On Mon, Dec 26, 2005 at 05:35:29PM -0500, Alan Stern wrote:
> On Mon, 26 Dec 2005, Bodo Eggert wrote:
> 
> > On Mon, 26 Dec 2005, Lee Revell wrote:
> > > On Mon, 2005-12-26 at 11:25 +0100, Bodo Eggert wrote:
> > 
> > > > Document the current status of CONFIG_USB_BANDWITH implementation.
> > > 
> > > Since most systems use uhci-hcd and/or ehci-hcd maybe we should just
> > > mark it BROKEN?  Or EXPERIMENTAL?
> > 
> > It is EXPERIMENTAL, but the current documentation sounds like "YOU REALLY
> > WANT THIS !!!1", and I /guess/ that would be true for ohci-hcd users.
> 
> CONFIG_USB_BANDWIDTH isn't _really_ needed.  What it does (or rather, what 
> it would do if it worked properly) is prevent the kernel from 
> overcommitting on USB bandwidth.

I just saw (but can't find again, sorry) a gentoo bug of an external usb
driver on x86-64 that oopses _unless_ this config option is set.  So for
some people it is necessary and not broken.

thanks,

greg k-h


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