From nobody Tue Nov 4 10:50:34 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1505840886792586.2149522990463; Tue, 19 Sep 2017 10:08:06 -0700 (PDT) Received: from localhost ([::1]:44185 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1duM0E-0001X0-1P for importer@patchew.org; Tue, 19 Sep 2017 13:08:06 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40501) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1duLfH-0007kd-0k for qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:46:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1duLfG-0004Oc-2n for qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:46:27 -0400 Received: from mx1.redhat.com ([209.132.183.28]:49956) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1duLfF-0004No-Ts for qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:46:26 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6535881E1D; Tue, 19 Sep 2017 16:46:24 +0000 (UTC) Received: from localhost (unknown [10.36.117.0]) by smtp.corp.redhat.com (Postfix) with ESMTPS id DAE415D6A4; Tue, 19 Sep 2017 16:46:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 6535881E1D Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=cohuck@redhat.com From: Cornelia Huck To: peter.maydell@linaro.org Date: Tue, 19 Sep 2017 18:43:34 +0200 Message-Id: <20170919164337.18555-36-cohuck@redhat.com> In-Reply-To: <20170919164337.18555-1-cohuck@redhat.com> References: <20170919164337.18555-1-cohuck@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Tue, 19 Sep 2017 16:46:25 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL v2 35/38] s390x/ccw: create s390 phb for compat reasons as well X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: thuth@redhat.com, david@redhat.com, Cornelia Huck , agraf@suse.de, qemu-devel@nongnu.org, borntraeger@de.ibm.com, rth@twiddle.net Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" d32bd032d8 ("s390x/ccw: create s390 phb conditionally") made registering the s390 pci host bridge conditional on presense of the zpci facility bit. Sadly, that breaks migration from machines that did not use the cpu model (2.7 and previous). Create the s390 phb for pre-cpu model machines as well: We can tweak s390_has_feat() to always indicate the zpci facility bit when no cpu model is available (on 2.7 and previous compat machines). Fixes: d32bd032d8 ("s390x/ccw: create s390 phb conditionally") Acked-by: Christian Borntraeger Signed-off-by: Cornelia Huck --- target/s390x/cpu_models.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c index c295e641e6..5169379db5 100644 --- a/target/s390x/cpu_models.c +++ b/target/s390x/cpu_models.c @@ -196,6 +196,9 @@ bool s390_has_feat(S390Feat feat) } } #endif + if (feat =3D=3D S390_FEAT_ZPCI) { + return true; + } return 0; } return test_bit(feat, cpu->model->features); --=20 2.13.5