From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from alln-iport-7.cisco.com (alln-iport-7.cisco.com [173.37.142.94]) by dpdk.org (Postfix) with ESMTP id 93DB0A48A for ; Tue, 17 Apr 2018 23:18:05 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=998; q=dns/txt; s=iport; t=1523999885; x=1525209485; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=yt+z7BclxBriHifkFsW5ExjaDFRj9ENC60u8J0+0KfI=; b=YRVdxN7qJA25WENec9jRLxE3mCh5epI6Yns0+oYPjNcJ/F2Pks9JwjuF rUv7NeyMTe24q5c+GYISqaz8VdSLvDJhOGVzbnffEei7pfHg0jLFc4Sk9 o15jbR9KBBthPIj4c5toftAhH6zhi3E4rQ7hxtsStxme/C8uIZ2S+4CPX k=; X-IronPort-AV: E=Sophos;i="5.48,464,1517875200"; d="scan'208";a="100128995" Received: from rcdn-core-4.cisco.com ([173.37.93.155]) by alln-iport-7.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Apr 2018 21:18:04 +0000 Received: from [10.116.152.98] (rtp-rmelton-nitro-ap.cisco.com [10.116.152.98]) by rcdn-core-4.cisco.com (8.14.5/8.14.5) with ESMTP id w3HLI2Pd023206; Tue, 17 Apr 2018 21:18:04 GMT To: Stephen Hemminger , Jim Murphy Cc: "David Harton (dharton)" , "dev@dpdk.org" References: <9315b1fd275c48508640f4553be62d0b@XCH-RCD-016.cisco.com> <20180417134624.515c6848@xeon-e3> From: Roger B Melton Message-ID: <7d058c65-b14e-037a-e08c-199183d7c1a4@cisco.com> Date: Tue, 17 Apr 2018 17:18:02 -0400 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <20180417134624.515c6848@xeon-e3> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Subject: Re: [dpdk-dev] Retire x86 32 bit? 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: Tue, 17 Apr 2018 21:18:06 -0000 On 4/17/18 4:46 PM, Stephen Hemminger wrote: > On Tue, 17 Apr 2018 13:01:14 -0700 > Jim Murphy wrote: > >> Still used in certain memory constrained environments. >> >> >> On Tue, Apr 17, 2018 at 11:39 AM, David Harton (dharton) >> wrote: >> >>> It is used and tested in production and non-production environments. >>> >>> Regards, >>> Dave >>> >>>> -----Original Message----- >>>> From: dev On Behalf Of Stephen Hemminger >>>> Sent: Tuesday, April 17, 2018 2:31 PM >>>> To: dev@dpdk.org >>>> Subject: [dpdk-dev] Retire x86 32 bit? >>>> >>>> I wonder if x86 32 bit is still useful? >>>> Many distributions no longer support it, and not sure if it is tested >>>> througly by anyone. >>>> >>>> Maybe time to deprecate it (gradually)? >>> > Pure 32 bit, or x86-64 instructions and registers used in 32 bit mode (which can be faster). > . > Pure 32bit in our case.  We do not use x32 ABI. -Roger