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=-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 A9715C001EA for ; Wed, 31 Mar 2021 21:28:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A26561076 for ; Wed, 31 Mar 2021 21:28:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232893AbhCaV2X (ORCPT ); Wed, 31 Mar 2021 17:28:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51950 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232937AbhCaV17 (ORCPT ); Wed, 31 Mar 2021 17:27:59 -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 2F6D5C061574 for ; Wed, 31 Mar 2021 14:27:59 -0700 (PDT) Received: by mail-qv1-xf4a.google.com with SMTP id bt20so2117622qvb.0 for ; Wed, 31 Mar 2021 14:27:59 -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=lk8inZlzo7fNLcnXaQ1bMqH+Yl1xnIiMxwLQYqKIvN0=; b=Vn+IV2jTMQ3qfrTZI0BaCIvipMQjXnOyPVdlyPeO2A1ydhmBtiQ0/KPQbFLprUQsKz XEsE22KBNeTSVCxLa9BdhULZj1AuDO/PaWmw/EF9j8xlXX10FsmT0+B+8p/x/fbzZqXB ioPa4cOo0iYeLpwms5O94L4r44baMvUxEDLYiQ4o+KUu+SAM7a1CX7s/NWI/L7SfPxrM Ua/5ZcXDAjzY32eJHiQGKkogawbLWhdKE06AvSW60VNJY10icae6GpzRlVISoSMCZyJ1 ZgYMtg4qfAmuFnaNGf+3dlT/SZspW5x0yX39FkVTOC7fQmzwrn8FU2ClEoHTyE8AdE0d Bd6Q== 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=lk8inZlzo7fNLcnXaQ1bMqH+Yl1xnIiMxwLQYqKIvN0=; b=gai+H1yitYWYyC42abLu4w5xhxUV+4kgrRCh5uiqjxDgSqiNdqFiQIsblDvRCn0lrJ xah2npVzJmi5rezHhE0b7eOgli7mRL8TJw48rmDdp6l3H3wk7ErWkVGt1TwK5tEMJohB QxvcK/W+E9wYbSnTj+BOlfVmz5TNsLpqeVRrNQziATX/p4rMsgRZt6bHsMEbuVDaMDZi uqf40VGo4RbBPKDiSf1I28d8j7SnnNMOa2UmLHImbfTL03LxFA6rtDcbVLxNWBIcPRkd AZT6ERB8JFAr9WzZebDTlSzU4xaBdBh6nSahJmIIcdswglrWMC96rdVCy0gujOYNcZQ1 qifg== X-Gm-Message-State: AOAM533RY+89p5soP10jPrbHoZQXNazpCtMm22Z//VsMcYwzgjiCRhRv uTK/ZR1nF1yYYcu9r4gxso/WjbkLCIV+fm1T5gI= X-Google-Smtp-Source: ABdhPJxbLnYVkEE3SX2BDreH5/lfjqbV3qQJ9QM78vYg3uiCL7YeQbGCVkgbIG/Qv+7aSalIOwO+SwFDW3TO97SD7KU= X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:7933:7015:a5d5:3835]) (user=samitolvanen job=sendgmr) by 2002:a0c:e148:: with SMTP id c8mr5184451qvl.56.1617226078315; Wed, 31 Mar 2021 14:27:58 -0700 (PDT) Date: Wed, 31 Mar 2021 14:27:21 -0700 In-Reply-To: <20210331212722.2746212-1-samitolvanen@google.com> Message-Id: <20210331212722.2746212-18-samitolvanen@google.com> Mime-Version: 1.0 References: <20210331212722.2746212-1-samitolvanen@google.com> X-Mailer: git-send-email 2.31.0.291.g576ba9dcdaf-goog Subject: [PATCH v4 17/17] arm64: allow CONFIG_CFI_CLANG to be selected From: Sami Tolvanen To: Kees Cook Cc: Nathan Chancellor , Nick Desaulniers , Masahiro Yamada , Will Deacon , Jessica Yu , Arnd Bergmann , Tejun Heo , "Paul E. McKenney" , Christoph Hellwig , Peter Zijlstra , Sedat Dilek , 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, clang-built-linux@googlegroups.com, Sami Tolvanen Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-hardening@vger.kernel.org Select ARCH_SUPPORTS_CFI_CLANG to allow CFI to be enabled. Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index e4e1b6550115..d7395772b6b8 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 -- 2.31.0.291.g576ba9dcdaf-goog