Re: Porting umb(4) from OpenBSD

[Taylor R Campbell <campbell+netbsd-tech-net%mumble.net@localhost>]

> Date: Thu, 3 May 2018 04:29:18 +0200
> From: Pierre Pronchery <khorben%defora.org@localhost>
> 
> On 02/05/2018 14:59, Taylor R Campbell wrote:
> > First thing that jumps out at me is that our usb_task is still broken.
> > Ugh!  We need to fix that, but it likely requires a kernel API change,
> > so maybe it's too late for netbsd-8 at this point.
> 
> Is there something I should know? ie any workaround I should apply, or
> unexpected behaviour I should keep in mind?

We don't _have_ usb_wait_task.  There's no workaround.  We need to
rewrite usb_task so it works, but it requires an API change to add
usb_wait_task, and possibly an ABI change to struct usb_task unless we
can shoehorn the necessary state into it.