From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753945Ab2IHKcO (ORCPT ); Sat, 8 Sep 2012 06:32:14 -0400 Received: from mail-wg0-f44.google.com ([74.125.82.44]:45257 "EHLO mail-wg0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753572Ab2IHKcL (ORCPT ); Sat, 8 Sep 2012 06:32:11 -0400 Message-ID: <504B1EA6.8050304@redhat.com> Date: Sat, 08 Sep 2012 12:32:06 +0200 From: Paolo Bonzini User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120717 Thunderbird/14.0 MIME-Version: 1.0 To: Rusty Russell CC: "Michael S. Tsirkin" , fes@google.com, aarcange@redhat.com, riel@redhat.com, kvm@vger.kernel.org, yvugenfi@redhat.com, linux-kernel@vger.kernel.org, mikew@google.com, yinghan@google.com, virtualization@lists.linux-foundation.org Subject: Re: [PATCH] virtio-balloon spec: provide a version of the "silent deflate" feature that works References: <1346917610-14568-1-git-send-email-pbonzini@redhat.com> <20120906084736.GF17656@redhat.com> <50486BB2.7070108@redhat.com> <20120906094442.GA22816@redhat.com> <50487382.8030303@redhat.com> <20120906105301.GC32325@redhat.com> <5048935A.8090308@redhat.com> <87wr06hg0l.fsf@rustcorp.com.au> <20120907054202.GA3452@redhat.com> <87vcfqfia1.fsf@rustcorp.com.au> <20120907104306.GA17211@redhat.com> <87sjatf6iv.fsf@rustcorp.com.au> In-Reply-To: <87sjatf6iv.fsf@rustcorp.com.au> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Il 08/09/2012 07:06, Rusty Russell ha scritto: >> > Do we really know there are no hypervisors implementing it? > As much as can be known. Qemu doesn't, lkvm doesn't. > However, there are cases in which it would be nice to have it. Repurposing the bit to how it has been used so far (as a guest->host communication bit, not host->guest) is a better choice. Paolo