[dpdk-dev] ixgbe vPMD question

[Bruce Richardson]

On Thu, Sep 17, 2015 at 09:28:31PM +0100, Zoltan Kiss wrote:
> Hi,
> 
> The recv function does a prefetch on cacheline1, however it seems to me that
> rx_pkts[pos] should be uninitialized pointer at that time:
> 
> http://dpdk.org/browse/dpdk/tree/drivers/net/ixgbe/ixgbe_rxtx_vec.c#n287
> 
> So I guess it prefetches only random value. Or am I missing something?
> 
> Regards,
> 
> Zoltan

>From a look at the code, you may indeed by right here. We'll see about fixing
that up in a future patch.

/Bruce