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Wed, 01 Sep 2021 16:12:38 -0700 (PDT) Received: from t490s ([2607:fea8:56a3:500::ad7f]) by smtp.gmail.com with ESMTPSA id c23sm96797qkk.50.2021.09.01.16.12.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Sep 2021 16:12:37 -0700 (PDT) Date: Wed, 1 Sep 2021 19:12:36 -0400 From: Peter Xu To: kernel test robot Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Paolo Bonzini , Lei Cao Subject: Re: arch/x86/kvm/../../../virt/kvm/dirty_ring.c:94:20: error: unused function 'kvm_dirty_gfn_invalid' Message-ID: References: <202109020620.e6EZVLvS-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <202109020620.e6EZVLvS-lkp@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 02, 2021 at 06:22:29AM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 477f70cd2a67904e04c2c2b9bd0fa2e95222f2f6 > commit: fb04a1eddb1a65b6588a021bdc132270d5ae48bb KVM: X86: Implement ring-based dirty memory tracking > date: 10 months ago > config: i386-randconfig-r005-20210901 (attached as .config) > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4b1fde8a2b681dad2ce0c082a5d6422caa06b0bc) > 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fb04a1eddb1a65b6588a021bdc132270d5ae48bb > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout fb04a1eddb1a65b6588a021bdc132270d5ae48bb > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=i386 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > > All errors (new ones prefixed by >>): > > >> arch/x86/kvm/../../../virt/kvm/dirty_ring.c:94:20: error: unused function 'kvm_dirty_gfn_invalid' [-Werror,-Wunused-function] > static inline bool kvm_dirty_gfn_invalid(struct kvm_dirty_gfn *gfn) > ^ > 1 error generated. > > > vim +/kvm_dirty_gfn_invalid +94 arch/x86/kvm/../../../virt/kvm/dirty_ring.c > > 93 > > 94 static inline bool kvm_dirty_gfn_invalid(struct kvm_dirty_gfn *gfn) > 95 { > 96 return gfn->flags == 0; > 97 } > 98 https://lore.kernel.org/lkml/20210901230904.15164-1-peterx@redhat.com Thanks, -- Peter Xu