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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 BD3D4C4332B for ; Fri, 20 Mar 2020 17:18:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F91720709 for ; Fri, 20 Mar 2020 17:18:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727262AbgCTRSx (ORCPT ); Fri, 20 Mar 2020 13:18:53 -0400 Received: from mga01.intel.com ([192.55.52.88]:27716 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726867AbgCTRSx (ORCPT ); Fri, 20 Mar 2020 13:18:53 -0400 IronPort-SDR: h8AV/6FI2EEoHL9RglLWgBtAbT/CsoOWhWocIMy00S/A7vCdLO47wPLE+eauroEVneQB80BBmU GwxkwLJpzCKQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Mar 2020 10:18:52 -0700 IronPort-SDR: 0cz85uFwoQtLLVv7DCcCeNiE5EgXeu5SUeyZK1XhF4/047s7fdBY9zcyPOUOvtE0HMNoksIQW9 c7qhA4E3mdDg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,285,1580803200"; d="scan'208";a="239283183" Received: from lkp-server01.sh.intel.com (HELO lkp-server01) ([10.239.97.150]) by orsmga008.jf.intel.com with ESMTP; 20 Mar 2020 10:18:50 -0700 Received: from kbuild by lkp-server01 with local (Exim 4.89) (envelope-from ) id 1jFLIH-0003RB-CC; Sat, 21 Mar 2020 01:18:49 +0800 Date: Sat, 21 Mar 2020 01:18:14 +0800 From: kbuild test robot To: Yang Weijiang Cc: kbuild-all@lists.01.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, sean.j.christopherson@intel.com, pbonzini@redhat.com, jmattson@google.com Subject: Re: [PATCH v10 8/8] KVM: X86: Set CET feature bits for CPUID enumeration Message-ID: <202003210154.29vmxMsO%lkp@intel.com> References: <20200320034342.26610-9-weijiang.yang@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200320034342.26610-9-weijiang.yang@intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Yang, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on kvm/linux-next] [also build test WARNING on next-20200320] [cannot apply to vhost/linux-next tip/auto-latest linux/master linus/master v5.6-rc6] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Yang-Weijiang/Introduce-support-for-guest-CET-feature/20200320-155517 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next reproduce: # apt-get install sparse # sparse version: v0.6.1-181-g83789bbc-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) arch/x86/kvm/x86.c:98:46: sparse: sparse: undefined identifier 'X86_CR4_CET' >> arch/x86/kvm/x86.c:98:46: sparse: sparse: cast from unknown type arch/x86/kvm/x86.c:809:60: sparse: sparse: undefined identifier 'X86_CR4_CET' arch/x86/kvm/x86.c:940:29: sparse: sparse: undefined identifier 'X86_CR4_CET' arch/x86/kvm/x86.c:940:29: sparse: sparse: cast from unknown type arch/x86/kvm/x86.c:956:19: sparse: sparse: undefined identifier 'X86_CR4_CET' arch/x86/kvm/x86.c:956:19: sparse: sparse: cast from unknown type arch/x86/kvm/x86.c:1233:23: sparse: sparse: undefined identifier 'MSR_IA32_U_CET' arch/x86/kvm/x86.c:1233:39: sparse: sparse: undefined identifier 'MSR_IA32_S_CET' arch/x86/kvm/x86.c:1234:9: sparse: sparse: undefined identifier 'MSR_IA32_PL0_SSP' arch/x86/kvm/x86.c:1234:27: sparse: sparse: undefined identifier 'MSR_IA32_PL1_SSP' arch/x86/kvm/x86.c:1234:45: sparse: sparse: undefined identifier 'MSR_IA32_PL2_SSP' arch/x86/kvm/x86.c:1235:9: sparse: sparse: undefined identifier 'MSR_IA32_PL3_SSP' arch/x86/kvm/x86.c:1235:27: sparse: sparse: undefined identifier 'MSR_IA32_INT_SSP_TAB' arch/x86/kvm/x86.c:1512:14: sparse: sparse: undefined identifier 'MSR_IA32_PL0_SSP' arch/x86/kvm/x86.c:1512:35: sparse: sparse: undefined identifier 'MSR_IA32_PL3_SSP' arch/x86/kvm/x86.c:1513:14: sparse: sparse: undefined identifier 'MSR_IA32_U_CET' arch/x86/kvm/x86.c:1514:14: sparse: sparse: undefined identifier 'MSR_IA32_S_CET' arch/x86/kvm/x86.c:1515:14: sparse: sparse: undefined identifier 'MSR_IA32_INT_SSP_TAB' arch/x86/kvm/x86.c:1512:14: sparse: sparse: incompatible types for 'case' statement arch/x86/kvm/x86.c:1512:35: sparse: sparse: incompatible types for 'case' statement arch/x86/kvm/x86.c:1513:14: sparse: sparse: incompatible types for 'case' statement arch/x86/kvm/x86.c:1514:14: sparse: sparse: incompatible types for 'case' statement arch/x86/kvm/x86.c:1515:14: sparse: sparse: incompatible types for 'case' statement arch/x86/kvm/x86.c:2646:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] * @@ got const [noderef] * @@ arch/x86/kvm/x86.c:2646:38: sparse: expected void const [noderef] * arch/x86/kvm/x86.c:2646:38: sparse: got unsigned char [usertype] * arch/x86/kvm/x86.c:3267:25: sparse: sparse: undefined identifier 'MSR_IA32_U_CET' arch/x86/kvm/x86.c:7549:15: sparse: sparse: incompatible types in comparison expression (different address spaces): arch/x86/kvm/x86.c:7549:15: sparse: struct kvm_apic_map [noderef] * arch/x86/kvm/x86.c:7549:15: sparse: struct kvm_apic_map * arch/x86/kvm/x86.c:9678:44: sparse: sparse: undefined identifier 'XFEATURE_MASK_CET_USER' arch/x86/kvm/x86.c:9678:44: sparse: sparse: undefined identifier 'XFEATURE_MASK_CET_KERNEL' arch/x86/kvm/x86.c:9912:16: sparse: sparse: incompatible types in comparison expression (different address spaces): arch/x86/kvm/x86.c:9912:16: sparse: struct kvm_apic_map [noderef] * arch/x86/kvm/x86.c:9912:16: sparse: struct kvm_apic_map * arch/x86/kvm/x86.c:9913:15: sparse: sparse: incompatible types in comparison expression (different address spaces): arch/x86/kvm/x86.c:9913:15: sparse: struct kvm_pmu_event_filter [noderef] * arch/x86/kvm/x86.c:9913:15: sparse: struct kvm_pmu_event_filter * arch/x86/kvm/x86.c:1512:14: sparse: sparse: Expected constant expression in case statement arch/x86/kvm/x86.c:1512:35: sparse: sparse: Expected constant expression in case statement arch/x86/kvm/x86.c:1513:14: sparse: sparse: Expected constant expression in case statement arch/x86/kvm/x86.c:1514:14: sparse: sparse: Expected constant expression in case statement arch/x86/kvm/x86.c:1515:14: sparse: sparse: Expected constant expression in case statement -- arch/x86/kvm/emulate.c:5495:21: sparse: sparse: arithmetics on pointers to functions arch/x86/kvm/emulate.c:4206:17: sparse: sparse: undefined identifier 'X86_CR4_CET' >> arch/x86/kvm/emulate.c:4206:17: sparse: sparse: cast from unknown type vim +98 arch/x86/kvm/x86.c 313a3dc75da206 drivers/kvm/x86.c Carsten Otte 2007-10-11 97 b11306b53b2540 arch/x86/kvm/x86.c Sean Christopherson 2019-12-10 @98 static u64 __read_mostly cr4_reserved_bits = CR4_RESERVED_BITS; b11306b53b2540 arch/x86/kvm/x86.c Sean Christopherson 2019-12-10 99 :::::: The code at line 98 was first introduced by commit :::::: b11306b53b2540c6ba068c4deddb6a17d9f8d95b KVM: x86: Don't let userspace set host-reserved cr4 bits :::::: TO: Sean Christopherson :::::: CC: Paolo Bonzini --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org