Date: Tue, 27 May 2008 14:04:25 -0700 From: Marcel Moolenaar <xcllnt@mac.com> To: Julian Elischer <julian@elischer.org> Cc: Ed Schouten <ed@80386.nl>, current@FreeBSD.org, arch@FreeBSD.org, Poul-Henning Kamp <phk@phk.freebsd.dk>, Robert Watson <rwatson@FreeBSD.org>, Ade Lovett <ade@FreeBSD.org>, net@FreeBSD.org, "Bruce M. Simpson" <bms@FreeBSD.org> Subject: Re: HEAD UP: non-MPSAFE network drivers to be disabled Message-ID: <32DC950C-7FE6-41D5-8935-60E7A1356EFA@mac.com> In-Reply-To: <483C73D0.8060709@elischer.org> References: <51989.1211875439@critter.freebsd.dk> <483BC27C.6010102@elischer.org> <5229B4D7-40F0-4D45-93F1-244FA05E0304@mac.com> <483C49DC.3080108@elischer.org> <260F636A-8F72-411B-AED9-B029E1964003@mac.com> <483C73D0.8060709@elischer.org>
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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@mac.com
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