Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161515AbWHDVrr (ORCPT ); Fri, 4 Aug 2006 17:47:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161513AbWHDVrr (ORCPT ); Fri, 4 Aug 2006 17:47:47 -0400 Received: from [198.99.130.12] ([198.99.130.12]:44449 "EHLO saraswathi.solana.com") by vger.kernel.org with ESMTP id S1161515AbWHDVrq (ORCPT ); Fri, 4 Aug 2006 17:47:46 -0400 Date: Fri, 4 Aug 2006 17:46:43 -0400 From: Jeff Dike To: David Lang Cc: Antonio Vargas , Rusty Russell , Andrew Morton , jeremy@xensource.com, greg@kroah.com, zach@vmware.com, linux-kernel@vger.kernel.org, torvalds@osdl.org, hch@infradead.org, jlo@vmware.com, xen-devel@lists.xensource.com, simon@xensource.com, ian.pratt@xensource.com, jeremy@goop.org Subject: Re: A proposal - binary Message-ID: <20060804214643.GA6407@ccure.user-mode-linux.org> References: <44D2B678.6060400@xensource.com> <20060803211850.3a01d0cc.akpm@osdl.org> <1154667875.11382.37.camel@localhost.localdomain> <20060803225357.e9ab5de1.akpm@osdl.org> <1154675100.11382.47.camel@localhost.localdomain> <69304d110608041146t44077033j9a10ae6aee19a16d@mail.gmail.com> <20060804194549.GA5897@ccure.user-mode-linux.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 942 Lines: 23 On Fri, Aug 04, 2006 at 12:49:13PM -0700, David Lang wrote: > >Why might you have to do that? > > take this with a grain of salt, I'm not saying the particular versions I'm > listing would require this > > if your new guest kernel wants to use some new feature (SKAS3, time > virtualization, etc) but the older host kernel didn't support some system > call nessasary to implement it, you may need to upgrade the host kernel to > one that provides the new features. OK, yeah. Just making sure you weren't thinking that the UML and host versions were tied together (although a modern distro won't boot on a 2.6 UML on a 2.4 host because UML's TLS needs TLS support on the host...). Jeff - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/