Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761001Ab3GSSUF (ORCPT ); Fri, 19 Jul 2013 14:20:05 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:39463 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752815Ab3GSSUD (ORCPT ); Fri, 19 Jul 2013 14:20:03 -0400 Date: Fri, 19 Jul 2013 20:19:46 +0200 From: Daniel Kiper To: Brandon Philips Cc: Greg KH , Konrad Rzeszutek Wilk , Eric Biederman , linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com, virtualization@lists.linux-foundation.org Subject: Re: is kexec on Xen domU possible? Message-ID: <20130719181946.GG11233@debian70-amd64.local.net-space.pl> References: <20130719020603.GA22932@kroah.com> <20130719131819.GC11233@debian70-amd64.local.net-space.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: acsinet22.oracle.com [141.146.126.238] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1411 Lines: 33 On Fri, Jul 19, 2013 at 07:58:40AM -0700, Brandon Philips wrote: > On Fri, Jul 19, 2013 at 6:18 AM, Daniel Kiper wrote: > > - PV guests: there is no support for kexec at this time; > > Once I wrote an implementatation for that type of guests > > for one company but according to our agreement I could not > > publish this code; However, I could use it as a base for > > publicly available kexec implementation; Currently, I do > > not have any plans to work on this due to some more important > > stuff to do; However, question about kexec support for PV > > guests is raised from time to time and maybe this issue > > will be much more important than others once, > > To do kexec on PV guests is there a dependency on support from the dom0? No. > e.g. if we recreated your patches and merged them into 3.12 and booted > on a XenServer from a few years ago would it work? No. > What I want to do is use kexec on existing public cloud providers, > that use Xen, like AWS or Rackspace. Look for HVM or PVonHVM guests support in this providers. Sadly, there is no support for kexec on PV guests. Daniel -- 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/