From owner-freebsd-current Sun Mar 18 12:50:39 2001 Delivered-To: freebsd-current@freebsd.org Received: from mass.dis.org (mass.dis.org [216.240.45.41]) by hub.freebsd.org (Postfix) with ESMTP id DD85B37B71D for ; Sun, 18 Mar 2001 12:50:35 -0800 (PST) (envelope-from msmith@mass.dis.org) Received: from mass.dis.org (localhost [127.0.0.1]) by mass.dis.org (8.11.2/8.11.2) with ESMTP id f2IKoNL01012; Sun, 18 Mar 2001 12:50:24 -0800 (PST) (envelope-from msmith@mass.dis.org) Message-Id: <200103182050.f2IKoNL01012@mass.dis.org> X-Mailer: exmh version 2.1.1 10/15/1999 To: Paul Richards Cc: Ian Dowse , "Alexander N. Kabaev" , Paul Richards , Makoto MATSUSHITA , current@FreeBSD.ORG Subject: Re: Fw: Stop annoying message of lnc In-reply-to: Your message of "Sun, 18 Mar 2001 19:25:25 GMT." <3AB50BA5.1A69AD72@freebsd-services.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sun, 18 Mar 2001 12:50:23 -0800 From: Mike Smith Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Ian Dowse wrote: > > > > In message <200103180515.f2I5F9U05398@mass.dis.org>, Mike Smith writes: > > > > > >I don't quite understand Paul's reasoning, though; it's not actually > > >useful to unload/reload parts of a device's bus attachment without > > >unloading/reloading all the downstream parts of the driver. > > What do you mean by the downstream parts of the driver? 1 nexus | 2 PCI bus | 3 PCI interface of driver | 4 driver core It makes limited sense, with this structure, to unload just #3. What you're trying to do is take a specialised development hack and wedge it into the production version of the driver. Don't do that. 8) > We're not there yet, but I can see a time where we would want to > load/unload the probe functions as we do hardware probing and then only > pull in the rest of the driver when we associate that driver to the > device. We've already been down this path. Given the size of our device drivers, it's a very false economy. -- ... every activity meets with opposition, everyone who acts has his rivals and unfortunately opponents also. But not because people want to be opponents, rather because the tasks and relationships force people to take different points of view. [Dr. Fritz Todt] V I C T O R Y N O T V E N G E A N C E To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message