From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758516AbZE2Lsv (ORCPT ); Fri, 29 May 2009 07:48:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758099AbZE2Lso (ORCPT ); Fri, 29 May 2009 07:48:44 -0400 Received: from mx03.syneticon.net ([78.111.66.105]:54414 "EHLO mx03.syneticon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757841AbZE2Lsn (ORCPT ); Fri, 29 May 2009 07:48:43 -0400 Message-ID: <4A1FCBAB.2030100@wpkg.org> Date: Fri, 29 May 2009 13:48:59 +0200 From: Tomasz Chmielewski User-Agent: Thunderbird 2.0.0.21 (X11/20090319) MIME-Version: 1.0 To: LKML CC: gregkh@suse.de, jeremy@goop.org, davem@davemloft.net, jaswinder@kernel.org Subject: Re: Xen is a feature Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Greg KH wrote: > On Thu, May 28, 2009 at 05:45:34PM -0700, Jeremy Fitzhardinge wrote: >> Mozilla and Debian are hosted on Xen systems. > > A tiny data point about these domains. They are hosted by osuosl.org, > which uses xen systems running with the current dom0 patch set. Because > those patches are out-of-tree, they have a hard time updating kernel > versions, and generally lag kernel.org releases by a lot, which is not > always a good thing. > > So getting the dom0 patches into mainline will make their lives much > easier, and more secure. I know at least a couple of mid-sized hosting companies migrating all or part of their infrastructure off Linux/Xen to a proprietary solution, because of this very reason (problems with keeping dom0 kernel up to date, problems with deploying it on new machines etc.). -- Tomasz Chmielewski http://wpkg.org