From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id D8A214CA1 for ; Wed, 7 Mar 2018 17:56:58 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Mar 2018 08:56:56 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.47,436,1515484800"; d="scan'208";a="35367939" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga004.fm.intel.com with ESMTP; 07 Mar 2018 08:56:54 -0800 Received: from sivswdev01.ir.intel.com (sivswdev01.ir.intel.com [10.237.217.45]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id w27GusFG032286; Wed, 7 Mar 2018 16:56:54 GMT Received: from sivswdev01.ir.intel.com (localhost [127.0.0.1]) by sivswdev01.ir.intel.com with ESMTP id w27Gus6L006110; Wed, 7 Mar 2018 16:56:54 GMT Received: (from aburakov@localhost) by sivswdev01.ir.intel.com with LOCAL id w27GusYa006106; Wed, 7 Mar 2018 16:56:54 GMT From: Anatoly Burakov To: dev@dpdk.org Cc: jianfeng.tan@intel.com, keith.wiles@intel.com, konstantin.ananyev@intel.com Date: Wed, 7 Mar 2018 16:56:48 +0000 Message-Id: <3478e7058ce9bca04ca7f03520f8a1ac559dcea2.1520424998.git.anatoly.burakov@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: References: In-Reply-To: References: Subject: [dpdk-dev] [PATCH v5 1/6] eal: add internal flag indicating init has completed 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: Wed, 07 Mar 2018 16:56:59 -0000 Currently, primary process initialization is finalized by setting the RTE_MAGIC value in the shared config. However, it is not possible to check whether secondary process initialization has completed. Add such a value to internal config. Signed-off-by: Anatoly Burakov --- Notes: v4: make init_complete volatile This patchset is dependent upon earlier IPC fixes patchset [1]. [1] http://dpdk.org/dev/patchwork/bundle/aburakov/IPC_Fixes/ lib/librte_eal/common/eal_common_options.c | 1 + lib/librte_eal/common/eal_internal_cfg.h | 2 ++ lib/librte_eal/linuxapp/eal/eal.c | 2 ++ 3 files changed, 5 insertions(+) diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c index 9f2f8d2..0be80cb 100644 --- a/lib/librte_eal/common/eal_common_options.c +++ b/lib/librte_eal/common/eal_common_options.c @@ -194,6 +194,7 @@ eal_reset_internal_config(struct internal_config *internal_cfg) internal_cfg->vmware_tsc_map = 0; internal_cfg->create_uio_dev = 0; internal_cfg->user_mbuf_pool_ops_name = NULL; + internal_cfg->init_complete = 0; } static int diff --git a/lib/librte_eal/common/eal_internal_cfg.h b/lib/librte_eal/common/eal_internal_cfg.h index 1169fcc..a0082d1 100644 --- a/lib/librte_eal/common/eal_internal_cfg.h +++ b/lib/librte_eal/common/eal_internal_cfg.h @@ -56,6 +56,8 @@ struct internal_config { /**< user defined mbuf pool ops name */ unsigned num_hugepage_sizes; /**< how many sizes on this system */ struct hugepage_info hugepage_info[MAX_HUGEPAGE_SIZES]; + volatile unsigned int init_complete; + /**< indicates whether EAL has completed initialization */ }; extern struct internal_config internal_config; /**< Global EAL configuration. */ diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c index 38306bf..2ecd07b 100644 --- a/lib/librte_eal/linuxapp/eal/eal.c +++ b/lib/librte_eal/linuxapp/eal/eal.c @@ -669,6 +669,8 @@ rte_eal_mcfg_complete(void) /* ALL shared mem_config related INIT DONE */ if (rte_config.process_type == RTE_PROC_PRIMARY) rte_config.mem_config->magic = RTE_MAGIC; + + internal_config.init_complete = 1; } /* -- 2.7.4