From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerin Jacob Subject: [PATCH 02/28] eal/x86: define I/O device memory barriers for IA Date: Wed, 14 Dec 2016 07:25:32 +0530 Message-ID: <1481680558-4003-3-git-send-email-jerin.jacob@caviumnetworks.com> References: <1481680558-4003-1-git-send-email-jerin.jacob@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , , , Jerin Jacob To: Return-path: Received: from NAM03-DM3-obe.outbound.protection.outlook.com (mail-dm3nam03on0064.outbound.protection.outlook.com [104.47.41.64]) by dpdk.org (Postfix) with ESMTP id A2F1F37AC for ; Wed, 14 Dec 2016 02:58:43 +0100 (CET) In-Reply-To: <1481680558-4003-1-git-send-email-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 IA. I/O barriers are mapped to existing smp barriers. Signed-off-by: Jerin Jacob CC: Bruce Richardson CC: Konstantin Ananyev --- lib/librte_eal/common/include/arch/x86/rte_atomic.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lib/librte_eal/common/include/arch/x86/rte_atomic.h b/lib/librte_eal/common/include/arch/x86/rte_atomic.h index 00b1cdf..4eac666 100644 --- a/lib/librte_eal/common/include/arch/x86/rte_atomic.h +++ b/lib/librte_eal/common/include/arch/x86/rte_atomic.h @@ -61,6 +61,12 @@ extern "C" { #define rte_smp_rmb() rte_compiler_barrier() +#define rte_io_mb() rte_mb() + +#define rte_io_wmb() rte_compiler_barrier() + +#define rte_io_rmb() rte_compiler_barrier() + /*------------------------- 16 bit atomic operations -------------------------*/ #ifndef RTE_FORCE_INTRINSICS -- 2.5.5