From nobody Sat Nov 1 08:11:12 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; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 15262924505442.692963243002282; Mon, 14 May 2018 03:07:30 -0700 (PDT) Received: from localhost ([::1]:54885 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fIAO9-0002bB-Kr for importer@patchew.org; Mon, 14 May 2018 06:07:29 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59000) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fIAHq-0003zY-As for qemu-devel@nongnu.org; Mon, 14 May 2018 06:01:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fIAHm-00053v-De for qemu-devel@nongnu.org; Mon, 14 May 2018 06:00:58 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:43988 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fIAHm-00053m-8O; Mon, 14 May 2018 06:00:54 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A9B924075772; Mon, 14 May 2018 10:00:53 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-219.ams2.redhat.com [10.36.116.219]) by smtp.corp.redhat.com (Postfix) with ESMTP id 29C3C2024CB4; Mon, 14 May 2018 10:00:51 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Mon, 14 May 2018 12:00:14 +0200 Message-Id: <20180514100023.12542-10-david@redhat.com> In-Reply-To: <20180514100023.12542-1-david@redhat.com> References: <20180514100023.12542-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Mon, 14 May 2018 10:00:53 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Mon, 14 May 2018 10:00:53 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'david@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v3 09/18] spapr: handle cpu core unplug via hotplug handler chain 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: Pankaj Gupta , Eduardo Habkost , "Michael S . Tsirkin" , Cornelia Huck , David Hildenbrand , Markus Armbruster , Alexander Graf , Christian Borntraeger , qemu-s390x@nongnu.org, qemu-ppc@nongnu.org, Paolo Bonzini , Marcel Apfelbaum , Igor Mammedov , Luiz Capitulino , David Gibson , Richard Henderson 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" Let's handle it via hotplug_handler_unplug(). Signed-off-by: David Hildenbrand --- hw/ppc/spapr.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 286c38c842..13d153b5a6 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3412,7 +3412,16 @@ static void *spapr_populate_hotplug_cpu_dt(CPUState = *cs, int *fdt_offset, /* Callback to be called during DRC release. */ void spapr_core_release(DeviceState *dev) { - MachineState *ms =3D MACHINE(qdev_get_hotplug_handler(dev)); + HotplugHandler *hotplug_ctrl =3D qdev_get_hotplug_handler(dev); + + /* Call the unplug handler chain. This can never fail. */ + hotplug_handler_unplug(hotplug_ctrl, dev, &error_abort); +} + +static void spapr_core_unplug(HotplugHandler *hotplug_dev, DeviceState *de= v, + Error **errp) +{ + MachineState *ms =3D MACHINE(hotplug_dev); sPAPRMachineClass *smc =3D SPAPR_MACHINE_GET_CLASS(ms); CPUCore *cc =3D CPU_CORE(dev); CPUArchId *core_slot =3D spapr_find_cpu_slot(ms, cc->core_id, NULL); @@ -3623,6 +3632,8 @@ static void spapr_machine_device_unplug(HotplugHandle= r *hotplug_dev, /* final stage hotplug handler */ if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { spapr_memory_unplug(hotplug_dev, dev, &local_err); + } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) { + spapr_core_unplug(hotplug_dev, dev, &local_err); } else if (dev->parent_bus && dev->parent_bus->hotplug_handler) { hotplug_handler_unplug(dev->parent_bus->hotplug_handler, dev, &local_err); --=20 2.14.3