From patchwork Wed Mar 22 13:32:36 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Igor Mammedov X-Patchwork-Id: 742049 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vp9g20zDpz9s7R for ; Thu, 23 Mar 2017 00:35:42 +1100 (AEDT) Received: from localhost ([::1]:51113 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cqgQN-0000HE-GF for incoming@patchwork.ozlabs.org; Wed, 22 Mar 2017 09:35:39 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44967) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cqgP0-00083s-T7 for qemu-devel@nongnu.org; Wed, 22 Mar 2017 09:34:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cqgP0-00022O-0q for qemu-devel@nongnu.org; Wed, 22 Mar 2017 09:34:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34406) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cqgOt-00020b-3A; Wed, 22 Mar 2017 09:34:07 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1890B67EC3; Wed, 22 Mar 2017 13:34:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 1890B67EC3 Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=imammedo@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 1890B67EC3 Received: from dell-r430-03.lab.eng.brq.redhat.com (dell-r430-03.lab.eng.brq.redhat.com [10.34.112.60]) by smtp.corp.redhat.com (Postfix) with ESMTP id 21F82A5660; Wed, 22 Mar 2017 13:33:58 +0000 (UTC) From: Igor Mammedov To: qemu-devel@nongnu.org Date: Wed, 22 Mar 2017 14:32:36 +0100 Message-Id: <1490189568-167621-12-git-send-email-imammedo@redhat.com> In-Reply-To: <1490189568-167621-1-git-send-email-imammedo@redhat.com> References: <1490189568-167621-1-git-send-email-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Wed, 22 Mar 2017 13:34:07 +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 Subject: [Qemu-devel] [PATCH for-2.10 11/23] numa: do default mapping based on possible_cpus instead of node_cpu bitmaps 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: Peter Maydell , Andrew Jones , Eduardo Habkost , qemu-arm@nongnu.org, qemu-ppc@nongnu.org, Shannon Zhao , Paolo Bonzini , David Gibson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Igor Mammedov Reviewed-by: David Gibson --- numa.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/numa.c b/numa.c index 44057f1..ab41776 100644 --- a/numa.c +++ b/numa.c @@ -309,6 +309,7 @@ static void validate_numa_cpus(void) void parse_numa_opts(MachineState *ms) { int i; + const CPUArchIdList *possible_cpus; MachineClass *mc = MACHINE_GET_CLASS(ms); for (i = 0; i < MAX_NODES; i++) { @@ -379,11 +380,6 @@ void parse_numa_opts(MachineState *ms) numa_set_mem_ranges(); - for (i = 0; i < nb_numa_nodes; i++) { - if (!bitmap_empty(numa_info[i].node_cpu, max_cpus)) { - break; - } - } /* Historically VCPUs were assigned in round-robin order to NUMA * nodes. However it causes issues with guest not handling it nice * in case where cores/threads from a multicore CPU appear on @@ -391,11 +387,20 @@ void parse_numa_opts(MachineState *ms) * rule grouping VCPUs by socket so that VCPUs from the same socket * would be on the same node. */ - if (!mc->cpu_index_to_instance_props) { + if (!mc->cpu_index_to_instance_props || !mc->possible_cpu_arch_ids) { error_report("default CPUs to NUMA node mapping isn't supported"); exit(1); } - if (i == nb_numa_nodes) { + + possible_cpus = mc->possible_cpu_arch_ids(ms); + for (i = 0; i < possible_cpus->len; i++) { + if (possible_cpus->cpus[i].props.has_node_id) { + break; + } + } + + /* no CPUs are assigned to NUMA nodes */ + if (i == possible_cpus->len) { for (i = 0; i < max_cpus; i++) { CpuInstanceProperties props; /* fetch default mapping from board and enable it */