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Re: [PATCH RFC] mac80211: fix "NOHZ: local_softirq_pending 08"

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On Mon, 2010-11-29 at 15:54 +0100, Johannes Stezenbach wrote:
> ieee80211_tx_status() documentation says "This function may not be
> called in IRQ context", and it is called by rt2800usb
> from a workqueue context.  Thus it needs to call
> netif_rx_ni() instead of netif_rx().
> This change fixes the "NOHZ: local_softirq_pending 08"
> messages I've been getting with rt2800usb.

> -					netif_rx(skb2);
> +					netif_rx_ni(skb2);

That's kinda pointless though for drivers that already call it from a
tasklet or similar -- how about instead adding an
ieee80211_tx_status_ni() inline along the lines of ieee80211_rx_ni()?

johannes

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