From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerin Jacob Subject: [PATCH 4/6] eal/x86: rte pause implementation for x86 Date: Thu, 11 May 2017 15:40:44 +0530 Message-ID: <20170511101046.26456-4-jerin.jacob@caviumnetworks.com> References: <20170511101046.26456-1-jerin.jacob@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain Cc: thomas@monjalon.net, jianbo.liu@linaro.org, viktorin@rehivetech.com, Jerin Jacob , Bruce Richardson , Konstantin Ananyev To: dev@dpdk.org Return-path: Received: from NAM03-BY2-obe.outbound.protection.outlook.com (mail-by2nam03on0067.outbound.protection.outlook.com [104.47.42.67]) by dpdk.org (Postfix) with ESMTP id 6CB6D68A1 for ; Thu, 11 May 2017 12:11:31 +0200 (CEST) In-Reply-To: <20170511101046.26456-1-jerin.jacob@caviumnetworks.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" The patch does not provide any functional change for x86 with respect to existing rte_pause() definition. CC: Bruce Richardson CC: Konstantin Ananyev Signed-off-by: Jerin Jacob --- lib/librte_eal/common/include/arch/x86/rte_pause.h | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 lib/librte_eal/common/include/arch/x86/rte_pause.h diff --git a/lib/librte_eal/common/include/arch/x86/rte_pause.h b/lib/librte_eal/common/include/arch/x86/rte_pause.h new file mode 100644 index 000000000..22b879a7b --- /dev/null +++ b/lib/librte_eal/common/include/arch/x86/rte_pause.h @@ -0,0 +1,59 @@ +/*- + * BSD LICENSE + * + * Copyright(c) Cavium. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Cavium nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _RTE_PAUSE_X86_H_ +#define _RTE_PAUSE_X86_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "generic/rte_pause.h" + +#ifdef __SSE2__ +#include +static inline void rte_pause(void) +{ + _mm_pause(); +} +#else +static inline void rte_pause(void) +{ +} +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _RTE_PAUSE_X86_H_ */ -- 2.12.2