linux-kernel - [PATCH] staging: et131x: use netif_rx

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Message-Id: <1329777204-2077-1-git-send-email-mark.einon@gmail.com>
Date:	Mon, 20 Feb 2012 22:33:24 +0000
From:	Mark Einon <mark.einon@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Mark Einon <mark.einon@...il.com>
Subject: [PATCH] staging: et131x: use netif_rx_ni() for packet receive

netif_rx is meant to be called from interrupts because it doesn't wake
up ksoftirqd.  For calling from outside interrupts, netif_rx_ni exists.

This stops the error "NOHZ: local_softirq_panding 08" that happens on
some machines with NOHZ and plip --- it is caused by the fact that
softirq is pending and ksoftirqd is sleeping.

Signed-off-by: Mark Einon <mark.einon@...il.com>
---
 drivers/staging/et131x/et131x.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index 2c4069f..b4167ad 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -3109,7 +3109,7 @@ static struct rfd *nic_rx_pkts(struct et131x_adapter *adapter)
 		skb->protocol = eth_type_trans(skb, adapter->netdev);
 		skb->ip_summed = CHECKSUM_NONE;
 
-		netif_rx(skb);
+		netif_rx_ni(skb);
 	} else {
 		rfd->len = 0;
 	}
-- 
1.7.7.6

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