diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 303bfff0ecc8..e9323889f199 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -11004,7 +11004,7 @@ found_any: cpu, cpup->phys_id, cpup->core_id, cpup->hdwq, cpup->eq, cpup->flag); } - /* Finally we need to associate a hdwq with each cpu_map entry + /* Associate a hdwq with each cpu_map entry * This will be 1 to 1 - hdwq to cpu, unless there are less * hardware queues then CPUs. For that case we will just round-robin * the available hardware queues as they get assigned to CPUs. @@ -11083,6 +11083,23 @@ found_any: cpup->hdwq, cpup->eq, cpup->flag); } + /* + * Initialize the cpu_map slots for not-present cpus in case + * a cpu is hot-added. Perform a simple hdwq round robin assignment. + */ + idx = 0; + for_each_possible_cpu(cpu) { + cpup = &phba->sli4_hba.cpu_map[cpu]; + if (cpup->hdwq != LPFC_VECTOR_MAP_EMPTY) + continue; + + cpup->hdwq = idx++ % phba->cfg_hdw_queue; + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "3340 Set Affinity: not present " + "CPU %d hdwq %d\n", + cpu, cpup->hdwq); + } + /* The cpu_map array will be used later during initialization * when EQ / CQ / WQs are allocated and configured. */ |