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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 CEAC3C43603 for ; Fri, 6 Dec 2019 23:28:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9C4C32245C for ; Fri, 6 Dec 2019 23:28:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726415AbfLFX2v (ORCPT ); Fri, 6 Dec 2019 18:28:51 -0500 Received: from mga11.intel.com ([192.55.52.93]:15752 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726374AbfLFX2v (ORCPT ); Fri, 6 Dec 2019 18:28:51 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Dec 2019 15:28:50 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,286,1571727600"; d="scan'208";a="263717725" Received: from yyu32-desk1.sc.intel.com ([10.144.153.205]) by FMSMGA003.fm.intel.com with ESMTP; 06 Dec 2019 15:28:50 -0800 From: Yu-cheng Yu To: linux-kernel@vger.kernel.org, x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , Dave Hansen , Tony Luck , Andy Lutomirski , Borislav Petkov , Rik van Riel , "Ravi V. Shankar" , Sebastian Andrzej Siewior , Fenghua Yu , Peter Zijlstra Cc: Yu-cheng Yu Subject: [PATCH] x86/fpu/xstate: Export fpu_fpregs_owner_ctx Date: Fri, 6 Dec 2019 15:17:09 -0800 Message-Id: <20191206231709.15398-1-yu-cheng.yu@intel.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org After applying my "Invalidate fpregs when __fpu_restore_sig() fails" patch [1], the following happens: ERROR: "fpu_fpregs_owner_ctx" [arch/x86/kvm/kvm.ko] undefined! Fix it by exporting the symbol. I apologize for missing this! [1] https://lkml.kernel.org/r/20191205182648.32257-4-yu-cheng.yu@intel.com/ Signed-off-by: Yu-cheng Yu --- arch/x86/kernel/fpu/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index 743ff5ea4076..4e5151e43a2c 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -42,6 +42,7 @@ static DEFINE_PER_CPU(bool, in_kernel_fpu); * Track which context is using the FPU on the CPU: */ DEFINE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx); +EXPORT_SYMBOL_GPL(fpu_fpregs_owner_ctx); static bool kernel_fpu_disabled(void) { -- 2.17.1