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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Browse Source 
The conflict was an interaction between a bug fix in the
netvsc driver in 'net' and an optimization of the RX path
in 'net-next'.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2017-02-07 16:29:30 -05:00
parent 76e0e70e64 926af6273f
commit 3efa70d78f
176 changed files with 1221 additions and 1049 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
net/core/datagram.c
View File

@@ -332,7 +332,9 @@ void __skb_free_datagram_locked(struct sock *sk, struct sk_buff *skb, int len)
EXPORT_SYMBOL(__skb_free_datagram_locked);
int __sk_queue_drop_skb(struct sock *sk, struct sk_buff *skb,
unsigned int flags)
unsigned int flags,
void (*destructor)(struct sock *sk,
struct sk_buff *skb))
{
int err = 0;
@@ -342,6 +344,8 @@ int __sk_queue_drop_skb(struct sock *sk, struct sk_buff *skb,
if (skb == skb_peek(&sk->sk_receive_queue)) {
__skb_unlink(skb, &sk->sk_receive_queue);
atomic_dec(&skb->users);
if (destructor)
destructor(sk, skb);
err = 0;
}
spin_unlock_bh(&sk->sk_receive_queue.lock);
@@ -375,7 +379,7 @@ EXPORT_SYMBOL(__sk_queue_drop_skb);
int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags)
{
int err = __sk_queue_drop_skb(sk, skb, flags);
int err = __sk_queue_drop_skb(sk, skb, flags, NULL);
kfree_skb(skb);
sk_mem_reclaim_partial(sk);

31
net/core/dev.c
View File

@@ -1695,24 +1695,19 @@ EXPORT_SYMBOL_GPL(net_dec_egress_queue);
static struct static_key netstamp_needed __read_mostly;
#ifdef HAVE_JUMP_LABEL
/* We are not allowed to call static_key_slow_dec() from irq context
* If net_disable_timestamp() is called from irq context, defer the
* static_key_slow_dec() calls.
*/
static atomic_t netstamp_needed_deferred;
static void netstamp_clear(struct work_struct *work)
{
int deferred = atomic_xchg(&netstamp_needed_deferred, 0);
while (deferred--)
static_key_slow_dec(&netstamp_needed);
}
static DECLARE_WORK(netstamp_work, netstamp_clear);
#endif
void net_enable_timestamp(void)
{
#ifdef HAVE_JUMP_LABEL
int deferred = atomic_xchg(&netstamp_needed_deferred, 0);
if (deferred) {
while (--deferred)
static_key_slow_dec(&netstamp_needed);
return;
}
#endif
static_key_slow_inc(&netstamp_needed);
}
EXPORT_SYMBOL(net_enable_timestamp);
@@ -1720,12 +1715,12 @@ EXPORT_SYMBOL(net_enable_timestamp);
void net_disable_timestamp(void)
{
#ifdef HAVE_JUMP_LABEL
if (in_interrupt()) {
atomic_inc(&netstamp_needed_deferred);
return;
}
#endif
/* net_disable_timestamp() can be called from non process context */
atomic_inc(&netstamp_needed_deferred);
schedule_work(&netstamp_work);
#else
static_key_slow_dec(&netstamp_needed);
#endif
}
EXPORT_SYMBOL(net_disable_timestamp);

9
net/core/ethtool.c
View File

@@ -1404,9 +1404,12 @@ static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
if (regs.len > reglen)
regs.len = reglen;
regbuf = vzalloc(reglen);
if (reglen && !regbuf)
return -ENOMEM;
regbuf = NULL;
if (reglen) {
regbuf = vzalloc(reglen);
if (!regbuf)
return -ENOMEM;
}
ops->get_regs(dev, &regs, regbuf);