From nobody Tue Feb 10 21:19:26 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; 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 1528466178673227.88545125361054; Fri, 8 Jun 2018 06:56:18 -0700 (PDT) Received: from localhost ([::1]:35822 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fRHsH-00021X-3J for importer@patchew.org; Fri, 08 Jun 2018 09:56:17 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51567) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fRGof-0005K3-1L for qemu-devel@nongnu.org; Fri, 08 Jun 2018 08:48:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fRGoe-0006J0-1V for qemu-devel@nongnu.org; Fri, 08 Jun 2018 08:48:29 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:41120 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 1fRGod-0006Ii-TZ; Fri, 08 Jun 2018 08:48:27 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 60332406E8C4; Fri, 8 Jun 2018 12:48:27 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-58.ams2.redhat.com [10.36.117.58]) by smtp.corp.redhat.com (Postfix) with ESMTP id 03C0B205D523; Fri, 8 Jun 2018 12:48:25 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 8 Jun 2018 14:48:15 +0200 Message-Id: <20180608124816.22140-6-david@redhat.com> In-Reply-To: <20180608124816.22140-1-david@redhat.com> References: <20180608124816.22140-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Fri, 08 Jun 2018 12:48:27 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Fri, 08 Jun 2018 12:48:27 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.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 v2 5/6] spapr: handle pc-dimm 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: Thomas Huth , david@redhat.com, Alexander Graf , Greg Kurz , qemu-ppc@nongnu.org, Igor Mammedov , David Gibson 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" Factor out memory unplug into separate function from spapr_lmb_release(). Then use generic hotplug_handler_unplug() to trigger memory unplug, which will call spapr_machine_device_unplug() -> spapr_memory_unplug() in the end. This way unplug operation is not buried in lmb internals and located in the same place like in other targets, following similar logic/call chain across targets. Acked-by: David Gibson Reviewed-by: Greg Kurz Reviewed-by: Igor Mammedov Signed-off-by: David Hildenbrand --- hw/ppc/spapr.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index c45f8bc75b..404d887f4e 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3299,7 +3299,8 @@ static sPAPRDIMMState *spapr_recover_pending_dimm_sta= te(sPAPRMachineState *ms, /* Callback to be called during DRC release. */ void spapr_lmb_release(DeviceState *dev) { - sPAPRMachineState *spapr =3D SPAPR_MACHINE(qdev_get_hotplug_handler(de= v)); + HotplugHandler *hotplug_ctrl =3D qdev_get_hotplug_handler(dev); + sPAPRMachineState *spapr =3D SPAPR_MACHINE(hotplug_ctrl); sPAPRDIMMState *ds =3D spapr_pending_dimm_unplugs_find(spapr, PC_DIMM(= dev)); =20 /* This information will get lost if a migration occurs @@ -3317,9 +3318,17 @@ void spapr_lmb_release(DeviceState *dev) =20 /* * Now that all the LMBs have been removed by the guest, call the - * pc-dimm unplug handler to cleanup up the pc-dimm device. + * unplug handler chain. This can never fail. */ - pc_dimm_memory_unplug(dev, MACHINE(spapr)); + hotplug_handler_unplug(hotplug_ctrl, dev, &error_abort); +} + +static void spapr_memory_unplug(HotplugHandler *hotplug_dev, DeviceState *= dev) +{ + sPAPRMachineState *spapr =3D SPAPR_MACHINE(hotplug_dev); + sPAPRDIMMState *ds =3D spapr_pending_dimm_unplugs_find(spapr, PC_DIMM(= dev)); + + pc_dimm_memory_unplug(dev, MACHINE(hotplug_dev)); object_unparent(OBJECT(dev)); spapr_pending_dimm_unplugs_remove(spapr, ds); } @@ -3587,6 +3596,9 @@ static void spapr_machine_device_plug(HotplugHandler = *hotplug_dev, static void spapr_machine_device_unplug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { + if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { + spapr_memory_unplug(hotplug_dev, dev); + } } =20 static void spapr_machine_device_unplug_request(HotplugHandler *hotplug_de= v, --=20 2.17.0