diff options
| author | Tao Xu <tao3.xu@intel.com> | 2019-09-05 16:32:38 +0800 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2019-10-15 18:18:08 -0300 |
| commit | 0533ef5f2089f4f12a0ec5c8035e5e15ba0b5556 (patch) | |
| tree | f93df647f5494ac13a34d7d2e5dfbd43fc3eea0b | |
| parent | 021a007efc31d99416335f73a3c8f1b9183e0047 (diff) | |
numa: Introduce MachineClass::auto_enable_numa for implicit NUMA node
Add MachineClass::auto_enable_numa field. When it is true, a NUMA node
is expected to be created implicitly.
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Suggested-by: Igor Mammedov <imammedo@redhat.com>
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Tao Xu <tao3.xu@intel.com>
Message-Id: <20190905083238.1799-1-tao3.xu@intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
| -rw-r--r-- | hw/core/numa.c | 10 | ||||
| -rw-r--r-- | hw/ppc/spapr.c | 9 | ||||
| -rw-r--r-- | include/hw/boards.h | 1 |
3 files changed, 10 insertions, 10 deletions
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; 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); |