From owner-svn-src-all@FreeBSD.ORG Tue Oct 23 15:21:49 2012 Return-Path: Delivered-To: svn-src-all@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id A3AC334B for ; Tue, 23 Oct 2012 15:21:49 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from freefall.freebsd.org (freefall.FreeBSD.org [8.8.178.135]) by mx1.freebsd.org (Postfix) with ESMTP id 810EF8FC17 for ; Tue, 23 Oct 2012 15:21:49 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id q9NFLniG098551 for ; Tue, 23 Oct 2012 15:21:49 GMT (envelope-from bdrewery@freefall.freebsd.org) Received: (from bdrewery@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id q9NFLnYY098547 for svn-src-all@FreeBSD.org; Tue, 23 Oct 2012 15:21:49 GMT (envelope-from bdrewery) Received: (qmail 26215 invoked from network); 23 Oct 2012 10:21:47 -0500 Received: from unknown (HELO ?192.168.0.74?) (freebsd@shatow.net@74.94.87.209) by sweb.xzibition.com with ESMTPA; 23 Oct 2012 10:21:47 -0500 Message-ID: <5086B613.4060804@FreeBSD.org> Date: Tue, 23 Oct 2012 10:21:55 -0500 From: Bryan Drewery Organization: FreeBSD User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/20121010 Thunderbird/16.0.1 MIME-Version: 1.0 To: Andre Oppermann Subject: Re: svn commit: r241931 - in head/sys: conf kern References: <201210231419.q9NEJjYH082863@svn.freebsd.org> <20121023144211.GX70741@FreeBSD.org> <5086B24C.9000606@freebsd.org> In-Reply-To: <5086B24C.9000606@freebsd.org> X-Enigmail-Version: 1.4.5 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.14 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: Tue, 23 Oct 2012 15:21:49 -0000 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? Also, zero_copy(9) needs updating, as it references ZERO_COPY_SOCKETS. -- Regards, Bryan Drewery bdrewery@freenode/EFNet