diff options
Diffstat (limited to 'drivers/dma/idxd/irq.c')
| -rw-r--r-- | drivers/dma/idxd/irq.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/dma/idxd/irq.c b/drivers/dma/idxd/irq.c index d6fcd2e60103..6510791b9921 100644 --- a/drivers/dma/idxd/irq.c +++ b/drivers/dma/idxd/irq.c @@ -173,6 +173,7 @@ static int irq_process_pending_llist(struct idxd_irq_entry *irq_entry, struct llist_node *head; int queued = 0; + *processed = 0; head = llist_del_all(&irq_entry->pending_llist); if (!head) return 0; @@ -197,6 +198,7 @@ static int irq_process_work_list(struct idxd_irq_entry *irq_entry, struct list_head *node, *next; int queued = 0; + *processed = 0; if (list_empty(&irq_entry->work_list)) return 0; @@ -218,10 +220,9 @@ static int irq_process_work_list(struct idxd_irq_entry *irq_entry, return queued; } -irqreturn_t idxd_wq_thread(int irq, void *data) +static int idxd_desc_process(struct idxd_irq_entry *irq_entry) { - struct idxd_irq_entry *irq_entry = data; - int rc, processed = 0, retry = 0; + int rc, processed, total = 0; /* * There are two lists we are processing. The pending_llist is where @@ -244,15 +245,26 @@ irqreturn_t idxd_wq_thread(int irq, void *data) */ do { rc = irq_process_work_list(irq_entry, &processed); - if (rc != 0) { - retry++; + total += processed; + if (rc != 0) continue; - } rc = irq_process_pending_llist(irq_entry, &processed); - } while (rc != 0 && retry != 10); + total += processed; + } while (rc != 0); + + return total; +} + +irqreturn_t idxd_wq_thread(int irq, void *data) +{ + struct idxd_irq_entry *irq_entry = data; + int processed; + processed = idxd_desc_process(irq_entry); idxd_unmask_msix_vector(irq_entry->idxd, irq_entry->id); + /* catch anything unprocessed after unmasking */ + processed += idxd_desc_process(irq_entry); if (processed == 0) return IRQ_NONE; |