i40e/i40evf: Use private workqueue
As done per ixgbe, use a private workqueue to avoid blocking the
system workqueue. This avoids some strange side effects when
some other entity is depending on the system work queue.
Change-ID: Ic8ba08f5b03696cf638b21afd25fbae7738d55ee
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index 615ad0f..66964eb 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -69,6 +69,8 @@
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
+static struct workqueue_struct *i40evf_wq;
+
/**
* i40evf_allocate_dma_mem_d - OS specific memory alloc for shared code
* @hw: pointer to the HW structure
@@ -182,7 +184,7 @@
if (!(adapter->flags & (I40EVF_FLAG_RESET_PENDING |
I40EVF_FLAG_RESET_NEEDED))) {
adapter->flags |= I40EVF_FLAG_RESET_NEEDED;
- schedule_work(&adapter->reset_task);
+ queue_work(i40evf_wq, &adapter->reset_task);
}
}
@@ -2895,6 +2897,11 @@
pr_info("%s\n", i40evf_copyright);
+ i40evf_wq = create_singlethread_workqueue(i40evf_driver_name);
+ if (!i40evf_wq) {
+ pr_err("%s: Failed to create workqueue\n", i40evf_driver_name);
+ return -ENOMEM;
+ }
ret = pci_register_driver(&i40evf_driver);
return ret;
}
@@ -2910,6 +2917,7 @@
static void __exit i40evf_exit_module(void)
{
pci_unregister_driver(&i40evf_driver);
+ destroy_workqueue(i40evf_wq);
}
module_exit(i40evf_exit_module);