diff options
| author | Faisal Latif | 2010-02-12 20:55:03 +0100 |
|---|---|---|
| committer | Roland Dreier | 2010-02-19 20:38:14 +0100 |
| commit | 6e10d2e407542605b2bdca43dc88c35fa8bd24b2 (patch) | |
| tree | c79261a233ea24d7b3cee6fb011a6b8f5243a8e4 /drivers/infiniband/hw/nes/nes_cm.c | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp (diff) | |
| download | kernel-qcow2-linux-6e10d2e407542605b2bdca43dc88c35fa8bd24b2.tar.gz kernel-qcow2-linux-6e10d2e407542605b2bdca43dc88c35fa8bd24b2.tar.xz kernel-qcow2-linux-6e10d2e407542605b2bdca43dc88c35fa8bd24b2.zip | |
RDMA/nes: Use atomic counters for CM listener create and destroy
After running long iterative MPI tests, sometimes ethtool reports a
"CM Destroy Listener" count more than the "CM Create Listener" count.
This inconsistency is fixed by making counter variables atomic.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_cm.c')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_cm.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 39468c277036..debd92c53d89 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -67,8 +67,8 @@ u32 cm_packets_dropped; u32 cm_packets_retrans; u32 cm_packets_created; u32 cm_packets_received; -u32 cm_listens_created; -u32 cm_listens_destroyed; +atomic_t cm_listens_created; +atomic_t cm_listens_destroyed; u32 cm_backlog_drops; atomic_t cm_loopbacks; atomic_t cm_nodes_created; @@ -1042,7 +1042,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core, kfree(listener); listener = NULL; ret = 0; - cm_listens_destroyed++; + atomic_inc(&cm_listens_destroyed); } else { spin_unlock_irqrestore(&cm_core->listen_list_lock, flags); } @@ -3172,7 +3172,7 @@ int nes_create_listen(struct iw_cm_id *cm_id, int backlog) g_cm_core->api->stop_listener(g_cm_core, (void *)cm_node); return err; } - cm_listens_created++; + atomic_inc(&cm_listens_created); } cm_id->add_ref(cm_id); |