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 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 3059AC433F5 for ; Tue, 23 Nov 2021 13:15:10 +0000 (UTC) Received: from localhost ([::1]:55830 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mpVdd-0005AX-2d for qemu-devel@archiver.kernel.org; Tue, 23 Nov 2021 08:15:09 -0500 Received: from eggs.gnu.org ([209.51.188.92]:41004) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mpVcO-0004Oa-85; Tue, 23 Nov 2021 08:13:52 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:22158) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mpVcM-0007CB-4z; Tue, 23 Nov 2021 08:13:51 -0500 Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 1ANCJEpw016868; Tue, 23 Nov 2021 13:13:48 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=date : from : to : cc : subject : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=pp1; bh=MIR/w00B6CrSTPOh8VloSYXmAKqoTDhcayTaROA9LCs=; b=c8SUdSY8sEniq11zVN0/JXtYmeNto5Pprkk8HhasjIhAd5XUSWXm45uqlzQZvv6fCkoF 48SjA4CGVMtD0DUZw6hBeAxInFZJ3A6doNRfUjjTkxz8Y++qRT8hvLjhpOxcuGqNxkwF gdX6sO5BW/qvRhanS4ud1Z3qF9vPEf6CPwAajGtKIjsBIVBxPs/xMU6tuYj5TkTCsy8F Zm55SVCHz8IKe7ei+DxDmGtGDD3t+QBWYqGN8MucOU9qeD6lb+GdNIQfTbkgWntB0oCP ff2MsOIC878L07PC5UhRgPFRLiUGksAMTnTkoMhBDd7regs6PTW9HLWpUH7APNFuBIbr Wg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3cgvq85r21-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 23 Nov 2021 13:13:48 +0000 Received: from m0098421.ppops.net (m0098421.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 1ANCvt8j032645; Tue, 23 Nov 2021 13:13:48 GMT Received: from ppma06ams.nl.ibm.com (66.31.33a9.ip4.static.sl-reverse.com [169.51.49.102]) by mx0a-001b2d01.pphosted.com with ESMTP id 3cgvq85r1h-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 23 Nov 2021 13:13:47 +0000 Received: from pps.filterd (ppma06ams.nl.ibm.com [127.0.0.1]) by ppma06ams.nl.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 1AND92s9029249; Tue, 23 Nov 2021 13:13:46 GMT Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by ppma06ams.nl.ibm.com with ESMTP id 3cer9jr6t6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 23 Nov 2021 13:13:46 +0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 1ANDDhc825755914 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 23 Nov 2021 13:13:43 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1765511C052; Tue, 23 Nov 2021 13:13:43 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7066B11C05E; Tue, 23 Nov 2021 13:13:42 +0000 (GMT) Received: from li-e979b1cc-23ba-11b2-a85c-dfd230f6cf82 (unknown [9.171.0.71]) by d06av25.portsmouth.uk.ibm.com (Postfix) with SMTP; Tue, 23 Nov 2021 13:13:42 +0000 (GMT) Date: Tue, 23 Nov 2021 14:13:40 +0100 From: Halil Pasic To: "Michael S. Tsirkin" , Cornelia Huck , Halil Pasic , qemu-s390x@nongnu.org, qemu-devel@nongnu.org Subject: Re: [RFC PATCH v2 0/5] virtio: early detect 'modern' virtio Message-ID: <20211123141340.3def6ccb.pasic@linux.ibm.com> In-Reply-To: <20211112145749.618157-1-pasic@linux.ibm.com> References: <20211112145749.618157-1-pasic@linux.ibm.com> Organization: IBM X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 2T9uvshPqTuLvLoRxvZyPR5AaFNAngrh X-Proofpoint-GUID: i_eXB5fn2TKc3YaEfcFyzBoXGcBIWgj1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-11-23_04,2021-11-23_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 priorityscore=1501 phishscore=0 mlxscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 mlxlogscore=999 adultscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2111230075 Received-SPF: pass client-ip=148.163.158.5; envelope-from=pasic@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Christian Borntraeger , Thomas Huth , Richard Henderson , David Hildenbrand Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Fri, 12 Nov 2021 15:57:44 +0100 Halil Pasic wrote: > This is an early RFC for a transport specific early detecton of > modern virtio, which is most relevant for transitional devices on big > endian platforms, when drivers access the config space before > FEATURES_OK is set. [..] Ping! @Michael: Can you have a look at this, please?