From patchwork Fri Mar 12 00:49:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sami Tolvanen X-Patchwork-Id: 12133487 X-Patchwork-Delegate: bpf@iogearbox.net 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 A6AA3C28E87 for ; Fri, 12 Mar 2021 00:50:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7858364F95 for ; Fri, 12 Mar 2021 00:50:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231596AbhCLAuV (ORCPT ); Thu, 11 Mar 2021 19:50:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231294AbhCLAty (ORCPT ); Thu, 11 Mar 2021 19:49:54 -0500 Received: from mail-qt1-x84a.google.com (mail-qt1-x84a.google.com [IPv6:2607:f8b0:4864:20::84a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3640BC061760 for ; Thu, 11 Mar 2021 16:49:54 -0800 (PST) Received: by mail-qt1-x84a.google.com with SMTP id m35so7149913qtd.11 for ; Thu, 11 Mar 2021 16:49:54 -0800 (PST) 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=Wy+IwcbFe5iyl37uDl+oXBLCNbLEHUQXvTEZYf7ymx8=; b=TFaPttpAjNfe+2iixUj6bfpglHAqdyJonN+f/D/N4GxhYzufIVNkNGd52Z481IiXLa J7zK9PmVKfZgaMXiBRQ+GQtnc7Vrgn9nMBlfx1v+5B/BOEhThUKYOHdycFINi66rsJ9n k+rlStscftY35kfr5wg7QYXNcjmxPrl9goemzUQa08kgwYkcgPAmxhdD5RlWO5s5tIcf 2Qxw4fQhL1ORNIz5WRig2l6/Q8mJ6txwoQqqPLf970ALae7jjgaj4GvNENLYY1wAqFr7 2UZoruoI+cwg1gYH1874qrh6FP4ZiB0odU/ppmrbRZZrBthB+1LqWzxw8PqfRpKrDzFV 7Wvg== 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=Wy+IwcbFe5iyl37uDl+oXBLCNbLEHUQXvTEZYf7ymx8=; b=L93WCpAeWEjMxsGi6SswS45entBZmR5/uy9nm0XNzqEy/3VZjyOvlBQJrVICug6Fww b7wXYSGsgaxgU16jgA9jU1WPsmvys9tFRdCn65XiNDjkaNKUUHxIBm9DunnCNMojJPcI ZsWiK7RychY5YgV1uOTIoK2Tna0gcGg5Ze9rUc/A812aoUv0XV1Ve6SWTXndWu02YOPa KfkyPIKos/ay60kv3sc83KCzqeh1SjLliZu0Uyq5Cr4NfhwEeMz7u9wKqtHEQYsmwzqu JzG3r+w8wLGnNnbr8Ku8CB5TTk8F9xexwtEl+SMs99YQXNNoqvNEtaD/OSFog8f285Ie rztQ== X-Gm-Message-State: AOAM5323VnpIEY5r5JiNLIiu8oYz8fsL20+KTAajZPu9FINw+BYRFKWj Sh6Y1UaLUSevFT/vGx+Kj1ruN6TRP4x6IvhG0LQ= X-Google-Smtp-Source: ABdhPJznSvPJLG6qaFoP2kj2Ov4WrW1xkoR+hl4AeQuvmUyvA146uVMjKfz/DR0rMwbjq3TBrHrovQw5xd3PO2vJOjg= X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:c86b:8269:af92:55a]) (user=samitolvanen job=sendgmr) by 2002:ad4:50c7:: with SMTP id e7mr10016068qvq.58.1615510193452; Thu, 11 Mar 2021 16:49:53 -0800 (PST) Date: Thu, 11 Mar 2021 16:49:19 -0800 In-Reply-To: <20210312004919.669614-1-samitolvanen@google.com> Message-Id: <20210312004919.669614-18-samitolvanen@google.com> Mime-Version: 1.0 References: <20210312004919.669614-1-samitolvanen@google.com> X-Mailer: git-send-email 2.31.0.rc2.261.g7f71774620-goog Subject: [PATCH 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 , 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 Precedence: bulk List-ID: X-Mailing-List: bpf@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 1f212b47a48a..6be5b61a0f17 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