Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753336Ab3JWQRw (ORCPT ); Wed, 23 Oct 2013 12:17:52 -0400 Received: from nat28.tlf.novell.com ([130.57.49.28]:57749 "EHLO nat28.tlf.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752507Ab3JWQRv convert rfc822-to-8bit (ORCPT ); Wed, 23 Oct 2013 12:17:51 -0400 Message-Id: <526804BC02000078000A56E4@nat28.tlf.novell.com> X-Mailer: Novell GroupWise Internet Agent 12.0.2 Date: Wed, 23 Oct 2013 17:17:48 +0100 From: "Jan Beulich" To: , Cc: , , , , , , , , , , , Subject: Re: [Xen-devel] EFI and multiboot2 devlopment work for Xen References: <5266620602000078000FCA48@nat28.tlf.novell.com> <1382435127.1657.70.camel@hastur.hellion.org.uk> <526668A502000078000FCA7B@nat28.tlf.novell.com> <20131022134252.GA27302@phenom.dumpdata.com> <1382449985.18283.12.camel@hastur.hellion.org.uk> <20131022140947.GA17829@phenom.dumpdata.com> <1382451868.18283.21.camel@hastur.hellion.org.uk> <1382455358.18283.31.camel@hastur.hellion.org.uk> <20131022162632.GB19189@phenom.dumpdata.com> <1382517150.22417.21.camel@hastur.hellion.org.uk> <20131023131348.GA23898@phenom.dumpdata.com> In-Reply-To: <20131023131348.GA23898@phenom.dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1295 Lines: 27 >>> Konrad Rzeszutek Wilk 10/23/13 3:15 PM >>> >On Wed, Oct 23, 2013 at 09:32:30AM +0100, Ian Campbell wrote: >> Am I correct that xen.efi today can be loaded from grub today using the >> chainload command? Whereupon it will parse the xen.cfg and load the dom0 >> kernel and load things from FAT etc and everything just works. IOW >> UEFI -> chainload(Xen) >> and >> UEFI -> chainload(grub) -> chainload(Xen) >> work equivalently from the POV of Xen? > >Yes. However it does require the user to know the magic values in the Xen >configuration file and setup the chainload stanze correctly. That means >if a user wishes to modify some of the bootup options they have to modify >the Xen configuration file. No runtime changes. Not necessarily - there's no reason for it being impossible to specify options in the GrUB entry, nor for option added on the GrUB prompt (or its graphical equivalent) to be passed to the chain loaded binary. If that doesn't already work, it can't be really hard to implement. Jan -- 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/