From patchwork Wed Feb 10 17:45:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 12081461 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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 ECFA8C433E6 for ; Wed, 10 Feb 2021 17:58:55 +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 57F5764EDA for ; Wed, 10 Feb 2021 17:58:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 57F5764EDA 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]:43974 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l9tlO-0000pA-8y for qemu-devel@archiver.kernel.org; Wed, 10 Feb 2021 12:58:54 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58350) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l9tYk-0007eP-U0 for qemu-devel@nongnu.org; Wed, 10 Feb 2021 12:45:52 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:40854) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l9tYU-00011E-L5 for qemu-devel@nongnu.org; Wed, 10 Feb 2021 12:45:46 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1612979133; 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=EuCC9R9FNv7fnX3YMGPqoY3CBva5TdLYrsgneRj3v64=; b=eZt/nJD2D95bQ6gXeSSeLUJHsq1SkSHuK/AhFoHCMmT18VF1ROy2ly13VzYHnAtVkBUlvl 4YtaVEvxYZmkcem433v1zu+jjxbzp7VF6NUyUBAG5XsrM5HjXSftm8AAxhlMS+bLylWpc5 gYlDbbrAdSn8EA8DAoSyaMnMsscDtpg= 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-517-b2GrgOIjOhmXWQmw1RdWag-1; Wed, 10 Feb 2021 12:45:31 -0500 X-MC-Unique: b2GrgOIjOhmXWQmw1RdWag-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 57E91195D565; Wed, 10 Feb 2021 17:45:30 +0000 (UTC) Received: from thinkpad.redhat.com (ovpn-112-23.ams2.redhat.com [10.36.112.23]) by smtp.corp.redhat.com (Postfix) with ESMTP id 46D6512D7E; Wed, 10 Feb 2021 17:45:28 +0000 (UTC) From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PATCH v2 1/3] pci: cleanup failover sanity check Date: Wed, 10 Feb 2021 18:45:16 +0100 Message-Id: <20210210174518.2493928-2-lvivier@redhat.com> In-Reply-To: <20210210174518.2493928-1-lvivier@redhat.com> References: <20210210174518.2493928-1-lvivier@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lvivier@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=lvivier@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.568, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: "Michael S. Tsirkin" , qemu-trivial@nongnu.org, Jason Wang , quintela@redhat.com, Michael Tokarev , Laurent Vivier , jfreimann@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Commit a1190ab628 has added a "allow_unplug_during_migration = true" at the end of the main "if" block, so it is not needed to set it anymore in the previous checking. Remove it, to have only sub-ifs that check for needed conditions and exit if one fails. Fixes: 4f5b6a05a4e7 ("pci: add option for net failover") Fixes: a1190ab628c0 ("migration: allow unplug during migration for failover devices") Cc: jfreimann@redhat.com Signed-off-by: Laurent Vivier Reviewed-by: Jens Freimann Acked-by: Jason Wang --- hw/pci/pci.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/hw/pci/pci.c b/hw/pci/pci.c index 512e9042ffae..ecb7aa31fabd 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -2120,10 +2120,8 @@ static void pci_qdev_realize(DeviceState *qdev, Error **errp) pci_qdev_unrealize(DEVICE(pci_dev)); return; } - if (!(pci_dev->cap_present & QEMU_PCI_CAP_MULTIFUNCTION) - && (PCI_FUNC(pci_dev->devfn) == 0)) { - qdev->allow_unplug_during_migration = true; - } else { + if ((pci_dev->cap_present & QEMU_PCI_CAP_MULTIFUNCTION) + || (PCI_FUNC(pci_dev->devfn) != 0)) { error_setg(errp, "failover: primary device must be in its own " "PCI slot"); pci_qdev_unrealize(DEVICE(pci_dev));