From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:32831) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dHxEC-0001rI-Jt for qemu-devel@nongnu.org; Mon, 05 Jun 2017 14:59:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dHxEA-0007zW-FB for qemu-devel@nongnu.org; Mon, 05 Jun 2017 14:59:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35526) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dHxEA-0007yE-6a for qemu-devel@nongnu.org; Mon, 05 Jun 2017 14:59:46 -0400 From: Eduardo Habkost Date: Mon, 5 Jun 2017 15:59:21 -0300 Message-Id: <20170605185927.12111-5-ehabkost@redhat.com> In-Reply-To: <20170605185927.12111-1-ehabkost@redhat.com> References: <20170605185927.12111-1-ehabkost@redhat.com> Subject: [Qemu-devel] [PULL 04/10] numa: make sure that all cpus have has_node_id set if numa is enabled List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell , Stefan Hajnoczi Cc: qemu-devel@nongnu.org, Igor Mammedov From: Igor Mammedov It fixes/add missing _PXM object for non mapped CPU (x86) and missing fdt node (virt-arm). It ensures that possible_cpus contains complete mapping if numa is enabled by the time machine_init() is executed. As result non completely mapped CPUs: 1) appear in ACPI/fdt blobs 2) QMP query-hotpluggable-cpus command shows bound nodes for such CPUs 3) allows to drop checks for has_node_id in numa only code, reducing number of invariants incomplete mapping could produce 4) moves fixup/implicit node init from runtime numa_cpu_pre_plug() (when CPU object is created) to machine_numa_finish_init() which helps to fix [1, 2] and make possible_cpus complete source of numa mapping available even before CPUs are created. Signed-off-by: Igor Mammedov Message-Id: <1496161442-96665-4-git-send-email-imammedo@redhat.com> Signed-off-by: Eduardo Habkost --- hw/arm/virt-acpi-build.c | 4 +--- hw/core/machine.c | 16 ++++++++++------ hw/i386/acpi-build.c | 3 +-- hw/i386/pc.c | 4 +--- numa.c | 16 +++++----------- 5 files changed, 18 insertions(+), 25 deletions(-) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 2079828c22..3d78ff68e6 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -496,12 +496,10 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) srat->reserved1 = cpu_to_le32(1); for (i = 0; i < cpu_list->len; ++i) { - int node_id = cpu_list->cpus[i].props.has_node_id ? - cpu_list->cpus[i].props.node_id : 0; core = acpi_data_push(table_data, sizeof(*core)); core->type = ACPI_SRAT_PROCESSOR_GICC; core->length = sizeof(*core); - core->proximity = cpu_to_le32(node_id); + core->proximity = cpu_to_le32(cpu_list->cpus[i].props.node_id); core->acpi_processor_uid = cpu_to_le32(i); core->flags = cpu_to_le32(1); } diff --git a/hw/core/machine.c b/hw/core/machine.c index c1434e6a69..2e7e9778cd 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -721,19 +721,23 @@ static void machine_numa_finish_init(MachineState *machine) const CPUArchId *cpu_slot = &possible_cpus->cpus[i]; if (!cpu_slot->props.has_node_id) { - if (default_mapping) { - /* fetch default mapping from board and enable it */ - CpuInstanceProperties props = cpu_slot->props; - props.has_node_id = true; - machine_set_cpu_numa_node(machine, &props, &error_fatal); - } else { + /* fetch default mapping from board and enable it */ + CpuInstanceProperties props = cpu_slot->props; + + if (!default_mapping) { /* record slots with not set mapping, * TODO: make it hard error in future */ char *cpu_str = cpu_slot_to_string(cpu_slot); g_string_append_printf(s, "%sCPU %d [%s]", s->len ? ", " : "", i, cpu_str); g_free(cpu_str); + + /* non mapped cpus used to fallback to node 0 */ + props.node_id = 0; } + + props.has_node_id = true; + machine_set_cpu_numa_node(machine, &props, &error_fatal); } } if (s->len && !qtest_enabled()) { diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 82bd44f38e..ce74c84460 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2335,8 +2335,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) srat->reserved1 = cpu_to_le32(1); for (i = 0; i < apic_ids->len; i++) { - int node_id = apic_ids->cpus[i].props.has_node_id ? - apic_ids->cpus[i].props.node_id : 0; + int node_id = apic_ids->cpus[i].props.node_id; uint32_t apic_id = apic_ids->cpus[i].arch_id; if (apic_id < 255) { diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 5b07be61cf..5b8c6fbbea 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -788,9 +788,7 @@ static FWCfgState *bochs_bios_init(AddressSpace *as, PCMachineState *pcms) for (i = 0; i < cpus->len; i++) { unsigned int apic_id = cpus->cpus[i].arch_id; assert(apic_id < pcms->apic_id_limit); - if (cpus->cpus[i].props.has_node_id) { - numa_fw_cfg[apic_id + 1] = cpu_to_le64(cpus->cpus[i].props.node_id); - } + numa_fw_cfg[apic_id + 1] = cpu_to_le64(cpus->cpus[i].props.node_id); } for (i = 0; i < nb_numa_nodes; i++) { numa_fw_cfg[pcms->apic_id_limit + 1 + i] = diff --git a/numa.c b/numa.c index 4ec3eaf687..65701cb6c8 100644 --- a/numa.c +++ b/numa.c @@ -509,22 +509,16 @@ void parse_numa_opts(MachineState *ms) void numa_cpu_pre_plug(const CPUArchId *slot, DeviceState *dev, Error **errp) { - int mapped_node_id; /* set by -numa option */ int node_id = object_property_get_int(OBJECT(dev), "node-id", &error_abort); - /* by default CPUState::numa_node was 0 if it wasn't set explicitly - * TODO: make it error when incomplete numa mapping support is removed - */ - mapped_node_id = slot->props.node_id; - if (!slot->props.has_node_id) { - mapped_node_id = 0; - } - if (node_id == CPU_UNSET_NUMA_NODE_ID) { /* due to bug in libvirt, it doesn't pass node-id from props on * device_add as expected, so we have to fix it up here */ - object_property_set_int(OBJECT(dev), mapped_node_id, "node-id", errp); - } else if (node_id != mapped_node_id) { + if (slot->props.has_node_id) { + object_property_set_int(OBJECT(dev), slot->props.node_id, + "node-id", errp); + } + } else if (node_id != slot->props.node_id) { error_setg(errp, "node-id=%d must match numa node specified " "with -numa option", node_id); } -- 2.11.0.259.g40922b1