Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753444Ab0D0AtS (ORCPT ); Mon, 26 Apr 2010 20:49:18 -0400 Received: from claw.goop.org ([74.207.240.146]:43006 "EHLO claw.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751599Ab0D0AtQ (ORCPT ); Mon, 26 Apr 2010 20:49:16 -0400 Message-ID: <4BD6348A.5010602@goop.org> Date: Mon, 26 Apr 2010 17:49:14 -0700 From: Jeremy Fitzhardinge User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.0.4-1.fc12 Lightning/1.0b2pre Thunderbird/3.0.4 MIME-Version: 1.0 To: Avi Kivity CC: Dan Magenheimer , linux-kernel@vger.kernel.org, linux-mm@kvack.org, hugh.dickins@tiscali.co.uk, ngupta@vflare.org, JBeulich@novell.com, chris.mason@oracle.com, kurt.hackel@oracle.com, dave.mccracken@oracle.com, npiggin@suse.de, akpm@linux-foundation.org, riel@redhat.com Subject: Re: Frontswap [PATCH 0/4] (was Transcendent Memory): overview References: <20100422134249.GA2963@ca-server1.us.oracle.com> <4BD06B31.9050306@redhat.com> <53c81c97-b30f-4081-91a1-7cef1879c6fa@default> <4BD07594.9080905@redhat.com> <4BD16D09.2030803@redhat.com> <4BD1A74A.2050003@redhat.com> <4830bd20-77b7-46c8-994b-8b4fa9a79d27@default> <4BD1B427.9010905@redhat.com> <4BD43182.1040508@redhat.com> In-Reply-To: <4BD43182.1040508@redhat.com> X-Enigmail-Version: 1.0.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 520 Lines: 13 On 04/25/2010 05:11 AM, Avi Kivity wrote: > No need to change the kernel at all; the hypervisor controls the page > tables. Not in Xen PV guests (the hypervisor vets guest updates, but it can't safely make its own changes to the pagetables). (Its kind of annoying.) J -- 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/