From patchwork Thu Feb 9 14:29:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aaron Conole X-Patchwork-Id: 20310 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 22B06FA4B; Thu, 9 Feb 2017 15:31:00 +0100 (CET) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id E2149F969 for ; Thu, 9 Feb 2017 15:30:13 +0100 (CET) Received: from smtp.corp.redhat.com (int-mx16.intmail.prod.int.phx2.redhat.com [10.5.11.28]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5C7347E9E0; Thu, 9 Feb 2017 14:30:14 +0000 (UTC) Received: from dhcp-25-97.bos.redhat.com (unknown [10.10.123.29]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4E7D884D1A; Thu, 9 Feb 2017 14:30:13 +0000 (UTC) From: Aaron Conole To: dev@dpdk.org Cc: Stephen Hemminger , Bruce Richardson Date: Thu, 9 Feb 2017 09:29:41 -0500 Message-Id: <20170209142953.8167-14-aconole@redhat.com> In-Reply-To: <20170209142953.8167-1-aconole@redhat.com> References: <20170208185142.28678-1-aconole@redhat.com> <20170209142953.8167-1-aconole@redhat.com> X-Scanned-By: MIMEDefang 2.74 on 10.5.11.28 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 09 Feb 2017 14:30:14 +0000 (UTC) Subject: [dpdk-dev] [PATCH v3 13/25] eal: do not panic on memory init 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This can only happen when access to hugepages (either as primary or secondary process) fails (and that is usually permissions). Since the manner of failure is not reversible, we cannot allow retry. Signed-off-by: Aaron Conole --- lib/librte_eal/linuxapp/eal/eal.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c index b21d715..97ee409 100644 --- a/lib/librte_eal/linuxapp/eal/eal.c +++ b/lib/librte_eal/linuxapp/eal/eal.c @@ -842,8 +842,11 @@ rte_eal_init(int argc, char **argv) } #endif - if (rte_eal_memory_init() < 0) - rte_panic("Cannot init memory\n"); + if (rte_eal_memory_init() < 0) { + RTE_LOG(ERR, EAL, "Cannot init memory\n"); + rte_errno = EACCES; + return -1; + } /* the directories are locked during eal_hugepage_info_init */ eal_hugedirs_unlock();