From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 2BDB7A046B for ; Mon, 19 Aug 2019 13:41:28 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 3C8111BE92; Mon, 19 Aug 2019 13:41:27 +0200 (CEST) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 040C61BE91 for ; Mon, 19 Aug 2019 13:41:25 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5A4DF30820C9; Mon, 19 Aug 2019 11:41:25 +0000 (UTC) Received: from [10.36.112.52] (ovpn-112-52.ams2.redhat.com [10.36.112.52]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A7EA711C9AE; Mon, 19 Aug 2019 11:41:21 +0000 (UTC) To: David Marchand , David Christensen , Tiwei Bie Cc: dev References: <1565807801-72546-1-git-send-email-drc@linux.vnet.ibm.com> <1565807801-72546-3-git-send-email-drc@linux.vnet.ibm.com> From: Maxime Coquelin Openpgp: preference=signencrypt Autocrypt: addr=maxime.coquelin@redhat.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.47]); Mon, 19 Aug 2019 11:41:25 +0000 (UTC) Subject: Re: [dpdk-dev] [PATCH 2/2] vhost: fix build error caused by 64bit print formatting X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 8/19/19 10:40 AM, David Marchand wrote: > On Thu, Aug 15, 2019 at 6:16 PM David Christensen > wrote: >> >>>> Use of %llx print formatting causes meson build error on Power systems with >>>> RHEL 7.6 and gcc 4.8.5. Replace with PRIx64 macro. >>>> >>>> + (uint64_t)reg_struct.range.start, >>>> + (uint64_t)reg_struct.range.start + >>>> + (uint64_t)reg_struct.range.len - 1); >> >> I didn't need them when compiling on Power but it's the only way I could >> get x86 to build without any warning: >> >> cc -Ilib/lib@@rte_vhost@sta -Ilib -I../lib -Ilib/librte_vhost >> -I../lib/librte_vhost -I. -I../ -Iconfig -I../config >> -Ilib/librte_eal/common/include -I../lib/librte_eal/common/include >> -I../lib/librte_eal/linux/eal/include -Ilib/librte_eal/common >> -I../lib/librte_eal/common -Ilib/librte_eal/common/include/arch/x86 >> -I../lib/librte_eal/common/include/arch/x86 -Ilib/librte_eal >> -I../lib/librte_eal -Ilib/librte_kvargs -I../lib/librte_kvargs >> -Ilib/librte_ethdev -I../lib/librte_ethdev -Ilib/librte_net >> -I../lib/librte_net -Ilib/librte_mbuf -I../lib/librte_mbuf >> -Ilib/librte_mempool -I../lib/librte_mempool -Ilib/librte_ring >> -I../lib/librte_ring -Ilib/librte_meter -I../lib/librte_meter >> -Ilib/librte_cryptodev -I../lib/librte_cryptodev -Ilib/librte_hash >> -I../lib/librte_hash -Ilib/librte_pci -I../lib/librte_pci -pipe >> -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -O3 -include rte_config.h >> -Wunused-parameter -Wsign-compare -Wcast-qual -D_GNU_SOURCE -fPIC >> -march=native -fno-strict-aliasing -DALLOW_EXPERIMENTAL_API -MD -MQ >> 'lib/lib@@rte_vhost@sta/librte_vhost_vhost_user.c.o' -MF >> 'lib/lib@@rte_vhost@sta/librte_vhost_vhost_user.c.o.d' -o >> 'lib/lib@@rte_vhost@sta/librte_vhost_vhost_user.c.o' -c >> ../lib/librte_vhost/vhost_user.c >> ../lib/librte_vhost/vhost_user.c: In function ‘vhost_user_set_mem_table’: >> ../lib/librte_vhost/vhost_user.c:1088:4: warning: format ‘%lx’ expects >> argument of type ‘long unsigned int’, but argument 4 has type ‘__u64’ >> [-Wformat=] >> RTE_LOG(INFO, VHOST_CONFIG, >> ^ >> ../lib/librte_vhost/vhost_user.c:1088:4: warning: format ‘%lx’ expects >> argument of type ‘long unsigned int’, but argument 5 has type ‘__u64’ >> [-Wformat=] >> >> This system was also RHEL 7.6 with gcc 4.8.5-36 > > Ok, I run the same. > The catch is that I did not have RTE_LIBRTE_VHOST_POSTCOPY enabled in > my working environment (using make) while meson enables it as long as > userfaultd.h is present. > > Maxime, Tiwei, > > Can't we use uintXX_t instead of (what looks to me) kernel types __uXX ? > > That actually comes from a kernel header (linux/userfaultfd.h), so I would say no.