* [PATCH 2/4] cxgb3: rtnl_lock out of loop will be faster
@ 2007-12-12 8:47 Wang Chen
0 siblings, 0 replies; only message in thread
From: Wang Chen @ 2007-12-12 8:47 UTC (permalink / raw)
To: David S. Miller, Jeff Garzik; +Cc: netdev, Wang Chen
[PATCH 2/4] [NETDEV] cxgb3: rtnl_lock out of loop will be faster
Before this patch, it gets and releases the lock at each
iteration of the loop. Changing unregister_netdev to
unregister_netdevice and locking outside of the loop will
be faster for this approach.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
---
cxgb3_main.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)
--- linux-2.6.24.rc5.org/drivers/net/cxgb3/cxgb3_main.c 2007-12-12 10:19:39.000000000 +0800
+++ linux-2.6.24.rc5/drivers/net/cxgb3/cxgb3_main.c 2007-12-12 15:19:15.000000000 +0800
@@ -2584,9 +2584,11 @@ static void __devexit remove_one(struct
sysfs_remove_group(&adapter->port[0]->dev.kobj,
&cxgb3_attr_group);
+ rtnl_lock();
for_each_port(adapter, i)
if (test_bit(i, &adapter->registered_device_map))
- unregister_netdev(adapter->port[i]);
+ unregister_netdevice(adapter->port[i]);
+ rtnl_unlock();
if (is_offload(adapter)) {
cxgb3_adapter_unofld(adapter);
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2007-12-12 8:53 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2007-12-12 8:47 [PATCH 2/4] cxgb3: rtnl_lock out of loop will be faster Wang Chen
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.