Date: Thu, 15 Feb 2001 09:45:44 +0100 (CET) From: =?ISO-8859-1?Q?G=E9rard_Roudier?= <groudier@club-internet.fr> To: Matthew Jacob <mjacob@feral.com> Cc: Sergey Babkin <babkin@bellatlantic.net>, freebsd-hackers@FreeBSD.ORG Subject: Re: UDI environment now released. Message-ID: <Pine.LNX.4.10.10102150859510.605-100000@linux.local> In-Reply-To: <Pine.LNX.4.21.0102141723270.22737-100000@zeppo.feral.com>
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On Wed, 14 Feb 2001, Matthew Jacob wrote: > On Wed, 14 Feb 2001, Sergey Babkin wrote: >=20 > > Matthew Jacob wrote: > > >=20 > > > The problem is that at the time this was a huge issue there were a mu= ch larger > > > number of machines and pieces of h/w and radically different OS's (or= flavors > > > within Unix even) to support. Such a wide set of differences is not r= eally > > > there any more, hence the cost of such support (and the style in whic= h it is > > > being done) makes less sense than it used to. > >=20 > > I'm afraid, it is. How many versions of FreeBSD with incompatible > > driver interfaces are out there ? >=20 > Not too many. Major release rules have been adhered somewhat. Given an O/S, this looks like pragmatism to me rather than rules. Even when going to a new major O/S version, having to heavily rework the entire driver collection prior to a release would be kind of O/S suicide, in my humble opinion. :) > > How many versions of Linux with > > the same sort of incompatibilities ? >=20 > Linux is far worse - the release of the moment.... Worse than what regarding what? A far as the topic is kernel interface changes between major versions (that seem to affect the second digit in Linux versionning), I donnot see your point. Au contraire, most (all?) Linux kernel interface changes I have had to take into account in some drivers seemed to have been designed in order to minimize driver code changes. About the Linux release of the moment.... :) But we must consider the hudge amount of changes between Linux-2.2 and Linux-2.4. I am under the impression that the differences between FreeBSD-4 and FreeBSD-5 kernels will be of a comparable order of magnitude. How better FreeBSD will cope whith such mega release is what we must focus about instead of doing not yet relevant comparisons, IMO. :) > But the primary motivation for a UDI like i/f (which, btw, has a lot *not= * > going for it) in terms of multiplatform support is not the issue it once = was. Ah? My English-to-French parser oopsed here. You may reword it. :-) G=E9rard. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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