diff options
Diffstat (limited to 'sys/dev/netmap/netmap_pipe.c')
| -rw-r--r-- | sys/dev/netmap/netmap_pipe.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/dev/netmap/netmap_pipe.c b/sys/dev/netmap/netmap_pipe.c index ab77f4b6dcde2..64828670c35bd 100644 --- a/sys/dev/netmap/netmap_pipe.c +++ b/sys/dev/netmap/netmap_pipe.c @@ -228,7 +228,7 @@ netmap_pipe_txsync(struct netmap_kring *txkring, int flags) k = nm_next(k, lim_tx); } - wmb(); /* make sure the slots are updated before publishing them */ + mb(); /* make sure the slots are updated before publishing them */ rxkring->nr_hwtail = j; txkring->nr_hwcur = k; txkring->nr_hwtail = nm_prev(k, lim_tx); @@ -237,7 +237,7 @@ netmap_pipe_txsync(struct netmap_kring *txkring, int flags) ND(2, "after: hwcur %d hwtail %d cur %d head %d tail %d j %d", txkring->nr_hwcur, txkring->nr_hwtail, txkring->rcur, txkring->rhead, txkring->rtail, j); - wmb(); /* make sure rxkring->nr_hwtail is updated before notifying */ + mb(); /* make sure rxkring->nr_hwtail is updated before notifying */ rxkring->na->nm_notify(rxkring->na, rxkring->ring_id, NR_RX, 0); return 0; @@ -253,12 +253,12 @@ netmap_pipe_rxsync(struct netmap_kring *rxkring, int flags) rxkring->nr_hwcur = rxkring->rhead; /* recover user-relased slots */ ND(5, "hwcur %d hwtail %d cur %d head %d tail %d", rxkring->nr_hwcur, rxkring->nr_hwtail, rxkring->rcur, rxkring->rhead, rxkring->rtail); - rmb(); /* paired with the first wmb() in txsync */ + mb(); /* paired with the first mb() in txsync */ nm_rxsync_finalize(rxkring); if (oldhwcur != rxkring->nr_hwcur) { /* we have released some slots, notify the other end */ - wmb(); /* make sure nr_hwcur is updated before notifying */ + mb(); /* make sure nr_hwcur is updated before notifying */ txkring->na->nm_notify(txkring->na, txkring->ring_id, NR_TX, 0); } return 0; |