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Tue, 07 Mar 2023 17:08:02 -0800 (PST) Date: Tue, 7 Mar 2023 17:08:01 -0800 In-Reply-To: <202303031630.ntvIuYqo-lkp@intel.com> Mime-Version: 1.0 References: <202303031630.ntvIuYqo-lkp@intel.com> Message-ID: Subject: Re: arch/powerpc/kvm/e500mc.c:171:5: error: no previous prototype for 'kvmppc_e500mc_check_processor_compat' From: Sean Christopherson To: kernel test robot Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Paolo Bonzini Content-Type: text/plain; charset="us-ascii" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 03, 2023, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 2eb29d59ddf02e39774abfb60b2030b0b7e27c1f > commit: 7cb79f433e75b05d1635aefaa851cfcd1cb7dc4f KVM: PPC: Fix refactoring goof in kvmppc_e500mc_init() > date: 5 weeks ago > config: powerpc-randconfig-r001-20230302 (https://download.01.org/0day-ci/archive/20230303/202303031630.ntvIuYqo-lkp@intel.com/config) > compiler: powerpc-linux-gcc (GCC) 12.1.0 > 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=7cb79f433e75b05d1635aefaa851cfcd1cb7dc4f > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 7cb79f433e75b05d1635aefaa851cfcd1cb7dc4f > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot > | Link: https://lore.kernel.org/oe-kbuild-all/202303031630.ntvIuYqo-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > >> arch/powerpc/kvm/e500mc.c:171:5: error: no previous prototype for 'kvmppc_e500mc_check_processor_compat' [-Werror=missing-prototypes] > 171 | int kvmppc_e500mc_check_processor_compat(void) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > cc1: all warnings being treated as errors > > > vim +/kvmppc_e500mc_check_processor_compat +171 arch/powerpc/kvm/e500mc.c > > 170 > > 171 int kvmppc_e500mc_check_processor_compat(void) Gah, should be "static". I'll send a patch.