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=-3.8 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 50116C433E1 for ; Wed, 5 Aug 2020 10:28:14 +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 210F2206B6 for ; Wed, 5 Aug 2020 10:28:14 +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="AxBn8Vt+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 210F2206B6 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]:39194 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k3Geb-000559-9n for qemu-devel@archiver.kernel.org; Wed, 05 Aug 2020 06:28:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44308) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k3Ge1-0004g5-KE for qemu-devel@nongnu.org; Wed, 05 Aug 2020 06:27:37 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:48514) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1k3Gdz-0003uq-Rw for qemu-devel@nongnu.org; Wed, 05 Aug 2020 06:27:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1596623254; 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=P6AiNMRW67lC4QSHSkrWpdaPKSIn5mp6WlsNQ1x8cY8=; b=AxBn8Vt+SjGlWISqGF2Y2gWFwPtmck1CZT+0kH5mslolgojJaUDcC11BHVKRs9EA7ODMC0 CSZJ5vfBhsDwmHtHOgHJb+FlRFuPJK7BAH4GVbWKTeTAXuspCfvngTZJNunb7BlJzKhfnG eiez8IdPsNhjimKMyPJUr3R/Vl1hwDM= 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-162-vR1xmLyGO06dxXw9h6vWkw-1; Wed, 05 Aug 2020 06:27:31 -0400 X-MC-Unique: vR1xmLyGO06dxXw9h6vWkw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A7A7A10059A2; Wed, 5 Aug 2020 10:27:29 +0000 (UTC) Received: from gondolin (ovpn-113-4.ams2.redhat.com [10.36.113.4]) by smtp.corp.redhat.com (Postfix) with ESMTP id 00B815DA6B; Wed, 5 Aug 2020 10:27:27 +0000 (UTC) Date: Wed, 5 Aug 2020 12:27:08 +0200 From: Cornelia Huck To: Thomas Huth Subject: Re: [PATCH for-5.2 6/6] pc-bios/s390-ccw: Allow booting in case the first virtio-blk disk is bad Message-ID: <20200805122708.070919ff.cohuck@redhat.com> In-Reply-To: <7810397f-4199-ffab-1bc2-9b7513133aff@redhat.com> References: <20200728183734.7838-1-thuth@redhat.com> <20200728183734.7838-7-thuth@redhat.com> <20200805120418.072042c8.cohuck@redhat.com> <7810397f-4199-ffab-1bc2-9b7513133aff@redhat.com> Organization: Red Hat GmbH MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 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=63.128.21.124; envelope-from=cohuck@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/05 06:27:34 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: "Jason J . Herne" , Collin Walling , Janosch Frank , qemu-devel@nongnu.org, Christian Borntraeger , qemu-s390x@nongnu.org, Claudio Imbrenda Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, 5 Aug 2020 12:08:59 +0200 Thomas Huth wrote: > On 05/08/2020 12.04, Cornelia Huck wrote: > > On Tue, 28 Jul 2020 20:37:34 +0200 > > Thomas Huth wrote: > > > >> If you try to boot with two virtio-blk disks (without bootindex), and > >> only the second one is bootable, the s390-ccw bios currently stops at > >> the first disk and does not continue booting from the second one. This > >> is annoying - and all other major QEMU firmwares succeed to boot from > >> the second disk in this case, so we should do the same in the s390-ccw > >> bios, too. > > > > Does it make sense to do something like that for other device types as > > well? > > It would be nice if we could do the same for virtio-scsi disks, but the > code is written in a way here that it will need much more thinking, > cleanups and time to get this done right... Yeah, let's just go for the lower-hanging fruit first, and then see if someone's sufficiently motivated to grab a ladder.