From patchwork Tue Oct 15 21:37:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 11191785 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7F843112B for ; Tue, 15 Oct 2019 21:44:10 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5E69F2064B for ; Tue, 15 Oct 2019 21:44:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5E69F2064B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:60040 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iKUbx-0005RC-5v for patchwork-qemu-devel@patchwork.kernel.org; Tue, 15 Oct 2019 17:44:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59835) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iKUVw-0004rP-BX for qemu-devel@nongnu.org; Tue, 15 Oct 2019 17:37:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iKUVv-0006gT-4p for qemu-devel@nongnu.org; Tue, 15 Oct 2019 17:37:56 -0400 Received: from mx1.redhat.com ([209.132.183.28]:49928) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iKUVu-0006gL-Sf for qemu-devel@nongnu.org; Tue, 15 Oct 2019 17:37:55 -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 0E44B3082231; Tue, 15 Oct 2019 21:37:54 +0000 (UTC) Received: from localhost (ovpn-116-20.phx2.redhat.com [10.3.116.20]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5F77F5D70D; Tue, 15 Oct 2019 21:37:53 +0000 (UTC) From: Eduardo Habkost To: Paolo Bonzini , Marcel Apfelbaum , Peter Maydell , Igor Mammedov , Richard Henderson , qemu-devel@nongnu.org Subject: [PULL 03/18] numa: Introduce MachineClass::auto_enable_numa for implicit NUMA node Date: Tue, 15 Oct 2019 18:37:30 -0300 Message-Id: <20191015213745.22174-4-ehabkost@redhat.com> In-Reply-To: <20191015213745.22174-1-ehabkost@redhat.com> References: <20191015213745.22174-1-ehabkost@redhat.com> MIME-Version: 1.0 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 [10.5.110.47]); Tue, 15 Oct 2019 21:37:54 +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 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tao Xu , David Gibson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Tao Xu Add MachineClass::auto_enable_numa field. When it is true, a NUMA node is expected to be created implicitly. Acked-by: David Gibson Suggested-by: Igor Mammedov Suggested-by: Eduardo Habkost Reviewed-by: Igor Mammedov Signed-off-by: Tao Xu Message-Id: <20190905083238.1799-1-tao3.xu@intel.com> Signed-off-by: Eduardo Habkost --- include/hw/boards.h | 1 + hw/core/numa.c | 10 ++++++++-- hw/ppc/spapr.c | 9 +-------- 3 files changed, 10 insertions(+), 10 deletions(-) diff --git a/include/hw/boards.h b/include/hw/boards.h index be18a5c032..de45087f34 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -228,6 +228,7 @@ struct MachineClass { bool smbus_no_migration_support; bool nvdimm_supported; bool numa_mem_supported; + bool auto_enable_numa; HotplugHandler *(*get_hotplug_handler)(MachineState *machine, DeviceState *dev); diff --git a/hw/core/numa.c b/hw/core/numa.c index 4dfec5c95b..038c96d4ab 100644 --- a/hw/core/numa.c +++ b/hw/core/numa.c @@ -378,11 +378,17 @@ void numa_complete_configuration(MachineState *ms) * guest tries to use it with that drivers. * * Enable NUMA implicitly by adding a new NUMA node automatically. + * + * Or if MachineClass::auto_enable_numa is true and no NUMA nodes, + * assume there is just one node with whole RAM. */ - if (ms->ram_slots > 0 && ms->numa_state->num_nodes == 0 && - mc->auto_enable_numa_with_memhp) { + if (ms->numa_state->num_nodes == 0 && + ((ms->ram_slots > 0 && + mc->auto_enable_numa_with_memhp) || + mc->auto_enable_numa)) { NumaNodeOptions node = { }; parse_numa_node(ms, &node, &error_abort); + numa_info[0].node_mem = ram_size; } assert(max_numa_nodeid <= MAX_NODES); diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 514a17ae74..4eb97d3a9b 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -346,14 +346,6 @@ static int spapr_populate_memory(SpaprMachineState *spapr, void *fdt) hwaddr mem_start, node_size; int i, nb_nodes = machine->numa_state->num_nodes; NodeInfo *nodes = machine->numa_state->nodes; - NodeInfo ramnode; - - /* No NUMA nodes, assume there is just one node with whole RAM */ - if (!nb_nodes) { - nb_nodes = 1; - ramnode.node_mem = machine->ram_size; - nodes = &ramnode; - } for (i = 0, mem_start = 0; i < nb_nodes; ++i) { if (!nodes[i].node_mem) { @@ -4430,6 +4422,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data) */ mc->numa_mem_align_shift = 28; mc->numa_mem_supported = true; + mc->auto_enable_numa = true; smc->default_caps.caps[SPAPR_CAP_HTM] = SPAPR_CAP_OFF; smc->default_caps.caps[SPAPR_CAP_VSX] = SPAPR_CAP_ON;