Message ID | 20210323203946.2159693-18-samitolvanen@google.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-kbuild-owner@kernel.org> 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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=unavailable 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 7F99FC43619 for <linux-kbuild@archiver.kernel.org>; Tue, 23 Mar 2021 20:41:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C231619D6 for <linux-kbuild@archiver.kernel.org>; Tue, 23 Mar 2021 20:41:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233576AbhCWUkq (ORCPT <rfc822;linux-kbuild@archiver.kernel.org>); Tue, 23 Mar 2021 16:40:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45096 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233581AbhCWUkX (ORCPT <rfc822;linux-kbuild@vger.kernel.org>); Tue, 23 Mar 2021 16:40:23 -0400 Received: from mail-qv1-xf4a.google.com (mail-qv1-xf4a.google.com [IPv6:2607:f8b0:4864:20::f4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50FE4C0613E7 for <linux-kbuild@vger.kernel.org>; Tue, 23 Mar 2021 13:40:21 -0700 (PDT) Received: by mail-qv1-xf4a.google.com with SMTP id u8so24234qvm.5 for <linux-kbuild@vger.kernel.org>; Tue, 23 Mar 2021 13:40:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=WZ2fsTX5FLJhX01BulIdj9aVU+u+1SaaqVDcWrlk7vo=; b=ec/02RNqMxC3NtjfEqCKWLv4qwmQTmHrkXsCeNO2KBn8qSqKzTE24FKGqfuKH+TVkK X/VKFkbL4vsRYCrPeFIrZP8DeiwqKS96n7WGnqpK5r2/VAz0Iab+2cnLr9ixgbVx3i2+ bJO7ki2MVhZqoAWHQEzmE5B7oTVS3IIOSVMH6lZh48SF/0j7bgW6jHNwPIk8gKuBLJqR 4qQ5N4v6mKVofR2cSUqiTSphpJlczKzRN+vOPaGMsYJ3GFsS6r9eXFPtqA3WSVhoq05F zPIbSYNFmagSwu4VxL+cE8EfslHOGZyTYBOn5X3fzMMM4mw38aQ1r1FrLS9fBfhCQ2tj 1law== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=WZ2fsTX5FLJhX01BulIdj9aVU+u+1SaaqVDcWrlk7vo=; b=Uo3IqxPgjWpLfGoDXjbTEdSmmesb41y4Myc3zj6hAuzdB1gq10eKN+5pIaUo541aBB yJPUoTBT/GEOH2QHksSoOzOWPO5fWKHkzeJNaa5U/iXmVnzhzyyo5khTWb4G/NPQhNYS /akCw2QauOPpGRBFQMxk+N7s8j0jdk5jc9jo9KsmbKye0WdMXmZxQ7h/QNtp/7HJMbCe OUSK/QZZpjZQLnPFYeSk+fSM36yVecdVFnrtAI90cAlF0dwe2seI0FWrqZqoa47SDphg /1UOZ3N2fXYNgH194ZAkjWe6vuWAI/Ye9oeyZJwfsN1dRlqups488/OoD/CwxJmEBx+T JoUA== X-Gm-Message-State: AOAM533kJ8Otn314LrwIjD+AmvuI+vDloEy69UF0wgV4mZAK7svEQSCH nViAK0gxO6KQyY7a/BDsWlYQwX6DFSvnRZG1CfM= X-Google-Smtp-Source: ABdhPJyxpPvs3kGL5X0rhxaceHJDwoHelX5/WOAlmnNB1fMlzzx1j3iwVr8PFhB1zHKJQ3nkMRVGiRyWH5xdyb6dFU8= X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:e9a3:260d:763b:67dc]) (user=samitolvanen job=sendgmr) by 2002:a0c:bec3:: with SMTP id f3mr6577376qvj.49.1616532020445; Tue, 23 Mar 2021 13:40:20 -0700 (PDT) Date: Tue, 23 Mar 2021 13:39:46 -0700 In-Reply-To: <20210323203946.2159693-1-samitolvanen@google.com> Message-Id: <20210323203946.2159693-18-samitolvanen@google.com> Mime-Version: 1.0 References: <20210323203946.2159693-1-samitolvanen@google.com> X-Mailer: git-send-email 2.31.0.291.g576ba9dcdaf-goog Subject: [PATCH v3 17/17] arm64: allow CONFIG_CFI_CLANG to be selected From: Sami Tolvanen <samitolvanen@google.com> To: Kees Cook <keescook@chromium.org> Cc: Nathan Chancellor <nathan@kernel.org>, Nick Desaulniers <ndesaulniers@google.com>, Masahiro Yamada <masahiroy@kernel.org>, Will Deacon <will@kernel.org>, Jessica Yu <jeyu@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Tejun Heo <tj@kernel.org>, "Paul E. McKenney" <paulmck@kernel.org>, Christoph Hellwig <hch@infradead.org>, Peter Zijlstra <peterz@infradead.org>, bpf@vger.kernel.org, linux-hardening@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Sami Tolvanen <samitolvanen@google.com> Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: <linux-kbuild.vger.kernel.org> X-Mailing-List: linux-kbuild@vger.kernel.org |
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Add support for Clang CFI
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diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 5656e7aacd69..2eefdbc3e3c9 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -75,6 +75,7 @@ config ARM64 select ARCH_SUPPORTS_SHADOW_CALL_STACK if CC_HAVE_SHADOW_CALL_STACK select ARCH_SUPPORTS_LTO_CLANG if CPU_LITTLE_ENDIAN select ARCH_SUPPORTS_LTO_CLANG_THIN + select ARCH_SUPPORTS_CFI_CLANG select ARCH_SUPPORTS_ATOMIC_RMW select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && (GCC_VERSION >= 50000 || CC_IS_CLANG) select ARCH_SUPPORTS_NUMA_BALANCING