From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH] mk: fix kernel modules build dependency Date: Thu, 29 Mar 2018 18:43:21 +0200 Message-ID: <2419180.MvykWTCLKm@xps> References: <20180329153931.26351-1-thomas@monjalon.net> <1556410.U3gqVypkhP@xps> <1b87dc99-c4a5-21d0-9d78-3ea024f6a0c4@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: hemant.agrawal@nxp.com, dev@dpdk.org To: Ferruh Yigit Return-path: Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) by dpdk.org (Postfix) with ESMTP id 92D272BC7 for ; Thu, 29 Mar 2018 18:43:39 +0200 (CEST) In-Reply-To: <1b87dc99-c4a5-21d0-9d78-3ea024f6a0c4@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 29/03/2018 18:38, Ferruh Yigit: > On 3/29/2018 5:32 PM, Thomas Monjalon wrote: > > 29/03/2018 17:48, Ferruh Yigit: > >> On 3/29/2018 4:39 PM, Thomas Monjalon wrote: > >>> Some kernel modules may need some header files to be "installed" > >>> in the build directory. > >>> > >>> When running multiple threads of make, kernel modules can try to > >>> be compiled before the lib headers are ready: > >>> make -j3 > >>> kernel/linux/kni/kni_misc.c:19:37: fatal error: > >>> exec-env/rte_kni_common.h: No such file or directory > >> > >> Is there a reason to keep header in eal when module itself moved into kernel? > > > > It seems you missed my comment below: > > > > On a related note, this header file > > lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h > > could be moved to lib/librte_kni/ > > Opinion? > > Ahh, yes we are saying same thing. > But not sure if it should go under lib/librte_kni/ or kernel/linux/kni/? > I lean to kernel/linux/kni/. Why in kernel/? Logically, kernel/ depends on lib/ but not the reverse. And regarding the licensing, we avoid BSD files in Linux modules.