Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751948Ab3GXHtg (ORCPT ); Wed, 24 Jul 2013 03:49:36 -0400 Received: from out02.mta.xmission.com ([166.70.13.232]:36573 "EHLO out02.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751443Ab3GXHtf (ORCPT ); Wed, 24 Jul 2013 03:49:35 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: Greg KH Cc: Matt Wilson , "H. Peter Anvin" , xen-devel@lists.xensource.com, Daniel Kiper , linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Brandon Philips References: <20130719131819.GC11233@debian70-amd64.local.net-space.pl> <20130719151243.GA15488@kroah.com> <20130719183235.GA12267@debian70-amd64.local.net-space.pl> <20130719191449.GA1882@kroah.com> <51E9A85D.2060206@zytor.com> <20130722170307.GB14451@debian70-amd64.local.net-space.pl> <87wqoise9d.fsf@xmission.com> <51ED78EE.9020903@zytor.com> <20130722183315.GA29273@kroah.com> <20130724002235.GA15047@u109add4315675089e695.ant.amazon.com> <20130724004058.GA20327@kroah.com> Date: Wed, 24 Jul 2013 00:49:25 -0700 In-Reply-To: <20130724004058.GA20327@kroah.com> (Greg KH's message of "Tue, 23 Jul 2013 17:40:58 -0700") Message-ID: <87ob9so0sa.fsf@xmission.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-XM-AID: U2FsdGVkX19wkFMC0MfmqIVgReK4v0cAyBc32dwg+M8= X-SA-Exim-Connect-IP: 98.207.154.105 X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP * 0.0 T_TM2_M_HEADER_IN_MSG BODY: T_TM2_M_HEADER_IN_MSG * -3.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa02 1397; Body=1 Fuz1=1 Fuz2=1] X-Spam-DCC: XMission; sa02 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: ;Greg KH X-Spam-Relay-Country: Subject: Re: [Xen-devel] is kexec on Xen domU possible? X-Spam-Flag: No X-SA-Exim-Version: 4.2.1 (built Wed, 14 Nov 2012 14:26:46 -0700) X-SA-Exim-Scanned: Yes (on in02.mta.xmission.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1265 Lines: 30 Greg KH writes: > On Tue, Jul 23, 2013 at 05:22:36PM -0700, Matt Wilson wrote: >> On Mon, Jul 22, 2013 at 11:33:15AM -0700, Greg KH wrote: >> > On Mon, Jul 22, 2013 at 11:24:46AM -0700, H. Peter Anvin wrote: >> > > On 07/22/2013 10:20 AM, Eric W. Biederman wrote: >> >> Many Xen-based cloud providers provide a mechanism for users to boot >> the kernels they want. For example you can use PV-GRUB on EC2 >> instances to boot a kernel that is stored within an AMI. >> >> For more info: >> http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/UserProvidedkernels.html > > Yes, that's quite true, but some don't, or they make it difficult to do > so. Using kexec also allows you to "be the bootloader" and decide on > _which_ kernel you want to boot, independant of what cloud provider you > use, something that lots of people want in their quest to not dependant > on any one company. I would be more than happy to review and help get something merged that sorts out kexec on Xen. Eric -- 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/