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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 4F4F6C433ED for ; Mon, 19 Apr 2021 07:27:17 +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 9361B610A1 for ; Mon, 19 Apr 2021 07:27:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9361B610A1 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]:38936 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lYOJP-0001XH-Hz for qemu-devel@archiver.kernel.org; Mon, 19 Apr 2021 03:27:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53390) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lYOIP-0000zd-Pd for qemu-devel@nongnu.org; Mon, 19 Apr 2021 03:26:13 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:54664) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lYOIL-0005Tu-Uv for qemu-devel@nongnu.org; Mon, 19 Apr 2021 03:26:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1618817167; 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: in-reply-to:in-reply-to:references:references; bh=B+N9vtv9nBUx85xtxY7/cGjaHyAqLMPYKjQoQUv1KyA=; b=G5rhJz0nUqUQa+HwayKdSDdVvkTZs+XA3xw5vltQIhftWeoeWW3AjU++Fzk43zwn99LP1h L0iNSKBKi5k7mLMUGYVvjFVCA8tOg/REJZDF7F5IH7KSjdxrEWNi/iMEzpcfDguhLcLGwh TSJYrLwOxzG5SVYxId4J6l58TGEa68E= 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-536-r6zsgfsGPR-SoU5yRUbDbg-1; Mon, 19 Apr 2021 03:26:05 -0400 X-MC-Unique: r6zsgfsGPR-SoU5yRUbDbg-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 D25471020C21 for ; Mon, 19 Apr 2021 07:26:04 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-114-17.ams2.redhat.com [10.36.114.17]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A41D160C5B; Mon, 19 Apr 2021 07:26:04 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 25423113525D; Mon, 19 Apr 2021 09:26:03 +0200 (CEST) From: Markus Armbruster To: Vitaly Kuznetsov Subject: Re: [PATCH RFC] migration: warn about non-migratable configurations unless '--no-migration' was specified References: <20210415154402.28424-1-vkuznets@redhat.com> <87sg3p1cf5.fsf@dusky.pond.sub.org> Date: Mon, 19 Apr 2021 09:26:03 +0200 In-Reply-To: <87sg3p1cf5.fsf@dusky.pond.sub.org> (Markus Armbruster's message of "Sat, 17 Apr 2021 11:35:26 +0200") Message-ID: <87fszmybuc.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) 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=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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: Paolo Bonzini , "Dr . David Alan Gilbert" , qemu-devel@nongnu.org, Eduardo Habkost , Juan Quintela Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Markus Armbruster writes: > Vitaly Kuznetsov writes: > >> When a migration blocker is added nothing is reported to the user, >> inability to migrate such guest may come as a late surprise. As a bare >> minimum, we can print a warning. To not pollute the output for those, who >> have no intention to migrate their guests, introduce '--no-migration' >> option which both block the migration and eliminates warning from > > Sure this justifies its own command line option? Can we make it a > parameter of an existing option? We have too many options, and options > starting "no-" are often awkward. We already have -only-migratable allow only migratable devices which fails any migration blocker, not just devices.