From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f172.google.com (mail-qt0-f172.google.com [209.85.216.172]) by dpdk.org (Postfix) with ESMTP id C65CC5598 for ; Thu, 17 Nov 2016 19:28:10 +0100 (CET) Received: by mail-qt0-f172.google.com with SMTP id c47so140189147qtc.2 for ; Thu, 17 Nov 2016 10:28:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to; bh=HqI+biQP8zPPZuYQLIOwP/5NVioeuNvOIbbD/34u+e4=; b=J5UwPgC6uR7gaZ26HXoFqspqiWcoI2hPgdGSsgCPmqzwqIy0fPqOK9odOjCDp7jIku mo0tyQuTvGyWLHIzzeDyUa8I9zieDJuG6ZS1KeVEonHxoh4KBaofWuoqL4xYTvxnhxh4 +xCFMwCQVhGNHkPJYxg1AoDHQIgND3NziuzXRTJkhOZgCaHgbYqavBS0CvpYuBZ70Vy2 H0bB0fOYpaUq/IeQ94W9NOxPuvvnSGRBOoNFKr6b3oizfJLpuu7VpCiqqxVixXbQ08bN ySAyj0dNMdQH/0TyVsaigMSAWgkq7gxYClOLJf4v2ZBzPu8SIwkYJOGZwQOmiSYfAJMG JWaA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=HqI+biQP8zPPZuYQLIOwP/5NVioeuNvOIbbD/34u+e4=; b=YXOR6jaxPq+sCBk4EwWHLs5oRJ3yIYSpywF3NuE3Jh+LumrqTCeyFTp9wjky5eNVkG gLeNZGYyIfXqcuY1sa1gxpH6lDMTjYPKHoA1OJeSPiBx2TMybLivpubXeoUg10lZCxps SuGg+R4s1k0jenBpjH/fqZBiblIe+PqvcmS2d4j/NxqGszKf5pbahnHOE9MYyoiq+2BG Ekc5sCNUqT4nu6vXpm58FudnnGs6MsgbwxDq6gKzu7quq7yGeP+ZyMCMlAUzDsFKsRSa FeLc7nsCU2eJSuQM3eXRgEQ/EF6kr2kwpnNM0gQhOyt7QGvXAtwONw4ZQwpbCGbpZ2Qy tGKQ== X-Gm-Message-State: AKaTC03FwFfBWGzkEcSy1Fj3we1HMT4IUc6NM6A8W0g00XbOZA1+fjyJ1nsmJwYjx9wbbtSD6v9f6dYoIOhC7Q== X-Received: by 10.200.56.118 with SMTP id r51mr3035256qtb.209.1479407290093; Thu, 17 Nov 2016 10:28:10 -0800 (PST) MIME-Version: 1.0 Received: by 10.237.34.77 with HTTP; Thu, 17 Nov 2016 10:27:49 -0800 (PST) From: James Huang Date: Thu, 17 Nov 2016 10:27:49 -0800 Message-ID: To: users@dpdk.org Content-Type: text/plain; charset=UTF-8 Subject: [dpdk-users] DPDK Linux kernel version requirement X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Nov 2016 18:28:11 -0000 Hi, Nice to join DPDK community. read from DPDK system requirements for Linux (http://dpdk.org/doc/guides/linux_gsg/sys_reqs.html) Kernel version >= 2.6.34 I'd like to know if there is any reason to block DPDK build and run on older kernel version, i.e. 2.6.32, as carried on CentOS 6. where gcc=4.4. Could we just keep our CentOS 6 64bit x86_64 OS and continuing running 32bit applications with DPDK injected. or, there are good reasons *must* upgrade to CentOS 7, where kernel=3.10.0, gcc=4.8, and re-build applications to 64bit as well? Thanks a lot! James