Date: Tue, 27 May 2008 10:50:20 -0700 From: Julian Elischer <julian@elischer.org> To: Marcel Moolenaar <xcllnt@mac.com> 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: <483C49DC.3080108@elischer.org> In-Reply-To: <5229B4D7-40F0-4D45-93F1-244FA05E0304@mac.com> References: <51989.1211875439@critter.freebsd.dk> <483BC27C.6010102@elischer.org> <5229B4D7-40F0-4D45-93F1-244FA05E0304@mac.com>
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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.
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