From owner-svn-src-head@FreeBSD.ORG Fri Mar 19 16:28:29 2010 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8D4B3106566B; Fri, 19 Mar 2010 16:28:28 +0000 (UTC) (envelope-from ivoras@gmail.com) Received: from mail-wy0-f182.google.com (mail-wy0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id 9F8528FC19; Fri, 19 Mar 2010 16:28:27 +0000 (UTC) Received: by wyb33 with SMTP id 33so1677657wyb.13 for ; Fri, 19 Mar 2010 09:28:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:from:date:x-google-sender-auth:message-id:subject:to:cc :content-type:content-transfer-encoding; bh=I2nMeCyVkC7Ppm9huySJb09APH45WU9+731yrRmUkHs=; b=h3edhUmDYYGEUPguhQMzcwezVRgV7pzbSwUtmZvTbb0c6Xbmm88G57WiY0dLkwwpDs 0qBOtMkqRIv/NAxSnR+sHLhIX/Wdo8ncRSqSPYtX6hSU0F1Te/KsInfY4rSRf+SQNCdS yUSGsNVPo5obHpejeKTiDRHxSQVY1piVSMjcE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type :content-transfer-encoding; b=FksJFAoZo9OCBV4VMXOIeoxe/kT0nzvT0fffgKs7uyRrJ/z/1OO2z2LywxdHjij3pO HLV1gQJvNYnLr5Dwu/PKvYIjwhKxJ5zrsWDW9ndrtCCV7QLPV+herByX2NnsaVdQKpxO eVcj1xN2t6xG55Ne368JWwD+s5rav554TcaLk= MIME-Version: 1.0 Sender: ivoras@gmail.com Received: by 10.216.186.138 with SMTP id w10mr1079017wem.206.1269016106418; Fri, 19 Mar 2010 09:28:26 -0700 (PDT) In-Reply-To: <20100319162249.GD67820@netch.kiev.ua> References: <7d6fde3d1003182333m336d52fbh987035a21568250d@mail.gmail.com> <9bbcef731003190913k4f3afbd8mb4e767c40433be8e@mail.gmail.com> <20100319162249.GD67820@netch.kiev.ua> From: Ivan Voras Date: Fri, 19 Mar 2010 17:28:06 +0100 X-Google-Sender-Auth: 2f64366b0f4b5b20 Message-ID: <9bbcef731003190928l165c6279p6244f0c97a92600a@mail.gmail.com> To: netch@netch.kiev.ua Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: svn-src-head@freebsd.org, Garrett Cooper , svn-src-all@freebsd.org, src-committers@freebsd.org, Xin LI Subject: Re: I486_CPU and I586_CPU removed from GENERIC kernel [was Re: svn commit: r205307 - head/sys/i386/conf] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Mar 2010 16:28:29 -0000 On 19 March 2010 17:22, Valentin Nechayev wrote: > =C2=A0Fri, Mar 19, 2010 at 17:13:00, ivoras wrote about "Re: I486_CPU and= I586_CPU removed from GENERIC kernel [was Re: svn commit: r205307 - head/s= ys/i386/conf]": > >> SSE in the userland you mean? Regardless, I don't think there is now >> reason for compiling everything as for i386. E.g. why not add at least >> -mtune=3Dgeneric or even also -march=3Di686 to default gcc options? >> >> http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html > > Having userland compiled with i686 will give the same effect as i686-only > kernel: it won't boot on machines which doesn't conform to. If it is > supposed to boot on i486 and higher, no more than -march=3Di486 can be us= ed. Yes, this is how I read the change - the move from "i386" to "i686". I apologize if I got it wrong :) As it was pointed out earlier - small systems users and designers probably have special install procedures because of the nature of the business.