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netpoll: Move netpoll_trap under CONFIG_NETPOLL_TRAP

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Now that we no longer need to receive packets to safely drain the
network drivers receive queue move netpoll_trap and netpoll_set_trap
under CONFIG_NETPOLL_TRAP

Making netpoll_trap and netpoll_set_trap noop inline functions
when CONFIG_NETPOLL_TRAP is not set.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman 2014-03-14 20:49:43 -07:00 • committed by David S. Miller
parent b6bacd550c
commit ad8d475244
2 changed files with 18 additions and 7 deletions
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11
include/linux/netpoll.h
View file

@ -65,8 +65,6 @@ void netpoll_print_options(struct netpoll *np);
int netpoll_parse_options(struct netpoll *np, char *opt);
int __netpoll_setup(struct netpoll *np, struct net_device *ndev, gfp_t gfp);
int netpoll_setup(struct netpoll *np);
int netpoll_trap(void);
void netpoll_set_trap(int trap);
void __netpoll_cleanup(struct netpoll *np);
void __netpoll_free_async(struct netpoll *np);
void netpoll_cleanup(struct netpoll *np);
@ -82,11 +80,20 @@ static inline void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
}
#ifdef CONFIG_NETPOLL_TRAP
int netpoll_trap(void);
void netpoll_set_trap(int trap);
static inline bool netpoll_rx_processing(struct netpoll_info *npinfo)
{
return !list_empty(&npinfo->rx_np);
}
#else
static inline int netpoll_trap(void)
{
return 0;
}
static inline void netpoll_set_trap(int trap)
{
}
static inline bool netpoll_rx_processing(struct netpoll_info *npinfo)
{
return false;