[Intel-wired-lan] [PATCH v3 08/14] be2net: Use irq_update_affinity_hint

Nitesh Narayan Lal nitesh at redhat.com
Tue Jul 13 21:14:56 UTC 2021

The driver uses irq_set_affinity_hint() to update the affinity_hint mask
that is consumed by the userspace to distribute the interrupts. However,
under the hood irq_set_affinity_hint() also applies the provided cpumask
(if not NULL) as the affinity for the given interrupt which is an
undocumented side effect.

To remove this side effect irq_set_affinity_hint() has been marked
as deprecated and new interfaces have been introduced. Hence, replace the
irq_set_affinity_hint() with the new interface irq_update_affinity_hint()
that only updates the affinity_hint pointer.

Signed-off-by: Nitesh Narayan Lal <nitesh at redhat.com>
 drivers/net/ethernet/emulex/benet/be_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 361c1c87c183..ece6c0692826 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -3491,7 +3491,7 @@ static int be_msix_register(struct be_adapter *adapter)
 		if (status)
 			goto err_msix;
-		irq_set_affinity_hint(vec, eqo->affinity_mask);
+		irq_update_affinity_hint(vec, eqo->affinity_mask);
 	return 0;
@@ -3552,7 +3552,7 @@ static void be_irq_unregister(struct be_adapter *adapter)
 	/* MSIx */
 	for_all_evt_queues(adapter, eqo, i) {
 		vec = be_msix_vec_get(adapter, eqo);
-		irq_set_affinity_hint(vec, NULL);
+		irq_update_affinity_hint(vec, NULL);
 		free_irq(vec, eqo);

More information about the Intel-wired-lan mailing list