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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E201C433EF for ; Wed, 29 Sep 2021 14:45:41 +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 1C8CE61288 for ; Wed, 29 Sep 2021 14:45:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1C8CE61288 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:43266 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mVaq4-0007wi-5U for qemu-devel@archiver.kernel.org; Wed, 29 Sep 2021 10:45:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36742) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mVanm-0006V7-6f for qemu-devel@nongnu.org; Wed, 29 Sep 2021 10:43:18 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:35092) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mVank-0007Aj-Rd for qemu-devel@nongnu.org; Wed, 29 Sep 2021 10:43:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1632926595; 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; bh=AEye2avFIwyDDCaft0Bs+75h9Cj69fqj1vbKM2JMyy0=; b=J7VE50HP0u2Nj4AQF2mxL6DsBlSwhfw3kdwvF0emuMqXHm/Kcnj4FTbN2BZ0KW81RcYWIl 3cHR3NSAscmXTngib39wADMQJmqP+Z8VMhlkeNCR2MiPdkxUkpyXyQct4NrTkujSO58oi4 yWp7VtASgjlbNaU91MUTvnHQ5Z+cqm8= 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-340-2VdUJ6OzP5mZK5_dPGo9zg-1; Wed, 29 Sep 2021 10:43:14 -0400 X-MC-Unique: 2VdUJ6OzP5mZK5_dPGo9zg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B6F48100CCF0 for ; Wed, 29 Sep 2021 14:43:13 +0000 (UTC) Received: from thinkpad.redhat.com (unknown [10.39.192.246]) by smtp.corp.redhat.com (Postfix) with ESMTP id 57A5410016F4; Wed, 29 Sep 2021 14:43:12 +0000 (UTC) From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PATCH 0/2] failover: don't allow to migrate a paused VM that needs PCI unplug Date: Wed, 29 Sep 2021 16:43:09 +0200 Message-Id: <20210929144311.1168561-1-lvivier@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 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 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=170.10.133.124; envelope-from=lvivier@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H2=-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: Jason Wang , Juan Quintela , "Dr. David Alan Gilbert" , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" As the guest OS is paused, we will never receive the unplug event=0D from the kernel and the migration cannot continue.=0D =0D The first patch is optional, it provides the error message to display=0D to migration_cancel() rather than to have to call migrate_set_error()=0D from the caller.=0D =0D Laurent Vivier (2):=0D migration: provide an error message to migration_cancel()=0D failover: don't allow to migrate a paused VM that needs PCI unplug=0D =0D migration/migration.h | 2 +-=0D hw/net/virtio-net.c | 10 +++++++++-=0D migration/migration.c | 9 ++++++---=0D migration/ram.c | 3 +--=0D 4 files changed, 17 insertions(+), 7 deletions(-)=0D =0D --=20=0D 2.31.1=0D =0D