diff options
Diffstat (limited to 'drivers/ieee1394')
| -rw-r--r-- | drivers/ieee1394/nodemgr.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 906c5a98d814..f47b6f69d2a9 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -1265,7 +1265,8 @@ static void nodemgr_update_node(struct node_entry *ne, struct csr1212_csr *csr, csr1212_destroy_csr(csr); } - /* Mark the node current */ + /* Finally, mark the node current */ + smp_wmb(); ne->generation = generation; if (ne->in_limbo) { @@ -1798,7 +1799,7 @@ void hpsb_node_fill_packet(struct node_entry *ne, struct hpsb_packet *packet) { packet->host = ne->host; packet->generation = ne->generation; - barrier(); + smp_rmb(); packet->node_id = ne->nodeid; } @@ -1807,7 +1808,7 @@ int hpsb_node_write(struct node_entry *ne, u64 addr, { unsigned int generation = ne->generation; - barrier(); + smp_rmb(); return hpsb_write(ne->host, ne->nodeid, generation, addr, buffer, length); } |