From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: HVMlite ABI specification DRAFT A Date: Thu, 4 Feb 2016 20:37:56 +0000 Message-ID: <56B3B6A4.9090101@citrix.com> References: <56B38EDE.5090700@citrix.com> <56B39A8A.6090001@oracle.com> <20160204185125.GA3377@var.home> <56B3A4B4.20607@citrix.com> <56B3B1D1.7070705@oracle.com> <20160204202907.GA17624@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aRQfB-0004OH-3x for xen-devel@lists.xenproject.org; Thu, 04 Feb 2016 20:38:01 +0000 In-Reply-To: <20160204202907.GA17624@localhost.localdomain> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Konrad Rzeszutek Wilk , Boris Ostrovsky Cc: Wei Liu , Stefano Stabellini , Tim Deegan , Paul Durrant , David Vrabel , Jan Beulich , xen-devel , Samuel Thibault , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= List-Id: xen-devel@lists.xenproject.org On 04/02/16 20:29, Konrad Rzeszutek Wilk wrote: >>>>> If there is more than one module, how is the guest expected to sort out >>>>> which module is what? >>> In general I was expecting this would be done by position, or if that's >>> not enough an additional module (at either position 0 or n) should be >>> passed to contain that information. >> Then we should specify it somehow --- e.g. that first module is always the >> ramdisk. > Keep in mind that with Linux you can actually append the initrd in the > vmlinuz file - so you only have "one" file. Hence the first module > could be optional. The PV ABI suffers from false assumptions and expectations like this. Lets not repeat the same mistakes for HVMLite. ~Andrew