Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935962AbcLOM2j (ORCPT ); Thu, 15 Dec 2016 07:28:39 -0500 Received: from smtp-out6.electric.net ([192.162.217.195]:59058 "EHLO smtp-out6.electric.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751266AbcLOM2h (ORCPT ); Thu, 15 Dec 2016 07:28:37 -0500 From: David Laight To: "'Hannes Frederic Sowa'" , "Jason A. Donenfeld" CC: Netdev , "kernel-hardening@lists.openwall.com" , Jean-Philippe Aumasson , LKML , "Linux Crypto Mailing List" , "Daniel J . Bernstein" , Linus Torvalds , Eric Biggers Subject: RE: [PATCH v2 1/4] siphash: add cryptographically secure hashtable function Thread-Topic: [PATCH v2 1/4] siphash: add cryptographically secure hashtable function Thread-Index: AQHSVlXqRQkWzQTQMEKnoUhn/mXjb6EI16gAgAAXtACAAAD1UA== Date: Thu, 15 Dec 2016 12:28:28 +0000 Message-ID: <063D6719AE5E284EB5DD2968C1650D6DB02402C0@AcuExch.aculab.com> References: <20161214035927.30004-1-Jason@zx2c4.com> <8ea3fdff-23c4-b81d-2588-44549bd2d8c1@stressinduktion.org> <063D6719AE5E284EB5DD2968C1650D6DB02401ED@AcuExch.aculab.com> <707472e1-b385-836d-c4c6-791c1dcc0776@stressinduktion.org> In-Reply-To: <707472e1-b385-836d-c4c6-791c1dcc0776@stressinduktion.org> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.202.99.200] Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 X-Outbound-IP: 213.249.233.130 X-Env-From: David.Laight@ACULAB.COM X-Proto: esmtps X-Revdns: X-HELO: AcuExch.aculab.com X-TLS: TLSv1:AES128-SHA:128 X-Authenticated_ID: X-PolicySMART: 3396946, 3397078 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id uBFCShg6027419 Content-Length: 269 Lines: 12 From: Hannes Frederic Sowa > Sent: 15 December 2016 12:23 ... > Hmm? Even the Intel ABI expects alignment of unsigned long long to be 8 > bytes on 32 bit. Do you question that? Yes. The linux ABI for x86 (32 bit) only requires 32bit alignment for u64 (etc). David