On Mon, 2007-11-05 at 14:49 -0800, Greg KH wrote: > On Mon, Nov 05, 2007 at 11:57:14AM +0100, Peter Zijlstra wrote: > > Hmm, the problem seems to be stuff like: > > > > add usb driver to pci > > scan pci devices > > add usb host controller device > > scan usb devices > > add usb hub device > > scan usb devices > > add usb ..... > > > > This seems to be able to go on forever, as long as one can cascade usb > > hubs. > > USB hubs only work 7 deep, so there is a limit.
Ah, missed that bit of knowledge :-) > > Doesn't seem like an ideal thing to do from a stack space POV either. > > > > Would it be possible to break at the second scan, that is the device > > probe and stick that into a workqueue or something. Then we'd only ever > > have driver->device nesting. > > Alan and Oliver have done some work in this area I think, combined with > the suspend/bind/unbind issues. I'll let them comment on your patch :) Great, so the thing I need to make this work nicely is a limited device->mutex nesting, if these changes result in that we can work together to finish this conversion. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
