Return-Path: From: Alexander Aring To: linux-bluetooth@vger.kernel.org Cc: kernel@pengutronix.de, Alexander Aring , Jukka Rissanen Subject: [PATCH bluetooth-next] bluetooth: 6lowpan: fix NOHZ: local_softirq_pending Date: Tue, 27 Oct 2015 08:35:24 +0100 Message-Id: <1445931324-1524-1-git-send-email-alex.aring@gmail.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Jukka reported about the following warning: "NOHZ: local_softirq_pending 08" I remember this warning and we had a similar issue when using workqueues and calling netif_rx. See commit 5ff3fec ("mac802154: fix NOHZ local_softirq_pending 08 warning"). This warning occurs when calling "netif_rx" inside the wrong context (non softirq context). The net core api offers "netif_rx_ni" to call netif_rx inside the correct softirq context. Reported-by: Jukka Rissanen Cc: Jukka Rissanen Signed-off-by: Alexander Aring --- net/bluetooth/6lowpan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c index d85af23..9e9cca3 100644 --- a/net/bluetooth/6lowpan.c +++ b/net/bluetooth/6lowpan.c @@ -263,7 +263,7 @@ static int give_skb_to_upper(struct sk_buff *skb, struct net_device *dev) if (!skb_cp) return NET_RX_DROP; - return netif_rx(skb_cp); + return netif_rx_ni(skb_cp); } static int iphc_decompress(struct sk_buff *skb, struct net_device *netdev, -- 2.6.1