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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 80CE9C71156 for ; Mon, 30 Nov 2020 23:45:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 299B7207F7 for ; Mon, 30 Nov 2020 23:45:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="eIXhFNYr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388134AbgK3XpZ (ORCPT ); Mon, 30 Nov 2020 18:45:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49672 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387915AbgK3XpZ (ORCPT ); Mon, 30 Nov 2020 18:45:25 -0500 Received: from mail-ua1-x941.google.com (mail-ua1-x941.google.com [IPv6:2607:f8b0:4864:20::941]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0077EC0613D4 for ; Mon, 30 Nov 2020 15:44:44 -0800 (PST) Received: by mail-ua1-x941.google.com with SMTP id n18so141118ual.9 for ; Mon, 30 Nov 2020 15:44:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ja5iGBqziMZwVeGBVGC3tNT2ITsfFSrpoAOQrYPIRMQ=; b=eIXhFNYrQLrGwHzLPxYGVzWJa/DjXZ3+RK17U4inbSIH8/cLDO1KD8N72OM/zUzB53 8yZIeDx97sYjz1uuAvgXJWY765o7D+jPAp3RstXWhEiYWpp6ZfWnqW3rRJRO93eLdG7N 2D9TsLZvw7lNns1x8kWHXquH6wydBNpMO2aUV+NR7F+6FAuRbZwFPyrw1V0DxEKSqnp1 vdA7qZ099dTy0qixQPzpa9880t8pAmy3P49uy+98kt3oenJTnRXEAx2MWqQdTsTmzPcS FKM8rzdiYWV3COU/X3eovPeyZKHokoQStzQObR4NRJfYg5/2ZfrRz9fPrSbgCSdilzFy 91tw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ja5iGBqziMZwVeGBVGC3tNT2ITsfFSrpoAOQrYPIRMQ=; b=SzpvzDNXD9ptfpt959buNdWq32ymozw5wmzpncTbNnUsWwZtbNW8VDUTU3ZgWWOXJ8 7SSBRSzeAoE2p4NFCny7ExKH20P/Nus0KpBVzcDxcNFHDd4gpW+WnQ9ZQAVLeqM1zKEX gIXLu8QVFbYO7QOA+PSLRX72A2x9fe2CHrn540fEjxenX3opjFBEfMyrRrDKWZQ0J37I IYHS291JhkY7zDwfyDK+w8I4PXBa30xbA8vViQoQZGDGyQ+ToK3I6JYJoRVxGE+LyxwI ckYOC6UOsCbpMu3cLYG5dL/e6t40YVxNCCdnggtk5MqDxRrPzEalKlN3AxZXgr1wu7s3 u/jw== X-Gm-Message-State: AOAM531GIukSSJxmoNDb5mY4LFxKL61xVz6LhFpc6d/+oNWk+Edu3N11 CQR6yRDf31dxONI3DjkSX/fyF3/c6g4jj6D+W+Fkeg== X-Google-Smtp-Source: ABdhPJwCzKcJqz39IP46Bo7yz6o/13jgHbjOX0vtta6vuRLC/rbSBznCfSrqxtOCA/emfEwjuB/DVNaoOwhY3XJ9gtU= X-Received: by 2002:a9f:2595:: with SMTP id 21mr286471uaf.33.1606779883895; Mon, 30 Nov 2020 15:44:43 -0800 (PST) MIME-Version: 1.0 References: <20201118220731.925424-1-samitolvanen@google.com> <20201118220731.925424-15-samitolvanen@google.com> <20201130115222.GC24563@willie-the-truck> In-Reply-To: <20201130115222.GC24563@willie-the-truck> From: Sami Tolvanen Date: Mon, 30 Nov 2020 15:44:32 -0800 Message-ID: Subject: Re: [PATCH v7 14/17] arm64: vdso: disable LTO To: Will Deacon Cc: Masahiro Yamada , Steven Rostedt , Josh Poimboeuf , Peter Zijlstra , Greg Kroah-Hartman , "Paul E. McKenney" , Kees Cook , Nick Desaulniers , clang-built-linux , Kernel Hardening , linux-arch , linux-arm-kernel , linux-kbuild , LKML , linux-pci@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On Mon, Nov 30, 2020 at 3:52 AM Will Deacon wrote: > > On Wed, Nov 18, 2020 at 02:07:28PM -0800, Sami Tolvanen wrote: > > Disable LTO for the vDSO by filtering out CC_FLAGS_LTO, as there's no > > point in using link-time optimization for the small about of C code. > > "about" => "amount" ? Oops, I'll fix that in v8. Thanks! Sami