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numa: Introduce MachineClass::auto_enable_numa for implicit NUMA node

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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>
This commit is contained in:
Tao Xu 2019-09-05 16:32:38 +08:00 • committed by Eduardo Habkost
parent 021a007efc
commit 0533ef5f20
3 changed files with 10 additions and 10 deletions
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9
hw/ppc/spapr.c
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@ -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;