From nobody Tue Feb 10 23:53:01 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 1529062055706821.1252897274454; Fri, 15 Jun 2018 04:27:35 -0700 (PDT) Received: from localhost ([::1]:45959 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fTmtC-00010A-Ud for importer@patchew.org; Fri, 15 Jun 2018 07:27:35 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45636) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fTmr3-0007zV-Ja for qemu-devel@nongnu.org; Fri, 15 Jun 2018 07:25:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fTmr2-0000qy-Ej for qemu-devel@nongnu.org; Fri, 15 Jun 2018 07:25:21 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:38784 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 1fTmr2-0000qV-9A; Fri, 15 Jun 2018 07:25:20 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D89B38D774; Fri, 15 Jun 2018 11:25:19 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-18.ams2.redhat.com [10.36.117.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 02E6963AD5; Fri, 15 Jun 2018 11:25:17 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 15 Jun 2018 13:24:53 +0200 Message-Id: <20180615112500.19854-6-david@redhat.com> In-Reply-To: <20180615112500.19854-1-david@redhat.com> References: <20180615112500.19854-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Fri, 15 Jun 2018 11:25:19 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Fri, 15 Jun 2018 11:25:19 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.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 05/12] pc: factor out pc specific dimm checks into pc_memory_pre_plug() 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: Eduardo Habkost , "Michael S . Tsirkin" , Xiao Guangrong , David Hildenbrand , Alexander Graf , qemu-ppc@nongnu.org, Paolo Bonzini , Igor Mammedov , 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" We can perform these checks before the device is actually realized. Reviewed-by: David Gibson Reviewed-by: Igor Mammedov Signed-off-by: David Hildenbrand --- hw/i386/pc.c | 44 ++++++++++++++++++++++++++------------------ 1 file changed, 26 insertions(+), 18 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index f23133facc..2db032a6df 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1674,6 +1674,29 @@ void ioapic_init_gsi(GSIState *gsi_state, const char= *parent_name) } } =20 +static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *d= ev, + Error **errp) +{ + const PCMachineState *pcms =3D PC_MACHINE(hotplug_dev); + const bool is_nvdimm =3D object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); + + /* + * When -no-acpi is used with Q35 machine type, no ACPI is built, + * but pcms->acpi_dev is still created. Check !acpi_enabled in + * addition to cover this case. + */ + if (!pcms->acpi_dev || !acpi_enabled) { + error_setg(errp, + "memory hotplug is not enabled: missing acpi device or = acpi disabled"); + return; + } + + if (is_nvdimm && !pcms->acpi_nvdimm_state.is_enabled) { + error_setg(errp, "nvdimm is not enabled: missing 'nvdimm' in '-M'"= ); + return; + } +} + static void pc_memory_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { @@ -1696,23 +1719,6 @@ static void pc_memory_plug(HotplugHandler *hotplug_d= ev, align =3D memory_region_get_alignment(mr); } =20 - /* - * When -no-acpi is used with Q35 machine type, no ACPI is built, - * but pcms->acpi_dev is still created. Check !acpi_enabled in - * addition to cover this case. - */ - if (!pcms->acpi_dev || !acpi_enabled) { - error_setg(&local_err, - "memory hotplug is not enabled: missing acpi device or = acpi disabled"); - goto out; - } - - if (is_nvdimm && !pcms->acpi_nvdimm_state.is_enabled) { - error_setg(&local_err, - "nvdimm is not enabled: missing 'nvdimm' in '-M'"); - goto out; - } - pc_dimm_plug(dev, MACHINE(pcms), align, &local_err); if (local_err) { goto out; @@ -2006,7 +2012,9 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_d= ev, static void pc_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { - if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { + if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { + pc_memory_pre_plug(hotplug_dev, dev, errp); + } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { pc_cpu_pre_plug(hotplug_dev, dev, errp); } } --=20 2.17.1