Re: HEAD UP: non-MPSAFE network drivers to be disabled

From: Marcel Moolenaar <xcllnt_at_mac.com>
Date: Tue, 27 May 2008 14:04:25 -0700
On May 27, 2008, at 1:49 PM, Julian Elischer wrote:

> Marcel Moolenaar wrote:
>> On May 27, 2008, at 10:50 AM, Julian Elischer wrote:
>>> Marcel Moolenaar wrote:
>>>> On May 27, 2008, at 1:12 AM, Julian Elischer wrote:
>>>>> judging by the bug reports when things get broken there are  
>>>>> still a
>>>>> lot of people connected to the internet via dial up lines in  
>>>>> places
>>>>> off the beaten track, and still a lot of people who when  
>>>>> travelling
>>>>> do use dialup still. Some of these also use mpd. I can not say  
>>>>> how many plan to keep using this in the future but it may be  
>>>>> that the simplest answer is a completely separate sio driver that
>>>>> just has netgraph hooks. I haven't talked with Ed yet but there
>>>>> may be may ways to solve this problem.
>>>> Take a look at uart(4). It has been designed to allow different
>>>> kernel interfaces. It currently supports TTYs and keyboards. It
>>>> should not be too hard to have it hook into netgraph.
>>>> FYI,
>>>
>>>
>>> While this is a good idea on it's own, the difference between
>>> what that achieves and what a line discipline achieves is that
>>> a line disciplin is hardware independent and can even be used
>>> on a virtual device.
>> True, but you said:
>> "... the simplest answer is a completely separate sio driver...".
>> This, besides not being true, is just as hardware dependent as
>> uart(4) is. It seems to me that you've conveniently changed the
>> subject to match your point of view :-)
>
>
> yep :-)
>
> we need to decide if the aim is to support just serial
> ports or any 'tty'.


Agreed. ucom(4) is in scope...

-- 
Marcel Moolenaar
xcllnt_at_mac.com
Received on Tue May 27 2008 - 19:04:28 UTC

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