From patchwork Tue May 17 14:43:19 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Igor Mammedov X-Patchwork-Id: 9113521 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id EB4BBBF29F for ; Tue, 17 May 2016 15:02:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4A5A920123 for ; Tue, 17 May 2016 15:02:12 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7538D2012D for ; Tue, 17 May 2016 15:02:11 +0000 (UTC) Received: from localhost ([::1]:50841 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b2gVe-0007dH-Mh for patchwork-qemu-devel@patchwork.kernel.org; Tue, 17 May 2016 11:02:10 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56352) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b2gEL-0001Kn-Sw for qemu-devel@nongnu.org; Tue, 17 May 2016 10:44:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b2gEK-0006VU-J4 for qemu-devel@nongnu.org; Tue, 17 May 2016 10:44:17 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36219) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b2gEK-0006VP-B4 for qemu-devel@nongnu.org; Tue, 17 May 2016 10:44:16 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E2280C0578C9 for ; Tue, 17 May 2016 14:44:15 +0000 (UTC) Received: from dell-r430-03.lab.eng.brq.redhat.com (dell-r430-03.lab.eng.brq.redhat.com [10.34.112.60]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u4HEhRtM006153; Tue, 17 May 2016 10:44:14 -0400 From: Igor Mammedov To: qemu-devel@nongnu.org Date: Tue, 17 May 2016 16:43:19 +0200 Message-Id: <1463496205-251412-28-git-send-email-imammedo@redhat.com> In-Reply-To: <1463496205-251412-1-git-send-email-imammedo@redhat.com> References: <1463496205-251412-1-git-send-email-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Tue, 17 May 2016 14:44:15 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 27/33] pc: numa: replace node_cpu indexing by apic_id with possible_cpus index 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: drjones@redhat.com, ehabkost@redhat.com, rkrcmar@redhat.com, mst@redhat.com, armbru@redhat.com, marcel@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP that removes dependency on apic_id_limit, reducing size of node_cpu to a number of maxcpus and allowing usage of 32bit APIC IDs without allocating a huge array. Signed-off-by: Igor Mammedov --- hw/i386/acpi-build.c | 2 +- hw/i386/pc.c | 28 ++++++++++++---------------- 2 files changed, 13 insertions(+), 17 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index c62c020..9b9ef62 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2342,7 +2342,7 @@ build_srat(GArray *table_data, GArray *linker, MachineState *machine) core->type = ACPI_SRAT_PROCESSOR_APIC; core->length = sizeof(*core); core->local_apic_id = apic_id; - curnode = pcms->node_cpu[apic_id]; + curnode = pcms->node_cpu[i]; core->proximity_lo = curnode; memset(core->proximity_hi, 0, 3); core->local_sapic_eid = 0; diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 1cad132..2dba916 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1104,7 +1104,7 @@ void pc_hot_add_cpu(const int64_t id, Error **errp) void pc_cpus_init(PCMachineState *pcms) { - int i; + int i, j; X86CPU *cpu = NULL; MachineState *machine = MACHINE(pcms); @@ -1133,9 +1133,19 @@ void pc_cpus_init(PCMachineState *pcms) pcms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + sizeof(CPUArchId) * max_cpus); + pcms->node_cpu = g_malloc0(max_cpus * sizeof *pcms->node_cpu); + for (i = 0; i < max_cpus; i++) { pcms->possible_cpus->cpus[i].arch_id = x86_cpu_apic_id_from_index(i); pcms->possible_cpus->len++; + + for (j = 0; j < nb_numa_nodes; j++) { + if (test_bit(i, numa_info[j].node_cpu)) { + pcms->node_cpu[i] = j; + break; + } + } + if (i < smp_cpus) { cpu = pc_new_cpu(machine->cpu_model, x86_cpu_apic_id_from_index(i), &error_fatal); @@ -1185,7 +1195,7 @@ void pc_machine_done(Notifier *notifier, void *data) void pc_guest_info_init(PCMachineState *pcms) { - int i, j; + int i; pcms->apic_xrupt_override = kvm_allows_irq0_override(); pcms->numa_nodes = nb_numa_nodes; @@ -1195,20 +1205,6 @@ void pc_guest_info_init(PCMachineState *pcms) pcms->node_mem[i] = numa_info[i].node_mem; } - pcms->node_cpu = g_malloc0(pcms->apic_id_limit * - sizeof *pcms->node_cpu); - - for (i = 0; i < max_cpus; i++) { - unsigned int apic_id = x86_cpu_apic_id_from_index(i); - assert(apic_id < pcms->apic_id_limit); - for (j = 0; j < nb_numa_nodes; j++) { - if (test_bit(i, numa_info[j].node_cpu)) { - pcms->node_cpu[apic_id] = j; - break; - } - } - } - pcms->machine_done.notify = pc_machine_done; qemu_add_machine_init_done_notifier(&pcms->machine_done); }