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 C13AAA00BE; Mon, 27 Apr 2020 15:39:42 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 595511D443; Mon, 27 Apr 2020 15:39:42 +0200 (CEST) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [148.163.129.52]) by dpdk.org (Postfix) with ESMTP id 0F6291C1AF for ; Mon, 27 Apr 2020 15:39:41 +0200 (CEST) Received: from mx1-us1.ppe-hosted.com (unknown [10.7.65.61]) by dispatch1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 7F22A60102; Mon, 27 Apr 2020 13:39:40 +0000 (UTC) Received: from us4-mdac16-7.ut7.mdlocal (unknown [10.7.65.75]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 7D3668009E; Mon, 27 Apr 2020 13:39:40 +0000 (UTC) X-Virus-Scanned: Proofpoint Essentials engine Received: from mx1-us1.ppe-hosted.com (unknown [10.7.66.38]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id D4B838005F; Mon, 27 Apr 2020 13:39:39 +0000 (UTC) Received: from webmail.solarflare.com (uk.solarflare.com [193.34.186.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 38A14800056; Mon, 27 Apr 2020 13:39:39 +0000 (UTC) Received: from [192.168.38.17] (10.17.10.39) by ukex01.SolarFlarecom.com (10.17.10.4) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 27 Apr 2020 14:39:32 +0100 To: Bruce Richardson , David Marchand CC: , Ori Kam , Thomas Monjalon , Ferruh Yigit , Xiao Zhang References: <20200427132341.27681-1-david.marchand@redhat.com> <20200427132341.27681-4-david.marchand@redhat.com> <20200427133413.GA1848@bricha3-MOBL.ger.corp.intel.com> From: Andrew Rybchenko Autocrypt: addr=arybchenko@solarflare.com; keydata= mQINBF2681gBEACbdTxu8eLL3UX2oAelsnK9GkeaJeUYSOHPJQpV7RL/iaIskqTwBRnhjXt7 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SMEX-12.5.0.1300-8.5.1020-25380.003 X-TM-AS-Result: No-10.478900-8.000000-10 X-TMASE-MatchedRID: wQVy7q402w3mLzc6AOD8DfHkpkyUphL9hhy6s2hQl4QqWn7FcUtB0Iae EkIf7bS36Efa2in+vIvQrlQDbIiWAyxppiUy9o4cA9lly13c/gHYuVu0X/rOkHDEvXFpSyJ33qi 6aVCreZxdOsPRJDW3CnCM7dnt+mLDv1l2Uvx6idpWdFebWIc3VsRB0bsfrpPIfiAqrjYtFiTcV1 N9paHJDftAwXDKAkXth4pjsE8uiw4YWKM2q9PgkX7cGd19dSFd X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--10.478900-8.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.5.1020-25380.003 X-MDID: 1587994780-XHFfU9oqUozi Subject: Re: [dpdk-dev] [PATCH 3/3] ethdev: fix build warning on 64-bit value 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 4/27/20 4:34 PM, Bruce Richardson wrote: > On Mon, Apr 27, 2020 at 03:23:41PM +0200, David Marchand wrote: >> Building OVS with dpdk, sparse complains about 64-bit constant being >> passed as a normal integer that can't fit it: >> error: constant 0xffffffffffffffff is so big it is unsigned long >> >> Fixes: ecbc8570131d ("ethdev: add PFCP header to flow API") >> >> Signed-off-by: David Marchand >> --- >> lib/librte_ethdev/rte_flow.h | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h >> index 132b44edc6..1fb94f35e8 100644 >> --- a/lib/librte_ethdev/rte_flow.h >> +++ b/lib/librte_ethdev/rte_flow.h >> @@ -1534,7 +1534,7 @@ struct rte_flow_item_pfcp { >> #ifndef __cplusplus >> static const struct rte_flow_item_pfcp rte_flow_item_pfcp_mask = { >> .s_field = 0x01, >> - .seid = RTE_BE64(0xffffffffffffffff), >> + .seid = RTE_BE64(UINT64_C(0xffffffffffffffff)), > Rather than cast, why not put "ULL" at the end. It is not a cast as far as I can see, it is exactly ULL (or UL): /usr/include/stdint.h # if __WORDSIZE == 64 #  define UINT64_C(c)   c ## UL # else #  define UINT64_C(c)   c ## ULL # endif > If we are going to cast, why not just put "-1" in to save some digits. > > /Bruce