Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751880Ab3GSUgf (ORCPT ); Fri, 19 Jul 2013 16:36:35 -0400 Received: from mail-vb0-f49.google.com ([209.85.212.49]:49602 "EHLO mail-vb0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751614Ab3GSUge (ORCPT ); Fri, 19 Jul 2013 16:36:34 -0400 MIME-Version: 1.0 In-Reply-To: <51E989A0.8050103@zytor.com> References: <51E97779.3020103@zytor.com> <51E989A0.8050103@zytor.com> Date: Fri, 19 Jul 2013 22:36:33 +0200 Message-ID: Subject: Re: [QUERY] lguest64 From: richard -rw- weinberger To: "H. Peter Anvin" Cc: Ramkumar Ramachandra , LKML , Rusty Russell Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 917 Lines: 24 On Fri, Jul 19, 2013 at 8:46 PM, H. Peter Anvin wrote: > On 07/19/2013 10:42 AM, Ramkumar Ramachandra wrote: >> H. Peter Anvin wrote: >>> We want to reduce pvops and pvops users, not increase them... >> >> I see. So the future is true virtualization which exposes the >> underlying hardware, like KVM? Why do bare-metal virtualizers like >> Xen employ paravirtualization? Also, where does UML stand? UML is a nice thingy because it is Linux ported to itself, but it has limitations. Mostly it's speed (pagefaults and system calls are really slow) and it supports only x86/x86_64. I use UML on systems where KVM is not available. -- Thanks, //richard -- 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/