From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bruce Richardson Subject: Re: [PATCH] ixgbe: prefetch cacheline after pointer becomes valid Date: Fri, 25 Sep 2015 16:22:33 +0100 Message-ID: <20150925152232.GA29324@bricha3-MOBL3> References: <1443140606-18241-1-git-send-email-zoltan.kiss@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: dev@dpdk.org To: Zoltan Kiss Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id C3BD18E56 for ; Fri, 25 Sep 2015 17:22:36 +0200 (CEST) Content-Disposition: inline In-Reply-To: <1443140606-18241-1-git-send-email-zoltan.kiss@linaro.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Thu, Sep 24, 2015 at 05:23:26PM -0700, Zoltan Kiss wrote: > At the original point the rx_pkts[pos( + n)] pointers are not initialized, so > the code is prefetching random data. > > Signed-off-by: Zoltan Kiss > Apart from the whitespace issues pointed out by John, this fix looks ok and testing shows no performance impact (as expected). /Bruce