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 12D5FC433E2 for ; Tue, 1 Sep 2020 00:23:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E73D42073A for ; Tue, 1 Sep 2020 00:23:50 +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="YDk70Rux" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726489AbgIAAXp (ORCPT ); Mon, 31 Aug 2020 20:23:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726400AbgIAAXi (ORCPT ); Mon, 31 Aug 2020 20:23:38 -0400 Received: from mail-pf1-x449.google.com (mail-pf1-x449.google.com [IPv6:2607:f8b0:4864:20::449]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F3E60C061573 for ; Mon, 31 Aug 2020 17:23:37 -0700 (PDT) Received: by mail-pf1-x449.google.com with SMTP id x125so1676903pfc.4 for ; Mon, 31 Aug 2020 17:23:37 -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=x7hoSHeAWK5P4oeCQGgLVlcI02P7mwgUY7iVKcw4mtY=; b=YDk70RuxUX7JQxUoCoDpBMB4Nx2aegPpci+1o9QaktjEfeowcrNv+0ouGv724IqC8j E2Tqc64XZ/ymVWNhnLAcq3uKinmAGRj0iXaYmqfvusL+IBKOp3hXe8RzakZ5TZtykMsP H21xkmRpBkBTJmxSSOJ4IGQFh9HCTudfkATQ7LeIrQmZ7sueou1bCu0WJuOndNJDE2/1 MmheDrpYbHtKEjwVaDI+x3ZjkV64wIByHFUc90xTNlh5v7f9PVEri1cFA94LJwOlYH4q kd8a6w0sQ8Mvc1aLNaD6Rrj/d902fu/fbBEYwOJGOq6isRAf+dQf/mQPdQTlkcAmH9G+ 3Stg== 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=x7hoSHeAWK5P4oeCQGgLVlcI02P7mwgUY7iVKcw4mtY=; b=aqG1V8ditnppGvvrxCG+jgNv0VDEuKw2JLT6oLhd8jvJJYbtH0CSdNONR1moL8IZ1M 92dAeU31g7piPBMaQha8tTrPX64cqcXpgMrDuaxOwGC0bx3d4r2lsP3T85Xdgci1mWNg nOF+gIDLyTGAUsOT/b7l0NYcazPy8RxZ6D2O9ZaBH+CtnaSu3tcutPyGyWEnrUThQ5ES Ag47KfKpyRkAq6Zr64PtjdTyv+2IA58UNSzxXz3uWI1D7R5ioAy9uQMNT53pzl0+NPog 0cwp+r3WUS95PRezwXQt1/sLB7gCksCybbb+f3cCsIITTlbxLytHQ+crvrxTPhCtIKFF DyPQ== X-Gm-Message-State: AOAM530UrYQJHMJc5kQMxT606Qsx94zb4qv3vireG7ImR5s3ega3VV0u D1lBr2D4jZeOyniGkYH6dH/Rf4loIXMrJj1t0JE= X-Google-Smtp-Source: ABdhPJwED4nLxHhSz5AKhDraPa+/J0fY4ButKN1zuzXmRYkgkklqlX1iwDxieuNT/RU/gbhQkyoLgKvW/jlXNgldQ10= X-Received: from ndesaulniers1.mtv.corp.google.com ([2620:15c:211:202:f693:9fff:fef4:4d25]) (user=ndesaulniers job=sendgmr) by 2002:a62:4c5:0:b029:138:413e:3e65 with SMTP id 188-20020a6204c50000b0290138413e3e65mr782938pfe.3.1598919817460; Mon, 31 Aug 2020 17:23:37 -0700 (PDT) Date: Mon, 31 Aug 2020 17:23:22 -0700 In-Reply-To: <20200901002326.1137289-1-ndesaulniers@google.com> Message-Id: <20200901002326.1137289-4-ndesaulniers@google.com> Mime-Version: 1.0 References: <20200901002326.1137289-1-ndesaulniers@google.com> X-Mailer: git-send-email 2.28.0.402.g5ffc5be6b7-goog Subject: [PATCH v2 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 --- 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