Re: uhso(4) locking issues

To: Iain Hibbert <plunky%ogmig.net@localhost>
Subject: Re: uhso(4) locking issues
From: David Holland <dholland-current%netbsd.org@localhost>
Date: Mon, 21 Jul 2014 07:49:13 +0000

On Sat, Jul 19, 2014 at 06:11:42PM +0100, Iain Hibbert wrote:
 > Nope, because the uhso driver does not do any locking directly..  there is
 > USB locking and TTY locking which must interact and I am not sure what
 > work has been done to make drivers MPSAFE in general.

The tty code isn't (and is a big mess) ... but what do other drivers
that are ttys do? There are a lot of them, so there must be something
different about uhso...

-- 
David A. Holland
dholland%netbsd.org@localhost

References:
- uhso(4) locking issues
  - From: Kamil Rytarowski
- Re: uhso(4) locking issues
  - From: Iain Hibbert

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