| Message ID | 20240619003257.6138-7-shannon.nelson@amd.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 55a3982ec721dabd5a4c2f16bfb03deb032e45c2 |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | ionic: rework fix for doorbell miss | expand |
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c index 56e7c120d492..ec36ace6d010 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c @@ -58,7 +58,14 @@ void ionic_doorbell_napi_work(struct work_struct *work) { struct ionic_qcq *qcq = container_of(work, struct ionic_qcq, doorbell_napi_work); - ionic_napi_schedule_do_softirq(&qcq->napi); + unsigned long now, then, dif; + + now = READ_ONCE(jiffies); + then = qcq->q.dbell_jiffies; + dif = now - then; + + if (dif > qcq->q.dbell_deadline) + ionic_napi_schedule_do_softirq(&qcq->napi); } static int ionic_get_preferred_cpu(struct ionic *ionic,
Check the deadline against the last time run and only schedule a new napi if we haven't been run recently. Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> --- drivers/net/ethernet/pensando/ionic/ionic_dev.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)