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=-9.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 3AA26C433E2 for ; Tue, 1 Sep 2020 04:57:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1335B208CA for ; Tue, 1 Sep 2020 04:57:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Cs79uMAB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726503AbgIAE5K (ORCPT ); Tue, 1 Sep 2020 00:57:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726006AbgIAE5H (ORCPT ); Tue, 1 Sep 2020 00:57:07 -0400 Received: from mail-qv1-xf44.google.com (mail-qv1-xf44.google.com [IPv6:2607:f8b0:4864:20::f44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1906C061290 for ; Mon, 31 Aug 2020 21:57:06 -0700 (PDT) Received: by mail-qv1-xf44.google.com with SMTP id cr8so1499624qvb.10 for ; Mon, 31 Aug 2020 21:57:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=RIJpNCkK5FQVXNXvvi2V2cWOQc/wyJO0hGvFWp5jPHE=; b=Cs79uMABpRcHICHGXIR5UMN8CCL+86nyKTUfm6aVs0CNG4j2/R2P0Di6lRIzOCONcq iFI4KV4IlHpaTOqg5fbPpUEgsEqagDlj0Mxd2ygYkRRG7BaYYt0Riui7D8e6HiZunYga vmrjS2EF6gmv5VWQVQKSg9oJTFkkEqRdhFmEHrO1H3h5yUhqS1rRP+tOJnadN483gmEv ewMWqcPVvxHcIqsSe753qvpdXz/g/NKYBC65btqZ6nCuWuk4iJBOOrws/Tdme8EwSfl+ ULxmvMGx3qmgw9ZvToluI3DQMnTX+4g2P6aitvxszBMrV9zLkEDrNs+s4UukK1uPK0Tc wrBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=RIJpNCkK5FQVXNXvvi2V2cWOQc/wyJO0hGvFWp5jPHE=; b=UnQolFEicvUXyzRVObqFfDBJFvJkWH1KU14ZMpAtru0iNUZw0ruZjdXAeTFJ1oQn8b xqY+ptqUAiwqISO6ywsrFCmCT47x0VXi1HqQsk+WOKe7GttdhUajmV0cBwYTYf31wBOt Piv/WUFn1kMMHA6RZImhZGwfHtJEY2O3Cq37B0ewM/WKG0GA1ozqrnKBMUUXxzJKdtSR rap4bqgmmQPAEY6lpoFowClvdWxyPLg1IUPTJXmpiQ9P2Kc6gpI0Syiq0jL1SXMrlS2i 7WjNEqxdFzMbdSOO2ptn1amOUioPJ9JoF2ldEsg39KkNIQvByf4FfpIRhsWJT0by6uyI iFhQ== X-Gm-Message-State: AOAM533pVV9V5pqT+6+bPj1B9Xj5LvX02eSHBx5tuiY55syA4ejkTOZ4 2eGxuaj8aaSjlFONtInwRvGYvOAyYIdIgw== X-Google-Smtp-Source: ABdhPJybU9gdtYkTPBNKo8L9h2z919ZHAf6Bnah9Dbx8ky5AnULI3NiQWtarOxjiL5n+4PrIb3IUCw== X-Received: by 2002:ad4:576c:: with SMTP id r12mr174085qvx.232.1598936226194; Mon, 31 Aug 2020 21:57:06 -0700 (PDT) Received: from ubuntu-n2-xlarge-x86 ([2604:1380:45d1:2600::1]) by smtp.gmail.com with ESMTPSA id j4sm210942qkd.129.2020.08.31.21.57.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Aug 2020 21:57:05 -0700 (PDT) Date: Mon, 31 Aug 2020 21:57:03 -0700 From: Nathan Chancellor To: Nick Desaulniers Cc: Andrew Morton , Kees Cook , Miguel Ojeda , Sedat Dilek , Marco Elver , Andrey Konovalov , Masahiro Yamada , clang-built-linux@googlegroups.com, Daniel Borkmann , Alexei Starovoitov , Will Deacon , Vincenzo Frascino , linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 5/7] Partial revert "ARM: 8905/1: Emit __gnu_mcount_nc when using Clang 10.0.0 or newer" Message-ID: <20200901045703.GD1561318@ubuntu-n2-xlarge-x86> References: <20200901002326.1137289-1-ndesaulniers@google.com> <20200901002326.1137289-6-ndesaulniers@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200901002326.1137289-6-ndesaulniers@google.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Nit: Partially in commit message? On Mon, Aug 31, 2020 at 05:23:24PM -0700, Nick Desaulniers wrote: > This partially reverts commit b0fe66cf095016e0b238374c10ae366e1f087d11. > > The minimum supported version of clang is now clang 10.0.1. We still > want to pass -meabi=gnu. Thank you for calling this out. > Suggested-by: Nathan Chancellor > Signed-off-by: Nick Desaulniers Reviewed-by: Nathan Chancellor > --- > arch/arm/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index 82c197a248dd..09a7669eea1d 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -83,7 +83,7 @@ config ARM > select HAVE_FAST_GUP if ARM_LPAE > select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL > select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL && !CC_IS_CLANG > - select HAVE_FUNCTION_TRACER if !XIP_KERNEL && (CC_IS_GCC || CLANG_VERSION >= 100000) > + select HAVE_FUNCTION_TRACER if !XIP_KERNEL > select HAVE_GCC_PLUGINS > select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7) > select HAVE_IDE if PCI || ISA || PCMCIA > -- > 2.28.0.402.g5ffc5be6b7-goog >