linux-kernel - Re: [PATCH 2/4]: powerpc/cell spidernet low watermark patch.

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Date:	Mon, 21 Aug 2006 17:30:16 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	linas@...tin.ibm.com
Cc:	benh@...nel.crashing.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	Jens.Osterkamp@...ibm.com, jklewis@...ibm.com, arnd@...db.de
Subject: Re: [PATCH 2/4]: powerpc/cell spidernet low watermark patch.

From: linas@...tin.ibm.com (Linas Vepstas)
Date: Mon, 21 Aug 2006 19:13:11 -0500

> @@ -1495,16 +1500,16 @@ spider_net_interrupt(int irq, void *ptr,
>  	if (!status_reg)
>  		return IRQ_NONE;
>  
> -	if (status_reg & SPIDER_NET_RXINT ) {
> +	if (status_reg & SPIDER_NET_RXINT) {
>  		spider_net_rx_irq_off(card);
>  		netif_rx_schedule(netdev);
>  	}
> -	if (status_reg & SPIDER_NET_TXINT ) {
> -		spider_net_cleanup_tx_ring(card);
> -		netif_wake_queue(netdev);
> -	}
>  
> -	if (status_reg & SPIDER_NET_ERRINT )
> +	/* Call rx_schedule from the tx interrupt, so that NAPI poll runs. */
> +	if (status_reg & SPIDER_NET_TXINT)
> +		netif_rx_schedule(netdev);
> +
> +	if (status_reg & SPIDER_NET_ERRINT)

This should be:

	if ((status_reg & (SPIDET_NET_RXINT | SPIDET_NET_TXINT))) {
		spider_net_rx_and_tx_irq_off(card);
		netif_rx_schedule();
	}
-
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