*/
int hfi1_dev_affinity_init(struct hfi1_devdata *dd)
{
- int node = pcibus_to_node(dd->pcidev->bus);
struct hfi1_affinity_node *entry;
const struct cpumask *local_mask;
int curr_cpu, possible, i, ret;
bool new_entry = false;
- /*
- * If the BIOS does not have the NUMA node information set, select
- * NUMA 0 so we get consistent performance.
- */
- if (node < 0) {
- dd_dev_err(dd, "Invalid PCI NUMA node. Performance may be affected\n");
- node = 0;
- }
- dd->node = node;
-
local_mask = cpumask_of_node(dd->node);
if (cpumask_first(local_mask) >= nr_cpu_ids)
local_mask = topology_core_cpumask(0);
* create an entry in the global affinity structure and initialize it.
*/
if (!entry) {
- entry = node_affinity_allocate(node);
+ entry = node_affinity_allocate(dd->node);
if (!entry) {
dd_dev_err(dd,
"Unable to allocate global affinity node\n");
if (new_entry)
node_affinity_add_tail(entry);
+ dd->affinity_entry = entry;
mutex_unlock(&node_affinity.lock);
return 0;
{
struct hfi1_affinity_node *entry;
- if (dd->node < 0)
- return;
-
mutex_lock(&node_affinity.lock);
+ if (!dd->affinity_entry)
+ goto unlock;
entry = node_affinity_lookup(dd->node);
if (!entry)
goto unlock;
*/
_dev_comp_vect_cpu_mask_clean_up(dd, entry);
unlock:
+ dd->affinity_entry = NULL;
mutex_unlock(&node_affinity.lock);
- dd->node = NUMA_NO_NODE;
}
/*