From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by dpdk.org (Postfix) with ESMTP id 81E7C2082; Sun, 4 Nov 2018 21:56:51 +0100 (CET) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 0A3E320BA8; Sun, 4 Nov 2018 15:56:51 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Sun, 04 Nov 2018 15:56:51 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s=mesmtp; bh=XyxYwp9IhiOCETk076W/7ERib8pEamqjSdMq1UXK9SI=; b=jMAPIYb0VWC+ 1mWYlXiwRwG4XofIeNQH3xB/g6Myfb7PNEJH/4wVjTkgPC7zGdv9dSvq01+XNXRT wwhl0rFqDbQcEAIZrKdZGhLvcfowfkpECvwIhYLzRaNYSCi1ZFlYM4epAYZuXKgs MA+WFAWmktXULcZZfPK0cTifwQmUacg= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=XyxYwp9IhiOCETk076W/7ERib8pEamqjSdMq1UXK9 SI=; b=r4wfPfjANIyPt0XcD3Z3mjJLyBBxbS6ZqTt9C6Rc6TSJoxThSV7Se5CE9 uxt3bf54bHiyBBJTVj+TRv3iscqwy1ou/6NgMv2b4d4INybJfLhA3bqvkiaPnCWF J+XdoJA1YnynKT5cEjMN0X8W2hZV5XZPoggv/eB4TgiRk3pCpj1HrrRTSd5z8tPN Ds5QHTxjIQnrJyjSz0avk8ljRvrYxO4VdKJps41iNCjDNqXGv8TC2Y78AZj3xEUd mUothlc+fiaKjDPdZpGeobILQTxROvxwdwJcLy8k7yU0FjsKZ8IlKTX83iivnBDR eO+UCKktSb2TLSmIE8m8gWd9a/iNA== X-ME-Sender: X-ME-Proxy: Received: from xps.localnet (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 68E2B102F2; Sun, 4 Nov 2018 15:56:49 -0500 (EST) From: Thomas Monjalon To: Yongseok Koh Cc: dev@dpdk.org, "bruce.richardson@intel.com" , "ferruh.yigit@intel.com" , Shahaf Shuler , "konstantin.ananyev@intel.com" , "anatoly.burakov@intel.com" , "stable@dpdk.org" Date: Sun, 04 Nov 2018 21:56:47 +0100 Message-ID: <2863514.e87XU0Xy4P@xps> In-Reply-To: <20181103010623.42468-1-yskoh@mellanox.com> References: <20181023212318.43082-1-yskoh@mellanox.com> <20181103010623.42468-1-yskoh@mellanox.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH v3] build: disable gcc AVX512F support 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: Sun, 04 Nov 2018 20:56:51 -0000 03/11/2018 02:06, Yongseok Koh: > This is a workaround to prevent a crash, which might be caused by > optimization of newer gcc (7.3.0) on Intel Skylake. > > This disables AVX512F support of gcc by adding -mno-avx512f if it is > disabled in DPDK (CONFIG_RTE_ENABLE_AVX512=n). > > This does not apply to the meson build as that doesn't have such an option > but always enable AVX512F whenever supported. > > Bugzilla ID: 97 > > Cc: stable@dpdk.org > > Signed-off-by: Yongseok Koh Applied, thanks