On Mon, Mar 06, 2000 at 06:54:55PM +0100, Jamie Lokier wrote:
> I agree it's a good idea to change USB ACM. Probably the USB serial
> driver needs to be changed too.
Ok, I can change it. What function I should call from a bh (or tasklet)
instead of an USB callback (interrupt) context?
> It's nasty that you have to find this in PPP -- the USB ACM driver is
> just a fancy serial driver and shouldn't have to know about PPP to get
> right the undocumented details of which functions can be called in which
> contexts.
>
> I wouldn't be surprised if there are other serial drivers with the same
> bug, but nobody noticed. Or arguably it's a bug in PPP. I'd really
> whoever designed the tty layer to define what each side of the interface
> may assume.
Ask Ted Ts'o ...
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