From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA224C43381 for ; Fri, 22 Feb 2019 21:30:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9DD31206BB for ; Fri, 22 Feb 2019 21:30:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725814AbfBVVa3 (ORCPT ); Fri, 22 Feb 2019 16:30:29 -0500 Received: from mga09.intel.com ([134.134.136.24]:32218 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725774AbfBVVa3 (ORCPT ); Fri, 22 Feb 2019 16:30:29 -0500 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Feb 2019 13:30:26 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,401,1544515200"; d="scan'208";a="149237188" Received: from delmer-mobl.ger.corp.intel.com (HELO localhost) ([10.249.254.153]) by fmsmga001.fm.intel.com with ESMTP; 22 Feb 2019 13:30:22 -0800 Date: Fri, 22 Feb 2019 23:30:22 +0200 From: Jarkko Sakkinen To: "Michael S. Tsirkin" Cc: David Tolnay , Peter Huewe , Jason Gunthorpe , linux-integrity@vger.kernel.org, Jason Wang , virtualization@lists.linux-foundation.org, dgreid@chromium.org, apronin@chromium.org Subject: Re: [PATCH] tpm: Add driver for TPM over virtio Message-ID: <20190222213022.GA17945@linux.intel.com> References: <388c5b80-21a7-1e91-a11f-3a1c1432368b@gmail.com> <20190222102610.GB5613@linux.intel.com> <20190222101728-mutt-send-email-mst@kernel.org> <20190222193156.GA6475@linux.intel.com> <20190222154838-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190222154838-mutt-send-email-mst@kernel.org> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org On Fri, Feb 22, 2019 at 03:55:33PM -0500, Michael S. Tsirkin wrote: > Jarkko, I am not making any argument at all. > > I am trying to suggest ways for this driver to get upstream. > > And I am saying that while I agree availability of an implementation in > crosvm isn't sufficient, availability of a software device > implementation in QEMU is not an absolute prerequisite for including a > virtio driver in Linux. If there's a virtio spec explaining how to > write one, that can be enough. QEMU is definitely not absolute requirement for anything but I could not find crosvm in easily distributed form for any major distribution. The only reason for favoring QEMU is that I can actually install it without hustle. I have no idea how to get crosvm up and running. /Jarkko