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=-12.8 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT 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 B5F83C433E7 for ; Wed, 2 Sep 2020 23:00:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F4EC2078E for ; Wed, 2 Sep 2020 23:00:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=google.com header.i=@google.com header.b="kHS9kTsj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727037AbgIBW7m (ORCPT ); Wed, 2 Sep 2020 18:59:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726948AbgIBW73 (ORCPT ); Wed, 2 Sep 2020 18:59:29 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5778DC061244 for ; Wed, 2 Sep 2020 15:59:29 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id v77so888840ybi.2 for ; Wed, 02 Sep 2020 15:59:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=kC9uVdCEcRAgEe8ChNSdUEhwx4IluKYz275BuoXca/s=; b=kHS9kTsjdyybrPRRh1qzo1Q9p5HXl97DTyQi8Ig7QdwFanfBMMRYPubiF4wXhWjx/B G//9aTswJOah0M6r4u8L37aVWGM7WPSl6VMiT1j+014KpVFyreLGoAgOpwaY/Gw7ZoJw p3MUJsaUTes9X/AGRZGjKtyARBD036fW3y+OqjSwqoylryW0fxU+pFInGIlwYJYlTfVP NGtlSMYpV6CTuctHEHN/rmeYWsovW6rjGgO5V6ZG3u5Sq9kuwgGQ6SSa/j0StnOn89q5 Cy99SWCoEx48IofSzObJSD0Qd8MHnxLj9omD4FyC+T7eCdaC9jL/FlYhCqtqfa8SBtQ3 jqKg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=kC9uVdCEcRAgEe8ChNSdUEhwx4IluKYz275BuoXca/s=; b=T2JPxgW9jV4CYOWJTll+oZypqp+oGb20rOQX2ALdXFgu88U5y37jMZY33IdA14f1c/ tPhpuGzKzhwCLwPkskCzrd4eyNHaZRDK1IZX3UTJaxrKbS2D7FN8evyhe+WqJnin2bwM 4wJzATPcrLtsF2CotH0oO4EpTIcnCRWVKg2ZFWX2vVl7+Dm3556ZOZWnO3dDRbSRl8Pm tpk75a0K6eRcNRwnk1gXNkSN6ycZsRMFBZhJ42N9/w6QifYS03BTgIqoop2y7gPPHClB lGR8cPElGcJUcA0bB4BdFhhwAQ46aQz+rTtUs8mZtljKlo+OMuRxk62j/8WeqE7e18Rm NgHg== X-Gm-Message-State: AOAM530sAK+LDcheYNl3oaJXJB+8ofoT1LXavnFZzC48JQtGei+hSEt4 g/7bnBzmaWEIx6UgnA1Zy1wdhlRi/gSyaWCv2iI= X-Google-Smtp-Source: ABdhPJznmOvdxoCVGAwsxIwXXqRye+xTVNB/6ZAZtay1MiRq594GhkAr2a9QSmIABurLBYgNAT93Dhv/FB5gsu0Q3U8= X-Received: from ndesaulniers1.mtv.corp.google.com ([2620:15c:211:202:f693:9fff:fef4:4d25]) (user=ndesaulniers job=sendgmr) by 2002:a25:8b09:: with SMTP id i9mr1026ybl.149.1599087566495; Wed, 02 Sep 2020 15:59:26 -0700 (PDT) Date: Wed, 2 Sep 2020 15:59:07 -0700 In-Reply-To: <20200902225911.209899-1-ndesaulniers@google.com> Message-Id: <20200902225911.209899-4-ndesaulniers@google.com> Mime-Version: 1.0 References: <20200902225911.209899-1-ndesaulniers@google.com> X-Mailer: git-send-email 2.28.0.402.g5ffc5be6b7-goog Subject: [PATCH v3 3/7] Revert "arm64: bti: Require clang >= 10.0.1 for in-kernel BTI support" From: Nick Desaulniers To: Andrew Morton Cc: Kees Cook , Miguel Ojeda , Nathan Chancellor , 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, Nick Desaulniers Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This reverts commit b9249cba25a5dce5de87e5404503a5e11832c2dd. The minimum supported version of clang is now 10.0.1. Suggested-by: Nathan Chancellor Signed-off-by: Nick Desaulniers Reviewed-by: Kees Cook Reviewed-by: Nathan Chancellor --- arch/arm64/Kconfig | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 6d232837cbee..2a70b85b1a61 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1630,8 +1630,6 @@ config ARM64_BTI_KERNEL depends on CC_HAS_BRANCH_PROT_PAC_RET_BTI # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94697 depends on !CC_IS_GCC || GCC_VERSION >= 100100 - # https://reviews.llvm.org/rGb8ae3fdfa579dbf366b1bb1cbfdbf8c51db7fa55 - depends on !CC_IS_CLANG || CLANG_VERSION >= 100001 depends on !(CC_IS_CLANG && GCOV_KERNEL) depends on (!FUNCTION_GRAPH_TRACER || DYNAMIC_FTRACE_WITH_REGS) help -- 2.28.0.402.g5ffc5be6b7-goog