From patchwork Thu Dec 9 14:26:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Jackson X-Patchwork-Id: 12666665 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BF596C433F5 for ; Thu, 9 Dec 2021 14:27:47 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.243090.420404 (Exim 4.92) (envelope-from ) id 1mvKOA-0001YZ-BH; Thu, 09 Dec 2021 14:27:14 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 243090.420404; Thu, 09 Dec 2021 14:27:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1mvKOA-0001YS-8I; Thu, 09 Dec 2021 14:27:14 +0000 Received: by outflank-mailman (input) for mailman id 243090; Thu, 09 Dec 2021 14:27:13 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1mvKO9-0001YM-CM for xen-devel@lists.xenproject.org; Thu, 09 Dec 2021 14:27:13 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1mvKO9-0002ts-AV for xen-devel@lists.xenproject.org; Thu, 09 Dec 2021 14:27:13 +0000 Received: from iwj (helo=mariner.uk.xensource.com) by xenbits.xenproject.org with local-bsmtp (Exim 4.92) (envelope-from ) id 1mvKO9-0002uA-9N for xen-devel@lists.xenproject.org; Thu, 09 Dec 2021 14:27:13 +0000 Received: from [172.18.45.5] (helo=zealot.relativity.greenend.org.uk) by mariner.uk.xensource.com with esmtp (Exim 4.89) (envelope-from ) id 1mvKNj-0004px-MZ; Thu, 09 Dec 2021 14:26:47 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xenproject.org; s=20200302mail; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From; bh=7H/vJlCkyRKlmrzk69NkyyOL/b3gdIPsGGusOthjk3E=; b=Xp/S78I75Mke21soVCLWjw9tHq eeZGqssot5xwSltVNxA5h1Z5X6tyFY08Gy1d9drNk8fsm0SRnxr5XOF/80JyMaZtPq83Yjkscc/ym zcoTRWlzqP+XtUQOmPGDSSGH8jHnAJTDgLJpaJuyLfEnjLBo05yGlxw3vg0e/fjO5hIY=; From: Ian Jackson To: xen-devel@lists.xenproject.org Cc: iwj@xenproject.org, Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini , Wei Liu Subject: [PATCH] SUPPORT.md, MAINTAINERS: De-support qemu-xen-traditional Date: Thu, 9 Dec 2021 14:26:40 +0000 Message-Id: <20211209142640.24437-1-iwj@xenproject.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 In 4.16 we changed to not build this by default. I think it is now time to explicitly desupport it, completely, in favour of Linux dm stub domains. Signed-off-by: Ian Jackson --- MAINTAINERS | 2 +- SUPPORT.md | 18 +++++++++--------- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index e43dc0edce..933579541f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -455,7 +455,7 @@ S: Supported F: tools/python QEMU-DM -S: Supported +S: Obsolete T: git https://xenbits.xenproject.org/git-http/qemu-xen-traditional.git QEMU UPSTREAM diff --git a/SUPPORT.md b/SUPPORT.md index 3a34933c89..b64ebee93b 100644 --- a/SUPPORT.md +++ b/SUPPORT.md @@ -802,17 +802,17 @@ See the section **Blkback** for image formats supported by QEMU. ### qemu-xen-traditional ### The Xen Project provides an old version of qemu with modifications -which enable use as a device model stub domain. The old version is -normally selected by default only in a stub dm configuration, but it -can be requested explicitly in other configurations, for example in -`xl` with `device_model_version="QEMU_XEN_TRADITIONAL"`. +which enable use as a device model stub domain. This old version is +not built by default. Even if it is build, it is normally selected by +default only in a stub dm configuration, but it can be requested +explicitly in other configurations, for example in `xl` with +`device_model_version="QEMU_XEN_TRADITIONAL"`. - Status, Device Model Stub Domains: Supported, with caveats - Status, as host process device model: No security support, not recommended +When device model stub domains are desired for the additional +security, we recommend using a device model stub domain consisting of +a modern qemu and a Linux kernel. -qemu-xen-traditional is security supported only for those available -devices which are supported for mainstream QEMU (see above), with -trusted driver domains (see Device Model Stub Domains). + Status: Obsolete ## Virtual Firmware