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SubjectRe: [PATCH 0/2] netpoll: Trivial updates
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On Fri, 2011-07-01 at 00:06 -0700, David Miller wrote:
> From: Cong Wang <amwang@redhat.com>
> >>> BTW, you can kill the export of netpoll_send_skb_on_dev() too.
> >> Not too sure about that.
> >> It's used in netpoll.h by netpoll_send_skb.
> >> It could be called from anywhere.
> >> It's currently called/used by bonding.h.
> > % git grep netpoll_send_skb_on_dev .
[]
> > No modules use it...
> Right, this is a relic that bonding was using at one point
> in the past but it no longer does.

Are you sure?

netpoll.h:

void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
struct net_device *dev);
static inline void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
{
netpoll_send_skb_on_dev(np, skb, np->dev);
}

$ grep -rP --include=*.[ch] -w netpoll_send_skb *
drivers/net/bonding/bonding.h: netpoll_send_skb(np, skb);
include/linux/netpoll.h:static inline void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
net/bridge/br_private.h: netpoll_send_skb(np, skb);
net/core/netpoll.c: "netpoll_send_skb(): %s enabled interrupts in poll (%pF)\n",
net/core/netpoll.c: netpoll_send_skb(np, skb);
net/core/netpoll.c: netpoll_send_skb(np, send_skb);

from bonding.h

#ifdef CONFIG_NET_POLL_CONTROLLER
static inline void bond_netpoll_send_skb(const struct slave *slave,
struct sk_buff *skb)
{
struct netpoll *np = slave->np;

if (np)
netpoll_send_skb(np, skb);
}

and br_private.h

static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
struct sk_buff *skb)
{
struct netpoll *np = p->np;

if (np)
netpoll_send_skb(np, skb);
}

These are inlined and dependent on CONFIG_NET_POLL_CONTROLLER
in drivers/net/Kconfig so doesn't netpoll_send_skb_on_dev need
to be SYMBOL_EXPORTed?

cheers, Joe



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