From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A877C19759 for ; Thu, 1 Aug 2019 06:08:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 49C32214DA for ; Thu, 1 Aug 2019 06:08:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729260AbfHAGI6 (ORCPT ); Thu, 1 Aug 2019 02:08:58 -0400 Received: from outbound.smtp.vt.edu ([198.82.183.121]:39566 "EHLO omr1.cc.vt.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725790AbfHAGIz (ORCPT ); Thu, 1 Aug 2019 02:08:55 -0400 Received: from mr4.cc.vt.edu (smtp.ipv6.vt.edu [IPv6:2607:b400:92:9:0:9d:8fcb:4116]) by omr1.cc.vt.edu (8.14.4/8.14.4) with ESMTP id x7168snb006231 for ; Thu, 1 Aug 2019 02:08:54 -0400 Received: from mail-qt1-f197.google.com (mail-qt1-f197.google.com [209.85.160.197]) by mr4.cc.vt.edu (8.14.7/8.14.7) with ESMTP id x7168ns6027508 for ; Thu, 1 Aug 2019 02:08:54 -0400 Received: by mail-qt1-f197.google.com with SMTP id y19so63773962qtm.0 for ; Wed, 31 Jul 2019 23:08:54 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:in-reply-to:references :mime-version:content-transfer-encoding:date:message-id; bh=6XW54QGy7hHRbK3i8IBYCrpdCQ6OjXGnD1ZDLzSjmR8=; b=sm9oInBlXmfxLCwgUWXekJhDr1T550cXd6TjsePf6s3o/FuQJd13d74prOZEJNr0lq 5gR59URGx9cTXYTY4tqOfT36yXUN98eQzdiZsYj7seEDb+MrOso1uFGAXMZNvJfd96dA yJhiAaUa+iXHrOVWjEejkMiEt6myEh9ESi7fCdgs/vlu1hqJmfWKov6JC0UsTvQ1e5+e 1xluMU9MlFT/qXjgypxyiAppzc/7NEHv+e5XKXUoTgviOxgiJ14FSLyYmAvC2tNfU/jn 0LjeaEsz7HdrXvCjKpCRqgh7gB0e/XW63PbiV0Rvv8L/X6boxj23XpfwoQ5GwGcLNUYO Cujg== X-Gm-Message-State: APjAAAXfy1ROXCAkusL6I4U4stTHfM8rHwbMzbnwAnJqet74a6W/YQNm ggUlSP2yUhHmxguoGTfauIeVS8Bib87WppgoUYoTDHYSH1jLaTk4Qqq5Kok++Hb9MUS45Zxp12e 6R7etnD9hN0rJQaE2O1Hx8j/Aj3iR/keekHY= X-Received: by 2002:ac8:6702:: with SMTP id e2mr69131726qtp.317.1564639729401; Wed, 31 Jul 2019 23:08:49 -0700 (PDT) X-Google-Smtp-Source: APXvYqy674LHytXkZ7tAgkcnbVM3SObNLoijWBzBMhluJZCsf92j6uvXGYGfGoUJUazPqASR/uaFGg== X-Received: by 2002:ac8:6702:: with SMTP id e2mr69131716qtp.317.1564639729137; Wed, 31 Jul 2019 23:08:49 -0700 (PDT) Received: from turing-police ([2601:5c0:c001:4341::7ca]) by smtp.gmail.com with ESMTPSA id y3sm33499963qtj.46.2019.07.31.23.08.47 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 31 Jul 2019 23:08:48 -0700 (PDT) From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Google-Original-From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Mailer: exmh version 2.9.0 11/07/2018 with nmh-1.7+dev To: Ard Biesheuvel Cc: Arnd Bergmann , Herbert Xu , "David S. Miller" , "open list:HARDWARE RANDOM NUMBER GENERATOR CORE" , Linux Kernel Mailing List Subject: Re: [PATCH] linux-next 20190731 - aegis128-core.c fails to build In-Reply-To: References: <13353.1564635114@turing-police> <32521.1564638419@turing-police> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1564639726_11794P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Thu, 01 Aug 2019 02:08:46 -0400 Message-ID: <1166.1564639726@turing-police> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_1564639726_11794P Content-Type: text/plain; charset=us-ascii On Thu, 01 Aug 2019 09:04:11 +0300, Ard Biesheuvel said: > The fact that crypto_aegis128_have_simd() does get optimized away, but > crypto_aegis128_update_simd() doesn't (which is only called directly > and not via a function pointer like the other two routines) makes me > suspicious that this is some pathology in the compiler. Is this a > distro build of gcc? Also, which architecture are you compiling for? It's the Fedora Rawhide build on x86_64. [/usr/src/linux-next] gcc --version gcc (GCC) 9.1.1 20190605 (Red Hat 9.1.1-2) Copyright (C) 2019 Free Software Foundation, Inc. This is free software; see the source for copying conditions. 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