From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757604AbZCAXzr (ORCPT ); Sun, 1 Mar 2009 18:55:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752063AbZCAXzi (ORCPT ); Sun, 1 Mar 2009 18:55:38 -0500 Received: from one.firstfloor.org ([213.235.205.2]:46071 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751335AbZCAXzi (ORCPT ); Sun, 1 Mar 2009 18:55:38 -0500 Date: Mon, 2 Mar 2009 01:14:12 +0100 From: Andi Kleen To: Jeremy Fitzhardinge Cc: Andi Kleen , Jody Belka , Nick Piggin , Xen-devel , the arch/x86 maintainers , Linux Kernel Mailing List , "H. Peter Anvin" , Andrew Morton Subject: Re: [PATCH] xen: core dom0 support Message-ID: <20090302001412.GL26292@one.firstfloor.org> References: <1235786365-17744-1-git-send-email-jeremy@goop.org> <20090227212812.26d02f34.akpm@linux-foundation.org> <49A8DF28.4050301@goop.org> <200902282309.07576.nickpiggin@yahoo.com.au> <20090228181115.GU2056@pimb.org> <871vti2zsl.fsf@basil.nowhere.org> <49AB1C7D.2040605@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49AB1C7D.2040605@goop.org> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > But that suggests the *only* reason to update kernels is to get new Wait, it was about Dom0. They could still get all the features of the new kernels in a guest DomU. > While a lot of the delta between 2.6.18 has been hardware support > updates, there have been a lot of other useful things: a new CPU > scheduler, tickless operation (which directly important for The old Dom0s always did no idle tick. And I suspect most of the other things don't matter very much in a minimal Dom0. That said I'm not arguing that it shouldn't be merged, but it seems like the "old hardware" argument is not very strong. -Andi -- ak@linux.intel.com -- Speaking for myself only.