From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 074ED1B194 for ; Tue, 19 Sep 2017 15:33:31 +0200 (CEST) Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Sep 2017 06:33:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,418,1500966000"; d="scan'208";a="150936076" Received: from irsmsx154.ger.corp.intel.com ([163.33.192.96]) by orsmga005.jf.intel.com with ESMTP; 19 Sep 2017 06:33:09 -0700 Received: from irsmsx111.ger.corp.intel.com (10.108.20.4) by IRSMSX154.ger.corp.intel.com (163.33.192.96) with Microsoft SMTP Server (TLS) id 14.3.319.2; Tue, 19 Sep 2017 14:33:08 +0100 Received: from irsmsx103.ger.corp.intel.com ([169.254.3.49]) by irsmsx111.ger.corp.intel.com ([169.254.2.30]) with mapi id 14.03.0319.002; Tue, 19 Sep 2017 14:33:08 +0100 From: "Mcnamara, John" To: Chas Williams <3chas3@gmail.com>, "dev@dpdk.org" CC: "Richardson, Bruce" , "De Lara Guarch, Pablo" , Chas Williams Thread-Topic: [dpdk-dev] [PATCH] hash: document rte_jhash() boundary behavior Thread-Index: AQHTMLcRpkw7xdQFc0m5sDrdfmmNGqK8Nh1A Date: Tue, 19 Sep 2017 13:33:08 +0000 Message-ID: References: <20170918194740.23057-1-3chas3@gmail.com> In-Reply-To: <20170918194740.23057-1-3chas3@gmail.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ctpclassification: CTP_IC x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiNWI3ZDdlYzYtYWE0Yi00ZThmLThkYTEtMjIxNWU5MDEwYjJlIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX0lDIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE2LjUuOS4zIiwiVHJ1c3RlZExhYmVsSGFzaCI6IitTbjFCcm1EeDQ1OUZ3TVR6OUx3djd1cHJzU1ZGTWZNS1BmalBtdllpRUk9In0= dlp-product: dlpe-windows dlp-version: 11.0.0.116 dlp-reaction: no-action x-originating-ip: [163.33.239.180] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH] hash: document rte_jhash() boundary behavior 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, 19 Sep 2017 13:33:32 -0000 > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Chas Williams > Sent: Monday, September 18, 2017 8:48 PM > To: dev@dpdk.org > Cc: Richardson, Bruce ; De Lara Guarch, Pablo > ; Chas Williams > Subject: [dpdk-dev] [PATCH] hash: document rte_jhash() boundary behavior >=20 > From: Chas Williams >=20 > Due to the uint32_t accesses in the hash computation, keys that aren't > aligned to a uint32_t boundary or multiples of uint32_t in length, may se= e > accesses beyond the end of the key. This may cross a page boundary. >=20 > Signed-off-by: Chas Williams =20 Acked-by: John McNamara