Messages in this thread | | | Date | Mon, 26 Dec 2005 20:17:47 -0800 | From | Greg KH <> | Subject | Re: [PATCH] USB_BANDWIDTH documentation change |
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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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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