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Commit 81a61859 authored by Emil Tantilov's avatar Emil Tantilov Committed by David S. Miller
Browse files

igb: Use irq_synchronize per vector when using MSI-X 



Synchronize all IRQs when using MSI-X. Similar to ixgbe.
Issue was reported on e1000e, but the patch is also valid for igb.

CC: Jean Delvare <jdelvare@suse.de>
Signed-off-by: default avatarEmil Tantilov <emil.s.tantilov@intel.com>
Tested-by: default avatarJeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3bfacf96

drivers/net/igb/igb_main.c

+7 −1
Original line number Diff line number Diff line
@@ -1290,8 +1290,14 @@ static void igb_irq_disable(struct igb_adapter *adapter) 
	wr32(E1000_IAM, 0);

	wr32(E1000_IMC, ~0);

	wrfl();

	if (adapter->msix_entries) {

		int i;

		for (i = 0; i < adapter->num_q_vectors; i++)

			synchronize_irq(adapter->msix_entries[i].vector);

	} else {

		synchronize_irq(adapter->pdev->irq);

	}

}



/**

 * igb_irq_enable - Enable default interrupt generation settings