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=-11.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 CF4ABC54FCB for ; Sun, 26 Apr 2020 18:42:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AEBFE216FD for ; Sun, 26 Apr 2020 18:42:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726244AbgDZSmv (ORCPT ); Sun, 26 Apr 2020 14:42:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726177AbgDZSmv (ORCPT ); Sun, 26 Apr 2020 14:42:51 -0400 Received: from Galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A971C061A0F; Sun, 26 Apr 2020 11:42:51 -0700 (PDT) Received: from [5.158.153.53] (helo=tip-bot2.lab.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1jSmEp-00078x-JW; Sun, 26 Apr 2020 20:42:47 +0200 Received: from [127.0.1.1] (localhost [IPv6:::1]) by tip-bot2.lab.linutronix.de (Postfix) with ESMTP id D6F511C0178; Sun, 26 Apr 2020 20:42:46 +0200 (CEST) Date: Sun, 26 Apr 2020 18:42:46 -0000 From: "tip-bot2 for Thomas Gleixner" Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: x86/mm] x86/cpu: Export native_write_cr4() only when CONFIG_LKTDM=m Cc: Thomas Gleixner , Borislav Petkov , x86 , LKML In-Reply-To: <20200421092558.939985695@linutronix.de> References: <20200421092558.939985695@linutronix.de> MIME-Version: 1.0 Message-ID: <158792656642.28353.3424858438279806300.tip-bot2@tip-bot2> X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the x86/mm branch of tip: Commit-ID: 21953ee5013d6632bee90ec89f2df59c69050db0 Gitweb: https://git.kernel.org/tip/21953ee5013d6632bee90ec89f2df59c69050db0 Author: Thomas Gleixner AuthorDate: Sun, 26 Apr 2020 18:55:15 +02:00 Committer: Borislav Petkov CommitterDate: Sun, 26 Apr 2020 20:16:46 +02:00 x86/cpu: Export native_write_cr4() only when CONFIG_LKTDM=m Modules have no business poking into this but fixing this is for later. [ bp: Carve out from an earlier patch. ] Signed-off-by: Thomas Gleixner Signed-off-by: Borislav Petkov Link: https://lkml.kernel.org/r/20200421092558.939985695@linutronix.de --- arch/x86/kernel/cpu/common.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 82042f4..eab3ebd 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -387,7 +387,9 @@ set_register: bits_missing); } } +#if IS_MODULE(CONFIG_LKDTM) EXPORT_SYMBOL_GPL(native_write_cr4); +#endif void cr4_update_irqsoff(unsigned long set, unsigned long clear) {