diff options
Diffstat (limited to 'drivers/net/ethernet/amazon')
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_netdev.c | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_netdev.h | 1 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 3eb63b12dd68..e453542c9e94 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -1913,7 +1913,10 @@ static int ena_io_poll(struct napi_struct *napi, int budget) /* Update numa and unmask the interrupt only when schedule * from the interrupt context (vs from sk_busy_loop) */ - if (napi_complete_done(napi, rx_work_done)) { + if (napi_complete_done(napi, rx_work_done) && + READ_ONCE(ena_napi->interrupts_masked)) { + smp_rmb(); /* make sure interrupts_masked is read */ + WRITE_ONCE(ena_napi->interrupts_masked, false); /* We apply adaptive moderation on Rx path only. * Tx uses static interrupt moderation. */ @@ -1961,6 +1964,9 @@ static irqreturn_t ena_intr_msix_io(int irq, void *data) ena_napi->first_interrupt = true; + WRITE_ONCE(ena_napi->interrupts_masked, true); + smp_wmb(); /* write interrupts_masked before calling napi */ + napi_schedule_irqoff(&ena_napi->napi); return IRQ_HANDLED; diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h index ba030d260940..89304b403995 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.h +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h @@ -167,6 +167,7 @@ struct ena_napi { struct ena_ring *rx_ring; struct ena_ring *xdp_ring; bool first_interrupt; + bool interrupts_masked; u32 qid; struct dim dim; }; |