Date: Sun, 17 Oct 2004 22:39:37 -0400 From: Garance A Drosihn <drosih@rpi.edu> To: obrien@freebsd.org, Xin LI <delphij@frontfree.net> Cc: freebsd-current@freebsd.org Subject: Re: [PATCH] optimizing X now that we don't support i386 CPU's on 6-CURRENT Message-ID: <p0611043abd98da0149ba@[128.113.24.47]> In-Reply-To: <20041018022017.GA50477@dragon.nuxi.com> References: <20041016174925.GA96809@dragon.nuxi.com> <20041017153856.GA460@frontfree.net> <20041017182716.GB41354@dragon.nuxi.com> <20041017183525.GA1717@frontfree.net> <20041018022017.GA50477@dragon.nuxi.com>
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At 7:20 PM -0700 10/17/04, David O'Brien wrote: > > ---------------------------- > revision 1.296 > date: 2001/01/14 10:11:10; author: jhb; state: Exp; lines: +2 -2 > Remove I386_CPU from GENERIC. Support for the 386 seriously > pessimizes performance on other x86 processors. Custom kernels > can still be built that will run on the 386. > ---------------------------- > >I remember someone tried a few years ago after this commit to get >FreeBSD 5-CURRENT running on an I386 and had to hack some things to >get it work. Since no one has reported success in doing this since >then I'm willing to bet you dinner next time I'm in Bejing that we've >broken running on real I386's w/o realizing it. For what it's worth, I was also under the impression that we were going to recommend that people running a "genuine 80386" chip should probably stick with the 4.x-series of releases. Even if 5.3 works on 80386 right now, I was not sure that it would continue to work for the life of the 5.x series. I don't know where I picked up that idea, but even if we are supporting 80386 for 5.x then I think we should be able to drop it for 6.x. -- Garance Alistair Drosehn = gad@gilead.netel.rpi.edu Senior Systems Programmer or gad@freebsd.org Rensselaer Polytechnic Institute or drosih@rpi.edu
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