From owner-svn-src-all@freebsd.org Wed Feb 1 17:06:41 2017 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id BABB2CCBC15; Wed, 1 Feb 2017 17:06:41 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from zxy.spb.ru (zxy.spb.ru [195.70.199.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 79C751B3B; Wed, 1 Feb 2017 17:06:41 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from slw by zxy.spb.ru with local (Exim 4.86 (FreeBSD)) (envelope-from ) id 1cYyMh-000Amd-Ad; Wed, 01 Feb 2017 20:06:39 +0300 Date: Wed, 1 Feb 2017 20:06:39 +0300 From: Slawa Olhovchenkov To: John Baldwin Cc: Warner Losh , "svn-src-head@freebsd.org" , "svn-src-all@freebsd.org" , src-committers , Takahashi Yoshihiro Subject: Re: svn commit: r312910 - in head: . etc/etc.pc98 etc/rc.d lib/libsysdecode libexec release release/doc release/doc/en_US.ISO8859-1/hardware release/doc/en_US.ISO8859-1/readme release/doc/share/example... Message-ID: <20170201170639.GY37974@zxy.spb.ru> References: <201701280222.v0S2MFSR022477@repo.freebsd.org> <3458844.3oruRKbrzH@ralph.baldwin.cx> <20170201103555.GA79121@zxy.spb.ru> <12386326.7GSpFTXsMZ@ralph.baldwin.cx> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <12386326.7GSpFTXsMZ@ralph.baldwin.cx> User-Agent: Mutt/1.5.24 (2015-08-30) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: slw@zxy.spb.ru X-SA-Exim-Scanned: No (on zxy.spb.ru); SAEximRunCond expanded to false X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Feb 2017 17:06:41 -0000 On Wed, Feb 01, 2017 at 08:59:40AM -0800, John Baldwin wrote: > On Wednesday, February 01, 2017 01:35:56 PM Slawa Olhovchenkov wrote: > > On Tue, Jan 31, 2017 at 02:46:23PM -0800, John Baldwin wrote: > > > > > On Tuesday, January 31, 2017 03:33:55 PM Warner Losh wrote: > > > > On Tue, Jan 31, 2017 at 3:20 PM, John Baldwin wrote: > > > > > On Saturday, January 28, 2017 02:22:15 AM Takahashi Yoshihiro wrote: > > > > >> Author: nyan > > > > >> Date: Sat Jan 28 02:22:15 2017 > > > > >> New Revision: 312910 > > > > >> URL: https://svnweb.freebsd.org/changeset/base/312910 > > > > >> > > > > >> Log: > > > > >> Remove pc98 support completely. > > > > >> I thank all developers and contributors for pc98. > > > > >> > > > > >> Relnotes: yes > > > > > > > > > > BTW, my impression was that there are some other device drivers > > > > > that are effectively PC-98 only (e.g. everything that uses scsi_low.c) > > > > > but they might have pccard attachments for use with PC-98 laptops? > > > > > > > > > > Perhaps Warner might know? > > > > > > > > > > It seems stg(4) had PCI variants, but nsp(4), ncv(4), and stg(4) > > > > > all came from NetBSD/pc98 via PAO. > > > > > > > > These all work correctly on any PC Card machine. The only reason they > > > > came in this way was because these devices were original marketed only > > > > in Japan. I've used all these cards with external SCSI drives in the > > > > past. > > > > > > > > As far as I know, only the if_snc driver, which was removed, is truly > > > > pc98 specific. It is wired in such a way that cannot be used in ibm-at > > > > compatible laptops. IIRC, it had hard-wired memory decode lines that > > > > landed in the middle of the VGA graphics pages or BIOS low memory > > > > areas. I have one of these cards still, and it will be detected on my > > > > laptops, but can't work due to the required mappings. > > > > > > > > Now, there's an different question about whether it is time to retire > > > > some of the now-ancient SCSI cards from the system, but that's a > > > > different kettle of fish that's larger than just nsp, ncv and stg. > > > > > > Fair enough. I haven't fully put away my 12 axe and am toying with > > > dropping any ISA-only storage and NIC drivers (and perhaps pccard-only > > > as well in that case). Hardware that wants to use ISA/pccard for > > > storage is probably happier running 4.x anyway. One question is if we > > > should drop ISA attachments in that case for drivers that support PCI > > > and ISA. However, there's a fair list of ISA-only adapters that would > > > be a good place to start anyway. One concern is to not drop any drivers > > > > ps/2 keyboard, mouse, touchpads, lm sensors, etc?... > > Those aren't storage or NICs. There are many "legacy" device still present > in modern systems that we obviously have to support. However, if you have > an ISA Adapter SCSI HBA in an ISA slot, the machine running that is probably > happier running 4.x than 12.0. My be I am missread, I think removed ISA bus and all devices attached to ISA bus.