5.4-stable review patch. If anyone has any objections, please let me know.
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From: Shannon Nelson shannon.nelson@amd.com
[ 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 --- drivers/net/ethernet/pensando/ionic/ionic_lif.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index d718c1a6d5fc7..e7d868da6a380 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -1874,9 +1874,12 @@ 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;