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 49c28134ac2cc49c6dade0d14094971176be6b19..a37ca4b1e56653a3382aa2483648c46ef85a1e8c 100644 (file)
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -2708,9 +2708,12 @@ 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;