[Intel-wired-lan] [v2 next PATCH S29 12/14] i40e: suspend scheduling during driver unload

Avinash Dayanand avinash.dayanand at intel.com
Thu Feb 18 17:19:25 UTC 2016


From: Pandi Kumar Maharajan <pandi.maharajan at intel.com>

We need to suspend scheduling or any pending service task during driver
unload process, so that new task will not be scheduled. This patch sets
the suspend flag bit during reload which avoids service task execution.

v2: change patch title

Signed-off-by: Pandi Kumar Maharajan <pandi.maharajan at intel.com>
Change-ID: I017c57b5d6656564556e3c5387da671369a572ac
---
 drivers/net/ethernet/intel/i40e/i40e_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 7388c1a..50c2c71 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -11211,6 +11211,7 @@ static void i40e_remove(struct pci_dev *pdev)
 	i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), 0);
 
 	/* no more scheduling of any task */
+	set_bit(__I40E_SUSPENDED, &pf->state);
 	set_bit(__I40E_DOWN, &pf->state);
 	del_timer_sync(&pf->service_timer);
 	cancel_work_sync(&pf->service_task);
-- 
2.1.0



More information about the Intel-wired-lan mailing list