>       I am currently interested in the USB user level drivers because
> I think it may be better to move all Human Input Device USB drivers
> to user land.  The HID "report" descriptors are fairly complex, so

No !

At least keyboard has to remain in kernel, else no sysreq nor sak nor 
scrollback during boot. In addition it adds a lot of brittleness to require a 
demon running in single user mode, etc.

[..]
>       Since HID devices are pretty low bandwidth, I do not think there
> is a performance reason for including them in the kernel, although I

Accurate timestamps ?

> would be more reassured in this feeling if I had some numbers on what kind
> of latency is needed for joysticks and the like in things like fast video
> games.

Please think of things like forcefeedback.

        Regards
                Oliver

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