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Tue, 15 Jan 2019 11:29:45 +0000 (GMT) From: Ilya Maximets To: dev@dpdk.org, Thomas Monjalon Cc: Pavan Nikhilesh , Bruce Richardson , Honnappa Nagarahalli , Ilya Maximets , stable@dpdk.org Date: Tue, 15 Jan 2019 14:29:39 +0300 Message-Id: <20190115112939.8780-1-i.maximets@samsung.com> X-Mailer: git-send-email 2.17.1 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrMIsWRmVeSWpSXmKPExsWy7djPc7paR2xjDPb8MrC4scre4t2n7UwW M5+2sFtcaf/JbnG85yOLxb+OP+wWnx6cYHFg91gzbw2jx68FS1k9Fu95yeQxeeFFZo9jN6ex e/RtWcUYwBbFZZOSmpNZllqkb5fAlfFtiWZBk3DF+ccXmBoYFwl0MXJySAiYSKxoeM3UxcjF ISSwglFi0bc/zBDOF0aJlVNvMkI4nxklZt/vZ4ZpOTZhKlTLckaJltWHoKp+MErMWnWSFaSK TUBH4tTqI4wgtoiAucTECZ2sIEXMAhcZJU5s62YHSQgL2EhMur6ECcRmEVCVWP/3LBuIzStg JfH9+wx2iHXyEqs3HIBafZ9N4lFbJITtIjGv/xMjhC0s8er4Fqh6GYn/O+czQdj1EvdbXoJd JyHQwSgx/dA/qIS9xJbX54AaOIAu0pRYv0sfIuwo0ftqPQtIWEKAT+LGW0GQMDOQOWnbdGaI MK9ER5sQRLWKxO+Dy6Euk5K4+e4z1AUeEmeWrwKzhQRiJS4//McygVFuFsKuBYyMqxjFU0uL c9NTiw3zUsv1ihNzi0vz0vWS83M3MQKTwul/xz/tYPx6KekQowAHoxIPr8N8mxgh1sSy4src Q4wSHMxKIrxlTkAh3pTEyqrUovz4otKc1OJDjNIcLErivNUMD6KFBNITS1KzU1MLUotgskwc nFINjLoLV5X9ee74Pi1HdOEqlwzHzW1nzbtu/H9/+OOzv1mXZDgr5tVIMqRwHOifeKtpUbZq SD23xMSJWm8NVyXrxL9WK7J6//mG4OOlflPN0g/tv3AofUtJ23KbuAv93pGZ1kuO6rxMPvDX Jafor9EZ7rXve3jvr0ntjXl/ovvAV/aOqilTtylZNSqxFGckGmoxFxUnAgASiYFqBgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrFLMWRmVeSWpSXmKPExsVy+t/xe7qaR2xjDFbsMrW4scre4t2n7UwW M5+2sFtcaf/JbnG85yOLxb+OP+wWnx6cYHFg91gzbw2jx68FS1k9Fu95yeQxeeFFZo9jN6ex e/RtWcUYwBalZ1OUX1qSqpCRX1xiqxRtaGGkZ2hpoWdkYqlnaGwea2VkqqRvZ5OSmpNZllqk b5egl/FtiWZBk3DF+ccXmBoYFwl0MXJySAiYSBybMJWpi5GLQ0hgKaPElPNr2SESUhI/fl1g hbCFJf5c62KDKPrGKHF/4z8mkASbgI7EqdVHGEFsEQFLiUcnPrKCFDELXGaUuPJrGgtIQljA RmLS9SVgDSwCqhLr/55lA7F5Bawkvn+fAbVNXmL1hgPMExh5FjAyrGIUSS0tzk3PLTbUK07M LS7NS9dLzs/dxAgMx23Hfm7ewXhpY/AhRgEORiUeXof5NjFCrIllxZW5hxglOJiVRHjLnIBC vCmJlVWpRfnxRaU5qcWHGE2Blk9klhJNzgfGSl5JvKGpobmFpaG5sbmxmYWSOO95g8ooIYH0 xJLU7NTUgtQimD4mDk6pBsbuc9Wf9grsPZK/VS2C02FtnT+Phmzl+2ecU/KOnWC6wPfp5XLl aytO6utMndv2P9vI4K/LDmkZtl7tvwG2XO2HxPkfdj+cJPro5LLlImIXXyfO+F59OHFv3lSG A/eunUqqdM7ieT7h7VPRtZXR4azXqxads3bM1Knds9HTpmYG6371QoGmrEIlluKMREMt5qLi RAAWEszRXQIAAA== X-CMS-MailID: 20190115112946eucas1p22fa0b405d8cfe1feae7426a9b37857b1 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20190115112946eucas1p22fa0b405d8cfe1feae7426a9b37857b1 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190115112946eucas1p22fa0b405d8cfe1feae7426a9b37857b1 References: Subject: [dpdk-stable] [PATCH] eal: fix clang build with intrinsics forced X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Jan 2019 11:29:48 -0000 This fixes x86_64-native-linuxapp-clang build with CONFIG_RTE_FORCE_INTRINSICS=y: include/generic/rte_atomic.h:218:9: error: implicit declaration of function '__atomic_exchange_2' is invalid in C99 [-Werror,-Wimplicit-function-declaration] include/generic/rte_atomic.h:501:9: error: implicit declaration of function '__atomic_exchange_4' is invalid in C99 [-Werror,-Wimplicit-function-declaration] include/generic/rte_atomic.h:783:9: error: implicit declaration of function '__atomic_exchange_8' is invalid in C99 [-Werror,-Wimplicit-function-declaration] We didn't caught this issue previously on other platforms because CONFIG_RTE_FORCE_INTRINSICS enabled by default only for armv8. Fixes: 7bdccb93078e ("eal: fix ARM build with clang") Cc: stable@dpdk.org Signed-off-by: Ilya Maximets --- lib/librte_eal/common/include/generic/rte_atomic.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/lib/librte_eal/common/include/generic/rte_atomic.h b/lib/librte_eal/common/include/generic/rte_atomic.h index d0c464fb1..4afd1acc3 100644 --- a/lib/librte_eal/common/include/generic/rte_atomic.h +++ b/lib/librte_eal/common/include/generic/rte_atomic.h @@ -212,7 +212,7 @@ rte_atomic16_exchange(volatile uint16_t *dst, uint16_t val); static inline uint16_t rte_atomic16_exchange(volatile uint16_t *dst, uint16_t val) { -#if defined(RTE_ARCH_ARM64) && defined(__clang__) +#if defined(__clang__) return __atomic_exchange_n(dst, val, __ATOMIC_SEQ_CST); #else return __atomic_exchange_2(dst, val, __ATOMIC_SEQ_CST); @@ -495,7 +495,7 @@ rte_atomic32_exchange(volatile uint32_t *dst, uint32_t val); static inline uint32_t rte_atomic32_exchange(volatile uint32_t *dst, uint32_t val) { -#if defined(RTE_ARCH_ARM64) && defined(__clang__) +#if defined(__clang__) return __atomic_exchange_n(dst, val, __ATOMIC_SEQ_CST); #else return __atomic_exchange_4(dst, val, __ATOMIC_SEQ_CST); @@ -777,7 +777,7 @@ rte_atomic64_exchange(volatile uint64_t *dst, uint64_t val); static inline uint64_t rte_atomic64_exchange(volatile uint64_t *dst, uint64_t val) { -#if defined(RTE_ARCH_ARM64) && defined(__clang__) +#if defined(__clang__) return __atomic_exchange_n(dst, val, __ATOMIC_SEQ_CST); #else return __atomic_exchange_8(dst, val, __ATOMIC_SEQ_CST); -- 2.17.1