This is a note to let you know that I've just added the patch titled
ionic: set adminq irq affinity
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ionic-set-adminq-irq-affinity.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit fbccb7796a20867db4ac082c4c51863de982ba0b
Author: Shannon Nelson <shannon.nelson@xxxxxxx>
Date: Wed Feb 14 09:59:01 2024 -0800
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@xxxxxxx>
Reviewed-by: Brett Creeley <brett.creeley@xxxxxxx>
Reviewed-by: Jacob Keller <jacob.e.keller@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 49c28134ac2cc..a37ca4b1e5665 100644
--- 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;
