From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4F306A034F; Wed, 6 May 2020 18:14:13 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id DD6B41D9C8; Wed, 6 May 2020 18:14:12 +0200 (CEST) Received: from us-smtp-delivery-1.mimecast.com (us-smtp-1.mimecast.com [205.139.110.61]) by dpdk.org (Postfix) with ESMTP id 80E211D994 for ; Wed, 6 May 2020 18:14:10 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1588781650; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mxqSFSPPsAlWblDpZxc/ubKlfi+VNswwtjPVEINHGcY=; b=d6+e1Xm4Cz5WJqPrgNsBh93PnUQ7YJVyURYumFF6LTOq00xcM7pR5CawHLMDopOGjMQkmL eNnV86J6H+/knA4o5gdFsnPBEJZdCePHSoJRU5yTJ16rSbpHUzIq9S7Y7nNEkxVnabIUnP aYvNVkf6R9Wh4Jri9ahU1lmvAdS8zxM= Received: from mail-ua1-f72.google.com (mail-ua1-f72.google.com [209.85.222.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-228-wRXTn8yDNWS90DsHsz5uCw-1; Wed, 06 May 2020 12:14:03 -0400 X-MC-Unique: wRXTn8yDNWS90DsHsz5uCw-1 Received: by mail-ua1-f72.google.com with SMTP id v17so910640uao.7 for ; Wed, 06 May 2020 09:14:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=6gt8o+SrZYdftN0XCp4moqRYnZ0hEN/DM6dnsFUFgu0=; b=E4jsgz7y5eOKfW3HYgcC5zTYG+imXR2r1qmSdCDcN6xR17myReyJnIk25LDy/143zE RGTacUUQ3dNq8h91E3WzWcEJntP145lHR3n1CcRmAsUtNJDEIOZI8umar88i5gOTQpY5 WE0YeTX9G1BSYifx+x4G3MO71SJVXRysHnpExes56YolZF4r64M2ak2gGkf3yVY/iQyh t7uXt3lAkoGS6H4mqUyUdmakfp00PUc3drLUdTiiIxvWf/hemti+kMFBMVcpWkNZi0Eb OIn8ijE/j9evE2giyFfOr+PdV7DfwaTQu03XqxNZD9pkeiOzIAcUAFxBg1dkoe+bVzxk mJkQ== X-Gm-Message-State: AGi0PuZHE8LKGr8uElYZ8PrueoSGKIa35ivprxfqmoEubru+tyd7q4a7 lNQtlcQaYgpj17qEpXEV/y9GLS9pZmqQRYM+QkEV0Ey1kiHOb6O4FuWXUQJhbXQQ8YkCfeejkgt QyOwQEwkMOlE8IbEwaxM= X-Received: by 2002:a05:6102:382:: with SMTP id m2mr9082806vsq.141.1588781642569; Wed, 06 May 2020 09:14:02 -0700 (PDT) X-Google-Smtp-Source: APiQypKgI+4R8/89++AhOvSS6ImSn7G9dfIcM8xtaMVMKW+WezaNLiastYrS/lEPKIN47hINLHz3gjIO+Eyo+/8Y8rY= X-Received: by 2002:a05:6102:382:: with SMTP id m2mr9082729vsq.141.1588781641926; Wed, 06 May 2020 09:14:01 -0700 (PDT) MIME-Version: 1.0 References: <20200504174552.6700-1-drc@linux.vnet.ibm.com> <20200504210347.24094-1-drc@linux.vnet.ibm.com> In-Reply-To: <20200504210347.24094-1-drc@linux.vnet.ibm.com> From: David Marchand Date: Wed, 6 May 2020 18:13:50 +0200 Message-ID: To: David Christensen Cc: dev X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [dpdk-dev] [PATCH v2] eal: fix rte_memcpy build on ppc with gcc 9.3 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" On Mon, May 4, 2020 at 11:04 PM David Christensen wrote: > > Building DPDK on Ubuntu 20.04 with GCC 9.3.0 results in a "subscript is > outside array bounds" message in rte_memcpy function. The build error > is caused by an interaction between __builtin_constant_p and > "-Werror=3Darray-bounds" as described in this bugzilla: Good to know, thanks. > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D90387 > > Modify the code to disable the array-bounds check for GCC versions 9.0 > to 9.3. > Cc: stable@dpdk.org > Signed-off-by: David Christensen Applied, thanks. --=20 David Marchand