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numa: Reject configuration if not all node IDs are present

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We don't support sparse NUMA node IDs yet, so this changes QEMU to
reject configs where not all nodes are present.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eduardo Habkost 2014-06-26 18:33:20 -03:00 committed by Michael S. Tsirkin
parent 1945b9d8b0
commit 12d6e4640c
1 changed files with 16 additions and 1 deletions
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17
numa.c
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@ -160,9 +160,24 @@ error:
void set_numa_nodes(void)
{
int i;
assert(max_numa_nodeid <= MAX_NODES);
/* No support for sparse NUMA node IDs yet: */
for (i = max_numa_nodeid - 1; i >= 0; i--) {
/* Report large node IDs first, to make mistakes easier to spot */
if (!numa_info[i].present) {
error_report("numa: Node ID missing: %d", i);
exit(1);
}
}
/* This must be always true if all nodes are present: */
assert(nb_numa_nodes == max_numa_nodeid);
if (nb_numa_nodes > 0) {
uint64_t numa_total;
int i;
if (nb_numa_nodes > MAX_NODES) {
nb_numa_nodes = MAX_NODES;