netdev - Re: [PATCH -next 2/3 v2] bnx2: Add prefetches to rx path.

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Message-Id: <20100506.221804.67909927.davem@davemloft.net>
Date:	Thu, 06 May 2010 22:18:04 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mchan@...adcom.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH -next 2/3 v2] bnx2: Add prefetches to rx path.

From: "Michael Chan" <mchan@...adcom.com>
Date: Thu, 6 May 2010 11:58:13 -0700

> Add prefetches of the skb and the next rx descriptor to speed up rx path.
> 
> Use prefetchw() for the skb [suggested by Eric Dumazet].
> 
> The rx descriptor is in skb->data which is mapped for streaming mode DMA.
> Eric Dumazet pointed out that we should not prefetch the data before
> dma_sync.  So we prefetch only if dma_sync is no_op on the system.
> 
> Signed-off-by: Michael Chan <mchan@...adcom.com>

Also applied, thanks!
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