From nobody Mon Feb 9 07:22:43 2026 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 150514448398360.275175656454394; Mon, 11 Sep 2017 08:41:23 -0700 (PDT) Received: from localhost ([::1]:58497 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1drQpv-0003rr-2w for importer@patchew.org; Mon, 11 Sep 2017 11:41:23 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49409) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1drQYG-0004so-Rg for qemu-devel@nongnu.org; Mon, 11 Sep 2017 11:23:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1drQYG-0002IR-1C for qemu-devel@nongnu.org; Mon, 11 Sep 2017 11:23:08 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53642) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1drQYF-0002H2-R1 for qemu-devel@nongnu.org; Mon, 11 Sep 2017 11:23:07 -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 EAAFA140F74; Mon, 11 Sep 2017 15:23:06 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-48.ams2.redhat.com [10.36.116.48]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6E7F36B272; Mon, 11 Sep 2017 15:23:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com EAAFA140F74 Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=david@redhat.com From: David Hildenbrand To: qemu-devel@nongnu.org Date: Mon, 11 Sep 2017 17:21:45 +0200 Message-Id: <20170911152150.12535-17-david@redhat.com> In-Reply-To: <20170911152150.12535-1-david@redhat.com> References: <20170911152150.12535-1-david@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 [10.5.110.26]); Mon, 11 Sep 2017 15:23:07 +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] [PATCH v4 16/21] s390x: allow cpu hotplug via device_add 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: Matthew Rosato , thuth@redhat.com, Eduardo Habkost , david@redhat.com, cohuck@redhat.com, Richard Henderson , Alexander Graf , Markus Armbruster , borntraeger@de.ibm.com, Paolo Bonzini 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" E.g. the following now works: device_add host-s390-cpu,id=3Dcpu1,core-id=3D1 The system will perform the same checks as when using cpu_add: - If the core_id is already in use - If the next sequential core_id isn't used - If core-id >=3D max_cpu is specified In addition, mixed CPU models are checked. E.g. if starting with -cpu host and trying to hotplug "qemu-s390-cpu": "Mixed CPU models are not supported on s390x." Reviewed-by: Matthew Rosato Signed-off-by: David Hildenbrand --- target/s390x/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c index 8c1c644057..5724dffb88 100644 --- a/target/s390x/cpu.c +++ b/target/s390x/cpu.c @@ -467,6 +467,7 @@ static void s390_cpu_class_init(ObjectClass *oc, void *= data) scc->parent_realize =3D dc->realize; dc->realize =3D s390_cpu_realizefn; dc->props =3D s390x_cpu_properties; + dc->user_creatable =3D true; =20 scc->parent_reset =3D cc->reset; #if !defined(CONFIG_USER_ONLY) --=20 2.13.5