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 44728C4338F for ; Mon, 23 Aug 2021 17:14:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E24A613E6 for ; Mon, 23 Aug 2021 17:14:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232268AbhHWRPD (ORCPT ); Mon, 23 Aug 2021 13:15:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40078 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231799AbhHWROi (ORCPT ); Mon, 23 Aug 2021 13:14:38 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 519C3C061757 for ; Mon, 23 Aug 2021 10:13:55 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id f8-20020a2585480000b02905937897e3daso17023527ybn.2 for ; Mon, 23 Aug 2021 10:13:55 -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=Rn4Ov6fZtIeuYv4qe0duX3eTx27b0q1rGV7B2MFXCkM=; b=j4Fz5nKfDBIg6wGCX99oSD3qw+9mbpkBIV+gOiN5gOqYPBf8xKsRiv4NCnNtfxvGz5 y6GKY3b2JbRDDfueb2CkhEeI7beflC6wiiafJimcNoeQuObystNTTA5pIsa3xFvCYBt9 ydA7gzBTHz+lU829Kc2bHhqZ/+yQA2cWyKSLMUcfRQoj7/diGWT8gV6nbeEULgSN2jDp vx+68GUIHcdhTyPglZY63BqqWy3IJ01MOVpGI9RuO6V+xS6YNJEYrXZBZ3OHpJrRdUoB MUMFhySVjh/SWbsNoFpcgTJLlKudWt9G4AYFp27LraAAM3EOOBusIJm01Y9mGSVFLTo3 E1aw== 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=Rn4Ov6fZtIeuYv4qe0duX3eTx27b0q1rGV7B2MFXCkM=; b=H0orRpXNEjOUDii/gLVGl7si8DuNkt8htiWf7XtW89i6q3uoeC42UCyrw7T9PTpcqu 7F6+R1+8Td5ZiFM/yvd1VSrGbgzvVDUAKdKyKBLR2DgjZqxNcQGdZ/wCRNOhmoAMpLNz 6SmSxi8++w2dAt8K+ZH6gqCX+XDZrh/mSUNBvxMbo71VjfzR1is8Bb+4m3DY93Bg/aKx aUcS3jOzIJWr7fONssai27TEv2wRRkF95aWKFU3CuxYmKpK5F0AT8VONcFTKQW6HMcod 1r29wXiAN9N/SRdnKT2+9Zvi86AQv4OWtcT5OfzEbj559//9v0yu/MIwb2C+n/HfxX9t a6Eg== X-Gm-Message-State: AOAM53251FoyOI88b8SZSBo3OVxcx1MfZ1jscIuafI2Wiugz1z5oKIMB hPS0SEmbCee8xN7e9TpJ9EuOoK5rWHFu06hC/60= X-Google-Smtp-Source: ABdhPJzC7ogvonrsSKVnw0YC87eH29k88ofugQafcLSHc1QP/Ose4p2Mx7EWK3xZS3bmJ/eC6x7NMo3scppuISgjSb0= X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:cc48:aa6a:f4ec:7d19]) (user=samitolvanen job=sendgmr) by 2002:a25:55d6:: with SMTP id j205mr46404895ybb.395.1629738834582; Mon, 23 Aug 2021 10:13:54 -0700 (PDT) Date: Mon, 23 Aug 2021 10:13:18 -0700 In-Reply-To: <20210823171318.2801096-1-samitolvanen@google.com> Message-Id: <20210823171318.2801096-15-samitolvanen@google.com> Mime-Version: 1.0 References: <20210823171318.2801096-1-samitolvanen@google.com> X-Mailer: git-send-email 2.33.0.rc2.250.ged5fa647cd-goog Subject: [PATCH v2 14/14] x86, build: Allow CONFIG_CFI_CLANG to be selected From: Sami Tolvanen To: x86@kernel.org Cc: Kees Cook , Josh Poimboeuf , Peter Zijlstra , Nathan Chancellor , Nick Desaulniers , Sedat Dilek , linux-hardening@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-kernel@vger.kernel.org Select ARCH_SUPPORTS_CFI_CLANG to allow CFI to be enabled with Clang >=14. Signed-off-by: Sami Tolvanen --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 88fb922c23a0..c487c482ed67 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -107,6 +107,7 @@ config X86 select ARCH_SUPPORTS_KMAP_LOCAL_FORCE_MAP if NR_CPUS <= 4096 select ARCH_SUPPORTS_LTO_CLANG select ARCH_SUPPORTS_LTO_CLANG_THIN + select ARCH_SUPPORTS_CFI_CLANG if X86_64 && CLANG_VERSION >= 140000 select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_MEMTEST select ARCH_USE_QUEUED_RWLOCKS -- 2.33.0.rc2.250.ged5fa647cd-goog