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path: root/drivers/scsi/lpfc/lpfc_init.c
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-rw-r--r--drivers/scsi/lpfc/lpfc_init.c51
1 files changed, 21 insertions, 30 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 8292b66e4b07..316a2c2beb0c 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1235,10 +1235,9 @@ lpfc_hb_eq_delay_work(struct work_struct *work)
struct lpfc_hba, eq_delay_work);
struct lpfc_eq_intr_info *eqi, *eqi_new;
struct lpfc_queue *eq, *eq_next;
- unsigned char *eqcnt = NULL;
+ unsigned char *ena_delay = NULL;
uint32_t usdelay;
int i;
- bool update = false;
if (!phba->cfg_auto_imax || phba->pport->load_flag & FC_UNLOADING)
return;
@@ -1247,44 +1246,36 @@ lpfc_hb_eq_delay_work(struct work_struct *work)
phba->pport->fc_flag & FC_OFFLINE_MODE)
goto requeue;
- eqcnt = kcalloc(num_possible_cpus(), sizeof(unsigned char),
- GFP_KERNEL);
- if (!eqcnt)
+ ena_delay = kcalloc(phba->sli4_hba.num_possible_cpu, sizeof(*ena_delay),
+ GFP_KERNEL);
+ if (!ena_delay)
goto requeue;
- if (phba->cfg_irq_chann > 1) {
- /* Loop thru all IRQ vectors */
- for (i = 0; i < phba->cfg_irq_chann; i++) {
- /* Get the EQ corresponding to the IRQ vector */
- eq = phba->sli4_hba.hba_eq_hdl[i].eq;
- if (!eq)
- continue;
- if (eq->q_mode) {
- update = true;
- break;
- }
- if (eqcnt[eq->last_cpu] < 2)
- eqcnt[eq->last_cpu]++;
+ for (i = 0; i < phba->cfg_irq_chann; i++) {
+ /* Get the EQ corresponding to the IRQ vector */
+ eq = phba->sli4_hba.hba_eq_hdl[i].eq;
+ if (!eq)
+ continue;
+ if (eq->q_mode || eq->q_flag & HBA_EQ_DELAY_CHK) {
+ eq->q_flag &= ~HBA_EQ_DELAY_CHK;
+ ena_delay[eq->last_cpu] = 1;
}
- } else
- update = true;
+ }
for_each_present_cpu(i) {
eqi = per_cpu_ptr(phba->sli4_hba.eq_info, i);
- if (!update && eqcnt[i] < 2) {
- eqi->icnt = 0;
- continue;
+ if (ena_delay[i]) {
+ usdelay = (eqi->icnt >> 10) * LPFC_EQ_DELAY_STEP;
+ if (usdelay > LPFC_MAX_AUTO_EQ_DELAY)
+ usdelay = LPFC_MAX_AUTO_EQ_DELAY;
+ } else {
+ usdelay = 0;
}
- usdelay = (eqi->icnt / LPFC_IMAX_THRESHOLD) *
- LPFC_EQ_DELAY_STEP;
- if (usdelay > LPFC_MAX_AUTO_EQ_DELAY)
- usdelay = LPFC_MAX_AUTO_EQ_DELAY;
-
eqi->icnt = 0;
list_for_each_entry_safe(eq, eq_next, &eqi->list, cpu_list) {
- if (eq->last_cpu != i) {
+ if (unlikely(eq->last_cpu != i)) {
eqi_new = per_cpu_ptr(phba->sli4_hba.eq_info,
eq->last_cpu);
list_move_tail(&eq->cpu_list, &eqi_new->list);
@@ -1296,7 +1287,7 @@ lpfc_hb_eq_delay_work(struct work_struct *work)
}
}
- kfree(eqcnt);
+ kfree(ena_delay);
requeue:
queue_delayed_work(phba->wq, &phba->eq_delay_work,