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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 BFDE0C433E1 for ; Mon, 29 Jun 2020 20:45:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9A4CE206C0 for ; Mon, 29 Jun 2020 20:45:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="M9ZSb4qo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389731AbgF2Upp (ORCPT ); Mon, 29 Jun 2020 16:45:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43358 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731566AbgF2TN5 (ORCPT ); Mon, 29 Jun 2020 15:13:57 -0400 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E894C08EB01 for ; Sun, 28 Jun 2020 23:18:50 -0700 (PDT) Received: by mail-pf1-x441.google.com with SMTP id q17so7445824pfu.8 for ; Sun, 28 Jun 2020 23:18:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=g0c7XOOnQF00ZfjeTQGIw9PaJthVip/aX3zS1dRtJoE=; b=M9ZSb4qoWIq549nkDC9nITi2Y+iOVB3dYWRDDV3WRmfzVjtQks65kDEF7l1+ij9SlB Ohi65fuChmNNYze5qrvJVk6IOjVJ/rxa8jvdv0qO+qmBCzMBaCbtUOo4//H/OjguzP5R T/UGeSUbVaM1bo/CG0rdGvwUKCmIM2bIikow4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=g0c7XOOnQF00ZfjeTQGIw9PaJthVip/aX3zS1dRtJoE=; b=daR3UDIJ7K/RJpApQ8DwUWSM1bzWt2R3+hEHK3chSwwTRNPbwULKJ/wZQUJzxZgLvj Y2bvHHotB47XtygRQ2HvknKCYexle1VCKphe58Agj3Qv2PTZMwRw5sIZ+aFmPor2cj2A MO6a0FbG5maZ0Pz9+4e4nPy69wZqERyGEwrxZof6oLekZO3NWVa87O+tyJbu4nnz1QKh 7bnolxI7FhYx0SYqQ7mHkrvSMQqMO+vw7cJNkWYA37z3zP2wKsBPzzYazCliEVO4Lgqp k6fSul9C1Gx2C+k8jmqHadreDHJKrxZ0nscSWPE54VTx3CGUBjwy2QM2SjyhJp5DUeKh DMAQ== X-Gm-Message-State: AOAM530Vyq62UeWWzpfbidr4dTKCs5CWMs2KiAXvNlElXzXTvjIsKoRv aU0rl/3V+ZOSOxGnYkWwXDv/Pg== X-Google-Smtp-Source: ABdhPJw58QIF5f/Yv5c9CUFM9Nx42xHsS2ePKHv+mXeT2M6dXWhB9Q/p3SvpYavVwb4WSrkztjUiRQ== X-Received: by 2002:a63:4419:: with SMTP id r25mr2949678pga.198.1593411530134; Sun, 28 Jun 2020 23:18:50 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id q10sm34391423pfk.86.2020.06.28.23.18.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Jun 2020 23:18:47 -0700 (PDT) From: Kees Cook To: Will Deacon Cc: Kees Cook , Catalin Marinas , Mark Rutland , Ard Biesheuvel , Peter Collingbourne , James Morse , Borislav Petkov , Thomas Gleixner , Ingo Molnar , Russell King , Masahiro Yamada , Arvind Sankar , Nick Desaulniers , Nathan Chancellor , Arnd Bergmann , x86@kernel.org, clang-built-linux@googlegroups.com, linux-arch@vger.kernel.org, linux-efi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 07/17] arm64/build: Use common DISCARDS in linker script Date: Sun, 28 Jun 2020 23:18:30 -0700 Message-Id: <20200629061840.4065483-8-keescook@chromium.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200629061840.4065483-1-keescook@chromium.org> References: <20200629061840.4065483-1-keescook@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use the common DISCARDS rule for the linker script in an effort to regularize the linker script to prepare for warning on orphaned sections. Additionally clean up left-over no-op macros. Signed-off-by: Kees Cook Acked-by: Will Deacon --- arch/arm64/kernel/vmlinux.lds.S | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S index 55ae731b6368..b5a94ec1eada 100644 --- a/arch/arm64/kernel/vmlinux.lds.S +++ b/arch/arm64/kernel/vmlinux.lds.S @@ -6,6 +6,7 @@ */ #define RO_EXCEPTION_TABLE_ALIGN 8 +#define RUNTIME_DISCARD_EXIT #include #include @@ -89,10 +90,8 @@ SECTIONS * matching the same input section name. There is no documented * order of matching. */ + DISCARDS /DISCARD/ : { - EXIT_CALL - *(.discard) - *(.discard.*) *(.interp .dynamic) *(.dynsym .dynstr .hash .gnu.hash) *(.eh_frame) -- 2.25.1