sfc: Generate unique names for per-NIC workqueues

Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/sfc/efx.c

@@ -1929,7 +1929,10 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
 	efx->interrupt_mode = max(efx->type->max_interrupt_mode,
 				  interrupt_mode);
 
-	efx->workqueue = create_singlethread_workqueue("sfc_work");
+	/* Would be good to use the net_dev name, but we're too early */
+	snprintf(efx->workqueue_name, sizeof(efx->workqueue_name), "sfc%s",
+		 pci_name(pci_dev));
+	efx->workqueue = create_singlethread_workqueue(efx->workqueue_name);
 	if (!efx->workqueue)
 		return -ENOMEM;
 

drivers/net/sfc/net_driver.h

@@ -700,6 +700,7 @@ union efx_multicast_hash {
  * @legacy_irq: IRQ number
  * @workqueue: Workqueue for port reconfigures and the HW monitor.
  *	Work items do not hold and must not acquire RTNL.
+ * @workqueue_name: Name of workqueue
  * @reset_work: Scheduled reset workitem
  * @monitor_work: Hardware monitor workitem
  * @membase_phys: Memory BAR value as physical address
@@ -781,6 +782,7 @@ struct efx_nic {
 	const struct efx_nic_type *type;
 	int legacy_irq;
 	struct workqueue_struct *workqueue;
+	char workqueue_name[16];
 	struct work_struct reset_work;
 	struct delayed_work monitor_work;
 	resource_size_t membase_phys;