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Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core

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This commit is contained in:
Ingo Molnar
2010-09-15 10:27:31 +02:00
parent 79e406d7b0 57c072c711
commit 3aabae7d9d
599 changed files with 6551 additions and 4419 deletions
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16
net/core/dev.c
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@@ -2062,16 +2062,16 @@ static struct netdev_queue *dev_pick_tx(struct net_device *dev,
struct sk_buff *skb)
{
int queue_index;
struct sock *sk = skb->sk;
const struct net_device_ops *ops = dev->netdev_ops;
queue_index = sk_tx_queue_get(sk);
if (queue_index < 0) {
const struct net_device_ops *ops = dev->netdev_ops;
if (ops->ndo_select_queue) {
queue_index = ops->ndo_select_queue(dev, skb);
queue_index = dev_cap_txqueue(dev, queue_index);
} else {
struct sock *sk = skb->sk;
queue_index = sk_tx_queue_get(sk);
if (queue_index < 0) {
if (ops->ndo_select_queue) {
queue_index = ops->ndo_select_queue(dev, skb);
queue_index = dev_cap_txqueue(dev, queue_index);
} else {
queue_index = 0;
if (dev->real_num_tx_queues > 1)
queue_index = skb_tx_hash(dev, skb);

12
net/core/gen_estimator.c
View File

@@ -232,7 +232,7 @@ int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
est->last_packets = bstats->packets;
est->avpps = rate_est->pps<<10;
spin_lock(&est_tree_lock);
spin_lock_bh(&est_tree_lock);
if (!elist[idx].timer.function) {
INIT_LIST_HEAD(&elist[idx].list);
setup_timer(&elist[idx].timer, est_timer, idx);
@@ -243,7 +243,7 @@ int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
list_add_rcu(&est->list, &elist[idx].list);
gen_add_node(est);
spin_unlock(&est_tree_lock);
spin_unlock_bh(&est_tree_lock);
return 0;
}
@@ -270,7 +270,7 @@ void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
{
struct gen_estimator *e;
spin_lock(&est_tree_lock);
spin_lock_bh(&est_tree_lock);
while ((e = gen_find_node(bstats, rate_est))) {
rb_erase(&e->node, &est_root);
@@ -281,7 +281,7 @@ void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
list_del_rcu(&e->list);
call_rcu(&e->e_rcu, __gen_kill_estimator);
}
spin_unlock(&est_tree_lock);
spin_unlock_bh(&est_tree_lock);
}
EXPORT_SYMBOL(gen_kill_estimator);
@@ -320,9 +320,9 @@ bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
ASSERT_RTNL();
spin_lock(&est_tree_lock);
spin_lock_bh(&est_tree_lock);
res = gen_find_node(bstats, rate_est) != NULL;
spin_unlock(&est_tree_lock);
spin_unlock_bh(&est_tree_lock);
return res;
}

6
net/core/skbuff.c
View File

@@ -2574,6 +2574,10 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
__copy_skb_header(nskb, skb);
nskb->mac_len = skb->mac_len;
/* nskb and skb might have different headroom */
if (nskb->ip_summed == CHECKSUM_PARTIAL)
nskb->csum_start += skb_headroom(nskb) - headroom;
skb_reset_mac_header(nskb);
skb_set_network_header(nskb, skb->mac_len);
nskb->transport_header = (nskb->network_header +
@@ -2704,7 +2708,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
return -E2BIG;
headroom = skb_headroom(p);
nskb = netdev_alloc_skb(p->dev, headroom + skb_gro_offset(p));
nskb = alloc_skb(headroom + skb_gro_offset(p), GFP_ATOMIC);
if (unlikely(!nskb))
return -ENOMEM;