From owner-svn-src-head@FreeBSD.ORG Tue Oct 23 16:38:29 2012 Return-Path: Delivered-To: svn-src-head@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 6C3A5FBC for ; Tue, 23 Oct 2012 16:38:29 +0000 (UTC) (envelope-from andre@freebsd.org) Received: from c00l3r.networx.ch (c00l3r.networx.ch [62.48.2.2]) by mx1.freebsd.org (Postfix) with ESMTP id BFA5B8FC18 for ; Tue, 23 Oct 2012 16:38:27 +0000 (UTC) Received: (qmail 86553 invoked from network); 23 Oct 2012 18:16:26 -0000 Received: from c00l3r.networx.ch (HELO [127.0.0.1]) ([62.48.2.2]) (envelope-sender ) by c00l3r.networx.ch (qmail-ldap-1.03) with SMTP for ; 23 Oct 2012 18:16:26 -0000 Message-ID: <5086C7F8.5070104@freebsd.org> Date: Tue, 23 Oct 2012 18:38:16 +0200 From: Andre Oppermann User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/20121010 Thunderbird/16.0.1 MIME-Version: 1.0 To: Bryan Drewery Subject: Re: svn commit: r241931 - in head/sys: conf kern References: <201210231419.q9NEJjYH082863@svn.freebsd.org> <20121023144211.GX70741@FreeBSD.org> <5086B24C.9000606@freebsd.org> <5086B613.4060804@FreeBSD.org> In-Reply-To: <5086B613.4060804@FreeBSD.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.14 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: Tue, 23 Oct 2012 16:38:29 -0000 On 23.10.2012 17:21, Bryan Drewery wrote: > On 10/23/2012 10:05 AM, Andre Oppermann wrote: >> There shouldn't be any users. Zero copy send is broken and >> responsible for random kernel crashes. Zero copy receive isn't >> supported by any modern driver. Both are useless to dangerous. > > I enabled this a few weeks ago, not knowing it was useless/dangerous. > > Perhaps an entry in UPDATING to note that this has been renamed and that > it may not actually be useful? Good idea. Will do. > Also, zero_copy(9) needs updating, as it references ZERO_COPY_SOCKETS. Already done in r241932. -- Andre