From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH] config: cleanup existing RTE_CACHE_LINE_SIZE selection scheme Date: Mon, 08 Feb 2016 12:44:57 +0100 Message-ID: <2977549.PxuGhIR2Yb@xps13> References: <1449498170-19872-1-git-send-email-jerin.jacob@caviumnetworks.com> <1750446.FDPWrLgo55@xps13> <20151208093333.GA3650@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org, viktorin@rehivetech.com To: Jerin Jacob Return-path: Received: from mail-wm0-f44.google.com (mail-wm0-f44.google.com [74.125.82.44]) by dpdk.org (Postfix) with ESMTP id 38C3A5677 for ; Mon, 8 Feb 2016 12:46:20 +0100 (CET) Received: by mail-wm0-f44.google.com with SMTP id g62so129038544wme.0 for ; Mon, 08 Feb 2016 03:46:20 -0800 (PST) In-Reply-To: <20151208093333.GA3650@localhost.localdomain> 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" 2015-12-08 15:03, Jerin Jacob: > On Mon, Dec 07, 2015 at 03:45:10PM +0100, Thomas Monjalon wrote: > > 2015-12-07 19:52, Jerin Jacob: > > > by default, all the targets will be configured with the 64-byte cache line > > > size, targets which have different cache line size can be overridden > > > through target specific config file. > > > > > > Selected ThunderX and power8 as CONFIG_RTE_CACHE_LINE_SIZE=128 targets > > > based on existing configuration. > > > > > > Signed-off-by: Jerin Jacob > > > > It looks good. > > We are moving from a constant defined on CC command line in most cases > > to a constant included in rte_config.h only. > > Have you checked that the generated libraries are identical? > > Yes, Tested with a 64byte(x86_64-native-linuxapp-gcc) and a 128byte > (arm64-thunderx-linuxapp-gcc) target. > md5sum build/app/test comes same with or without patch. > > > It would be good to have a check for POWER8. Chao? > > Thanks It seems we won't have a test on POWER8. Acked-by: Thomas Monjalon