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net: busy-poll: remove LL_FLUSH_FAILED and LL_FLUSH_BUSY 

Commit 79e7fff47b ("net: remove support for per driver
ndo_busy_poll()") made them obsolete.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2017-02-10 05:46:46 -08:00 committed by David S. Miller
parent 417d18d38b
commit 37fabbf4d4
2 changed files with 0 additions and 7 deletions
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4
include/net/busy_poll.h
View File

@ -33,10 +33,6 @@ struct napi_struct;
extern unsigned int sysctl_net_busy_read __read_mostly;
extern unsigned int sysctl_net_busy_poll __read_mostly;
/* return values from ndo_ll_poll */
#define LL_FLUSH_FAILED -1
#define LL_FLUSH_BUSY -2
static inline bool net_busy_loop_on(void)
{
return sysctl_net_busy_poll;

3
net/core/dev.c
View File

@ -5008,9 +5008,6 @@ bool sk_busy_loop(struct sock *sk, int nonblock)
LINUX_MIB_BUSYPOLLRXPACKETS, rc);
local_bh_enable();
if (rc == LL_FLUSH_FAILED)
break; /* permanent failure */
if (nonblock || !skb_queue_empty(&sk->sk_receive_queue) ||
busy_loop_timeout(end_time))
break;