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=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 856C4C4363D for ; Fri, 25 Sep 2020 10:39:38 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 0BD7A21D91 for ; Fri, 25 Sep 2020 10:39:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="VMNPYUd1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0BD7A21D91 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:37438 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kLl8b-0006iA-1f for qemu-devel@archiver.kernel.org; Fri, 25 Sep 2020 06:39:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47754) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kLl7r-0006Gq-Tu for qemu-devel@nongnu.org; Fri, 25 Sep 2020 06:38:51 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:38124) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kLl7q-0001j4-4b for qemu-devel@nongnu.org; Fri, 25 Sep 2020 06:38:51 -0400 Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1601030329; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=DJZnhTSiJCAjK1hn2wyJvSMcxhV2vcZsuIrcwhF0X6k=; b=VMNPYUd1KRR2h+azjjizXaZ81GYvA995y0L+j59HVgaN/DqyiR4cTF/DDnUwxFk6WtSVPY NXY/1JLNDcTCi2KgY8CqCTzJcXJwkzzvpS46H6npEd3HQ/0brjoPQOVPhP0j7zthlLBc0f 1Gc4SxF1wBJtYnLVL8jYoN2oFpeKOPw= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-569-NDG2PWu-OY-XD_mRGlZsjg-1; Fri, 25 Sep 2020 06:38:47 -0400 X-MC-Unique: NDG2PWu-OY-XD_mRGlZsjg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id AC95B8030A2; Fri, 25 Sep 2020 10:38:46 +0000 (UTC) Received: from gondolin (ovpn-112-192.ams2.redhat.com [10.36.112.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id C539A7368F; Fri, 25 Sep 2020 10:38:39 +0000 (UTC) Date: Fri, 25 Sep 2020 12:38:37 +0200 From: Cornelia Huck To: Pankaj Gupta Subject: Re: [PATCH] virtio-pmem-pci: force virtio version 1 Message-ID: <20200925123837.1733dcdc.cohuck@redhat.com> In-Reply-To: <20200925102251.7216-1-pankaj.gupta.linux@gmail.com> References: <20200925102251.7216-1-pankaj.gupta.linux@gmail.com> Organization: Red Hat GmbH MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=cohuck@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=cohuck@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/25 02:48:20 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -32 X-Spam_score: -3.3 X-Spam_bar: --- X-Spam_report: (-3.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.199, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: david@redhat.com, qemu-devel@nongnu.org, mst@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Fri, 25 Sep 2020 12:22:51 +0200 Pankaj Gupta wrote: > Qemu fails with below error when trying to run with virtio pmem: > > (qemu) qemu-system-x86_64: -device virtio-pmem-pci,memdev=mem1,id=nv1: > device is modern-only, use disable-legacy=on Oh, another one :( > > This patch fixes this by forcing virtio 1 with virtio-pmem. > > fixes: adf0748a49 ("virtio-pci: Proxy for virtio-pmem") > Signed-off-by: Pankaj Gupta > --- > hw/virtio/virtio-pmem-pci.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/hw/virtio/virtio-pmem-pci.c b/hw/virtio/virtio-pmem-pci.c > index 21a457d151..2b2a0b1eae 100644 > --- a/hw/virtio/virtio-pmem-pci.c > +++ b/hw/virtio/virtio-pmem-pci.c > @@ -22,6 +22,7 @@ static void virtio_pmem_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) > VirtIOPMEMPCI *pmem_pci = VIRTIO_PMEM_PCI(vpci_dev); > DeviceState *vdev = DEVICE(&pmem_pci->vdev); > > + virtio_pci_force_virtio_1(vpci_dev); > qdev_realize(vdev, BUS(&vpci_dev->bus), errp); > } > The alternative would be to force virtio 1 only for 5.1 and later (see https://lore.kernel.org/qemu-devel/20200921122506.82515-1-sgarzare@redhat.com/).