this and what some
> reasonable alternatives are within the buildroot chain?
> 

There is a mdev applet in busybox - a smaller version of udev. It works 
similar to hotplug. I haven't used it extensively but it is not hard 
to use, plus everything is in the buildroot already;)

See http://wildanm.wordpress.com/2007/08/21/mdev-mini-udev-in-busybox.

HTH,
Hinko

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