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i40e: suspend scheduling during driver unload
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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.

Change-ID: I017c57b5d6656564556e3c5387da671369a572ac
Signed-off-by: Pandi Kumar Maharajan <pandi.maharajan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Pandi Kumar Maharajan authored and Jeff Kirsher committed Feb 19, 2016
1 parent 272cdaf commit a4618ec
Showing 1 changed file with 1 addition and 0 deletions.
1 change: 1 addition & 0 deletions drivers/net/ethernet/intel/i40e/i40e_main.c
Original file line number Diff line number Diff line change
Expand Up @@ -11215,6 +11215,7 @@ 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);
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