From patchwork Tue Jan 26 14:34:34 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avi Kivity X-Patchwork-Id: 75180 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.2) with ESMTP id o0QEYd5g005666 for ; Tue, 26 Jan 2010 14:34:39 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754473Ab0AZOeh (ORCPT ); Tue, 26 Jan 2010 09:34:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753733Ab0AZOeh (ORCPT ); Tue, 26 Jan 2010 09:34:37 -0500 Received: from mx1.redhat.com ([209.132.183.28]:6363 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754466Ab0AZOeh (ORCPT ); Tue, 26 Jan 2010 09:34:37 -0500 Received: from int-mx05.intmail.prod.int.phx2.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.18]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o0QEYal9013893 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 26 Jan 2010 09:34:36 -0500 Received: from cleopatra.tlv.redhat.com (cleopatra.tlv.redhat.com [10.35.255.11]) by int-mx05.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o0QEYZln032040; Tue, 26 Jan 2010 09:34:35 -0500 Received: from localhost.localdomain (file.tlv.redhat.com [10.35.255.8]) by cleopatra.tlv.redhat.com (Postfix) with ESMTP id D1861250053; Tue, 26 Jan 2010 16:34:34 +0200 (IST) From: Avi Kivity To: kvm@vger.kernel.org Subject: [PATCH/RFC] KVM: Plan obsolescence of kernel allocated slots, paravirt mmu Date: Tue, 26 Jan 2010 16:34:34 +0200 Message-Id: <1264516474-11575-1-git-send-email-avi@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.18 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 870d190..88ca110 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -493,3 +493,26 @@ Why: These two features use non-standard interfaces. There are the Who: Corentin Chary ---------------------------- +What: KVM memory aliases support +When: July 2010 +Why: Memory aliasing support is used for speeding up guest vga access + through the vga windows. + + Modern userspace no longer uses this feature, so it's just bitrotted + code and can be removed with no impact. +Who: Avi Kivity +---------------------------- +What: KVM kernel-allocated memory slots +When: July 2010 +Why: Since 2.6.25, kvm supports user-allocated memory slots, which are + much more flexible than kernel-allocated slots. All current userspace + supports the newer interface and this code can be removed with no + impact. +Who: Avi Kivity +---------------------------- +What: KVM paravirt mmu host support +When: January 2011 +Why: The paravirt mmu host support is slower than non-paravirt mmu, both + on newer and older hardware. It is already not exposed to the guest, + and kept only for live migration purposes. +Who: Avi Kivity