From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1601E17D7; Sun, 30 Apr 2023 07:59:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1682841564; x=1714377564; h=date:from:to:cc:subject:message-id:mime-version; bh=mUKJIhpHq4tFM4xyoPHDyYgr2rC3SmrqoKOKHevFuvU=; b=GUDvRLohNMrE1oFH10hv3DeHIvYCYrJ2t+QyjTzsvcbxJfChpV9lfgpJ nZWqcGzcuPdsRbxVihsXofV3XLxuasU0aCC8UTfzQzQWPR0WsZu4FdoIv 5JG0BXU6MiHQA6LPSgQf/tDNlpmyYCSX51za5UF0RJDM2oUwFWlya591V FTFyzSr4dTDTkwCkZQnXz8IuVhsUCGa73e8TjBSgEiJsiwk0gV+0gUn1Y 9yg8vrC7g3WNduzSLuEAKMaWqYOo3FQsw5fFpV25Q3iCR2yFPFFO2EPUt agiO6Om6Mcaufg3C2KToDnMMoIi1UDhuAhaspox/csIfj20Arksz8APik w==; X-IronPort-AV: E=McAfee;i="6600,9927,10695"; a="348040100" X-IronPort-AV: E=Sophos;i="5.99,238,1677571200"; d="scan'208";a="348040100" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Apr 2023 00:59:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10695"; a="672830179" X-IronPort-AV: E=Sophos;i="5.99,238,1677571200"; d="scan'208";a="672830179" Received: from lkp-server01.sh.intel.com (HELO 5bad9d2b7fcb) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 30 Apr 2023 00:59:22 -0700 Received: from kbuild by 5bad9d2b7fcb with local (Exim 4.96) (envelope-from ) id 1pt1xp-0001Yn-1G; Sun, 30 Apr 2023 07:59:21 +0000 Date: Sun, 30 Apr 2023 15:58:56 +0800 From: kernel test robot To: Isaku Yamahata Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [intel-tdx:kvm-upstream-workaround 312/338] arch/x86/kvm/mmu/mmu.c:713:5: warning: no previous prototype for function 'kvm_mmu_topup_memory_cache_for_split' Message-ID: <202304301502.tvxyjnae-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://github.com/intel/tdx.git kvm-upstream-workaround head: abaa3072a8763b7a6276df61d205bf33eb2f31a5 commit: 4c3e3b7ca8a13d21b2a77b77a0244c4d7b47b259 [312/338] [REVERTME] KVM: TDX, x86/tdp_mmu: Protect Secure-EPT page config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20230430/202304301502.tvxyjnae-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel/tdx/commit/4c3e3b7ca8a13d21b2a77b77a0244c4d7b47b259 git remote add intel-tdx https://github.com/intel/tdx.git git fetch --no-tags intel-tdx kvm-upstream-workaround git checkout 4c3e3b7ca8a13d21b2a77b77a0244c4d7b47b259 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kvm/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202304301502.tvxyjnae-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/x86/kvm/mmu/mmu.c:713:5: warning: no previous prototype for function 'kvm_mmu_topup_memory_cache_for_split' [-Wmissing-prototypes] int kvm_mmu_topup_memory_cache_for_split(struct kvm *kvm) ^ arch/x86/kvm/mmu/mmu.c:713:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int kvm_mmu_topup_memory_cache_for_split(struct kvm *kvm) ^ static 1 warning generated. vim +/kvm_mmu_topup_memory_cache_for_split +713 arch/x86/kvm/mmu/mmu.c 712 > 713 int kvm_mmu_topup_memory_cache_for_split(struct kvm *kvm) 714 { 715 int r = 0; 716 #ifdef CONFIG_INTEL_TDX_HOST_DEBUG_MEMORY_CORRUPT 717 struct kvm_mmu_memory_cache *mc; 718 int start, end, i; 719 720 mutex_lock(&kvm->arch.private_spt_for_split_lock); 721 mc = &kvm->arch.private_spt_for_split_cache; 722 start = kvm_mmu_memory_cache_nr_free_objects(mc); 723 r = kvm_mmu_topup_memory_cache(mc, KVM_MAX_HUGEPAGE_LEVEL * 724 kvm->created_vcpus); 725 end = kvm_mmu_memory_cache_nr_free_objects(mc); 726 for (i = start; i < end; i++) 727 kvm_mmu_split_direct_map(virt_to_page(mc->objects[i])); 728 mutex_unlock(&kvm->arch.private_spt_for_split_lock); 729 #endif 730 return r; 731 } 732 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests