ionic: set adminq irq affinity

[ Upstream commit c699f35d658f3c21b69ed24e64b2ea26381e941d ]

We claim to have the AdminQ on our irq0 and thus cpu id 0,
but we need to be sure we set the affinity hint to try to
keep it there.

Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index adb0f9b01bb1eb559d25643f782afa8f93b09dbc..4f05cddc65cb46a48f528ffaba0e4ca0178f66c4 100644 (file)
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -3468,9 +3468,12 @@ static int ionic_lif_adminq_init(struct ionic_lif *lif)
 
        napi_enable(&qcq->napi);
 
-       if (qcq->flags & IONIC_QCQ_F_INTR)
+       if (qcq->flags & IONIC_QCQ_F_INTR) {
+               irq_set_affinity_hint(qcq->intr.vector,
+                                     &qcq->intr.affinity_mask);
                ionic_intr_mask(idev->intr_ctrl, qcq->intr.index,
                                IONIC_INTR_MASK_CLEAR);
+       }
 
        qcq->flags |= IONIC_QCQ_F_INITED;