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author | Sridhar Samudrala <sridhar.samudrala@intel.com> | 2017-03-24 10:08:24 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2017-03-24 20:49:31 -0700 |
commit | 7db6b048da3b9f84fe1d22fb29ff7e7c2ec6c0e5 (patch) | |
tree | 4280f554866625190cd24db1768927764ba2bc77 /net/core/sock.c | |
parent | 37056719bba500d0d2b8216fdf641e5507ec9a0e (diff) | |
download | op-kernel-dev-7db6b048da3b9f84fe1d22fb29ff7e7c2ec6c0e5.zip op-kernel-dev-7db6b048da3b9f84fe1d22fb29ff7e7c2ec6c0e5.tar.gz |
net: Commonize busy polling code to focus on napi_id instead of socket
Move the core functionality in sk_busy_loop() to napi_busy_loop() and
make it independent of sk.
This enables re-using this function in epoll busy loop implementation.
Signed-off-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/sock.c')
-rw-r--r-- | net/core/sock.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 1b9030e..4b762f2 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -3237,3 +3237,14 @@ static int __init proto_init(void) subsys_initcall(proto_init); #endif /* PROC_FS */ + +#ifdef CONFIG_NET_RX_BUSY_POLL +bool sk_busy_loop_end(void *p, unsigned long start_time) +{ + struct sock *sk = p; + + return !skb_queue_empty(&sk->sk_receive_queue) || + sk_busy_loop_timeout(sk, start_time); +} +EXPORT_SYMBOL(sk_busy_loop_end); +#endif /* CONFIG_NET_RX_BUSY_POLL */ |