From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.warmcat.com (mail.warmcat.com [163.172.24.82]) by dpdk.org (Postfix) with ESMTP id CDD551C69F for ; Mon, 14 May 2018 07:11:01 +0200 (CEST) From: Andy Green To: dev@dpdk.org Date: Mon, 14 May 2018 13:10:58 +0800 Message-ID: <152627465810.53156.10139613109164774255.stgit@localhost.localdomain> In-Reply-To: <152627436523.53156.4398253089110011263.stgit@localhost.localdomain> References: <152627436523.53156.4398253089110011263.stgit@localhost.localdomain> User-Agent: StGit/unknown-version Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Subject: [dpdk-dev] [PATCH v4 18/23] rte_rwlock.h: gcc8 sign conversion warnings 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: , X-List-Received-Date: Mon, 14 May 2018 05:11:02 -0000 In file included from /projects/lagopus/src/dpdk/ build/include/rte_rwlock.h:12, from ./mgr/lock.h:24, from ./mgr/sock_io.c:54: /projects/lagopus/src/dpdk/build/include/generic/ rte_rwlock.h: In function 'rte_rwlock_read_lock': /projects/lagopus/src/dpdk/build/include/generic/ rte_rwlock.h:74:12: warning: conversion to 'uint32_t' {aka 'unsigned int'} from 'int32_t' {aka 'int'} may change the sign of the result [-Wsign-conversion] x, x + 1); ^ /projects/lagopus/src/dpdk/build/include/generic/ rte_rwlock.h:74:17: warning: conversion to 'uint32_t' {aka 'unsigned int'} from 'int' may change the sign of the result [-Wsign-conversion] x, x + 1); ~~^~~ /projects/lagopus/src/dpdk/build/include/generic/ rte_rwlock.h: In function 'rte_rwlock_write_lock': /projects/lagopus/src/dpdk/build/include/generic/ rte_rwlock.h:110:15: warning: unsigned conversion from 'int' to 'uint32_t' {aka 'unsigned int'} changes value from '-1' to '4294967295' [-Wsign-conversion] 0, -1); ^~ Fixes: af75078fec ("first public release") Signed-off-by: Andy Green --- lib/librte_eal/common/include/generic/rte_rwlock.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/librte_eal/common/include/generic/rte_rwlock.h b/lib/librte_eal/common/include/generic/rte_rwlock.h index 899e9bc43..497934977 100644 --- a/lib/librte_eal/common/include/generic/rte_rwlock.h +++ b/lib/librte_eal/common/include/generic/rte_rwlock.h @@ -71,7 +71,7 @@ rte_rwlock_read_lock(rte_rwlock_t *rwl) continue; } success = rte_atomic32_cmpset((volatile uint32_t *)&rwl->cnt, - x, x + 1); + x, (uint32_t)(x + 1)); } } @@ -107,7 +107,7 @@ rte_rwlock_write_lock(rte_rwlock_t *rwl) continue; } success = rte_atomic32_cmpset((volatile uint32_t *)&rwl->cnt, - 0, -1); + 0, (uint32_t)-1); } }