This is a note to let you know that I've just added the patch titled
ionic: set adminq irq affinity
to the 6.8-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-6.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c7b85fdd753bad4cd3401de5647825fced52f436
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 fcb44ceeb6aa5..44d30115ded13 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -3391,9 +3391,12 @@ 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;
