From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932592AbXJQUlq (ORCPT ); Wed, 17 Oct 2007 16:41:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761603AbXJQUl3 (ORCPT ); Wed, 17 Oct 2007 16:41:29 -0400 Received: from smtp2.linux-foundation.org ([207.189.120.14]:44519 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751897AbXJQUl1 (ORCPT ); Wed, 17 Oct 2007 16:41:27 -0400 Date: Wed, 17 Oct 2007 13:41:24 -0700 From: Andrew Morton To: Stephen Hemminger Cc: davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Jason Wessel Subject: Re: [RFC] remove netpoll receive code Message-Id: <20071017134124.00f5633a.akpm@linux-foundation.org> In-Reply-To: <20071017132131.1992bedd@freepuppy.rosehill> References: <20071017132131.1992bedd@freepuppy.rosehill> X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.20; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 17 Oct 2007 13:21:31 -0700 Stephen Hemminger wrote: > The netpoll receive code is: > 1. Not used by any in-tree features, it is used by kgdb-over-ether. > 2. A nice hook for people doing nasty things like private binary network stacks or rootkits. > 3. Unsecured by any of the normal firewalling code. > > Hopefully all distro's are smart enough to turn it off in their default config *nudge, nudge*. > Doubly true for any distribution that claims to be secure or enterprise ready. > > I propose that we take out all the whole netpoll rx path. If/when kgdb gets submitted > a better and alternative receive path can be added. > umm, let's cc the kgdb maintainer.