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 /hw/core | |
| 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>
Diffstat (limited to 'hw/core')
| -rw-r--r-- | hw/core/numa.c | 10 |
1 files changed, 8 insertions, 2 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); |