| Message ID | 1268201018.2872.139.camel@edumazet-laptop |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: Eric Dumazet <eric.dumazet@gmail.com> Date: Wed, 10 Mar 2010 07:03:38 +0100 > We hold RTNL at this point and dont use RCU variants of list traversals, > we dont need rcu_read_lock()/rcu_read_unlock() > > Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> I'll apply this, but to my net-next-2.6 tree once I open that up. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
From: Eric Dumazet <eric.dumazet@gmail.com> Date: Wed, 10 Mar 2010 07:03:38 +0100 > We hold RTNL at this point and dont use RCU variants of list traversals, > we dont need rcu_read_lock()/rcu_read_unlock() > > Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Le mardi 16 mars 2010 à 21:28 -0700, David Miller a écrit : > From: Eric Dumazet <eric.dumazet@gmail.com> > Date: Wed, 10 Mar 2010 07:03:38 +0100 > > > We hold RTNL at this point and dont use RCU variants of list traversals, > > we dont need rcu_read_lock()/rcu_read_unlock() > > > > Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> > > Applied. Thanks David. I believe the synchronize_rcu() we have in this file is useless too, I'll submit a patch. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 9a24377..2ff3489 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -108,7 +108,7 @@ fib_rules_register(struct fib_rules_ops *tmpl, struct net *net) struct fib_rules_ops *ops; int err; - ops = kmemdup(tmpl, sizeof (*ops), GFP_KERNEL); + ops = kmemdup(tmpl, sizeof(*ops), GFP_KERNEL); if (ops == NULL) return ERR_PTR(-ENOMEM); @@ -123,7 +123,6 @@ fib_rules_register(struct fib_rules_ops *tmpl, struct net *net) return ops; } - EXPORT_SYMBOL_GPL(fib_rules_register); void fib_rules_cleanup_ops(struct fib_rules_ops *ops) @@ -157,7 +156,6 @@ void fib_rules_unregister(struct fib_rules_ops *ops) call_rcu(&ops->rcu, fib_rules_put_rcu); } - EXPORT_SYMBOL_GPL(fib_rules_unregister); static int fib_rule_match(struct fib_rule *rule, struct fib_rules_ops *ops, @@ -220,7 +218,6 @@ out: return err; } - EXPORT_SYMBOL_GPL(fib_rules_lookup); static int validate_rulemsg(struct fib_rule_hdr *frh, struct nlattr **tb, @@ -613,7 +610,7 @@ static int fib_nl_dumprule(struct sk_buff *skb, struct netlink_callback *cb) break; cb->args[1] = 0; - skip: +skip: idx++; } rcu_read_unlock(); @@ -685,7 +682,6 @@ static int fib_rules_event(struct notifier_block *this, unsigned long event, struct fib_rules_ops *ops; ASSERT_RTNL(); - rcu_read_lock(); switch (event) { case NETDEV_REGISTER: @@ -699,8 +695,6 @@ static int fib_rules_event(struct notifier_block *this, unsigned long event, break; } - rcu_read_unlock(); - return NOTIFY_DONE; }
We hold RTNL at this point and dont use RCU variants of list traversals, we dont need rcu_read_lock()/rcu_read_unlock() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> --- net/core/fib_rules.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html