From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751159AbWCVJ3a (ORCPT ); Wed, 22 Mar 2006 04:29:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751161AbWCVJ3a (ORCPT ); Wed, 22 Mar 2006 04:29:30 -0500 Received: from mta2.cl.cam.ac.uk ([128.232.0.14]:1484 "EHLO mta2.cl.cam.ac.uk") by vger.kernel.org with ESMTP id S1751159AbWCVJ33 (ORCPT ); Wed, 22 Mar 2006 04:29:29 -0500 In-Reply-To: <1143016996.2955.24.camel@laptopd505.fenrus.org> References: <20060322063040.960068000@sorel.sous-sol.org> <20060322063804.956561000@sorel.sous-sol.org> <1143016996.2955.24.camel@laptopd505.fenrus.org> Mime-Version: 1.0 (Apple Message framework v623) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: Content-Transfer-Encoding: 7bit Cc: virtualization@lists.osdl.org, Ian Pratt , xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org, Chris Wright From: Keir Fraser Subject: Re: [RFC PATCH 29/35] Add the Xen virtual console driver. Date: Wed, 22 Mar 2006 09:29:48 +0000 To: Arjan van de Ven X-Mailer: Apple Mail (2.623) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 22 Mar 2006, at 08:43, Arjan van de Ven wrote: >> This provides a bootstrap and ongoing emergency console which is >> intended to be available from very early during boot and at all times >> thereafter, in contrast with alternatives such as UDP-based syslogd, >> or logging in via ssh. The protocol is based on a simple shared-memory >> ring buffer. > > there already exist early consoles. Please just use that infrastructure > instead. By 'early console' I don't mean it's an alternative to the early_printk infrastructure. It's simply an easy way to characters out of the guest when other alternatives (such as using the virtual network device) are unusable. -- Keir