Hi Suresh, [auto build test ERROR on kvm/linux-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base] url: https://github.com/0day-ci/linux/commits/Suresh-Warrier/KVM-PPC-Book3S-HV-Optimize-wakeup-VCPU-from-H_IPI/20151030-081329 config: powerpc-defconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=powerpc All errors (new ones prefixed by >>): arch/powerpc/kernel/smp.c: In function 'smp_ipi_demux': >> arch/powerpc/kernel/smp.c:261:25: error: 'PPC_MSG_RM_HOST_ACTION' undeclared (first use in this function) if (all & IPI_MESSAGE(PPC_MSG_RM_HOST_ACTION)) ^ arch/powerpc/kernel/smp.c:239:41: note: in definition of macro 'IPI_MESSAGE' #define IPI_MESSAGE(A) (1 << (24 - 8 * (A))) ^ arch/powerpc/kernel/smp.c:261:25: note: each undeclared identifier is reported only once for each function it appears in if (all & IPI_MESSAGE(PPC_MSG_RM_HOST_ACTION)) ^ arch/powerpc/kernel/smp.c:239:41: note: in definition of macro 'IPI_MESSAGE' #define IPI_MESSAGE(A) (1 << (24 - 8 * (A))) ^ -- arch/powerpc/kvm/book3s_hv_rm_xics.c: In function 'icp_rm_set_vcpu_irq': arch/powerpc/kvm/book3s_hv_rm_xics.c:142:4: error: implicit declaration of function 'smp_muxed_ipi_rm_message_pass' [-Werror=implicit-function-declaration] smp_muxed_ipi_rm_message_pass(hcpu, ^ >> arch/powerpc/kvm/book3s_hv_rm_xics.c:143:7: error: 'PPC_MSG_RM_HOST_ACTION' undeclared (first use in this function) PPC_MSG_RM_HOST_ACTION); ^ arch/powerpc/kvm/book3s_hv_rm_xics.c:143:7: note: each undeclared identifier is reported only once for each function it appears in cc1: all warnings being treated as errors vim +/PPC_MSG_RM_HOST_ACTION +261 arch/powerpc/kernel/smp.c 255 * Must check for PPC_MSG_RM_HOST_ACTION messages 256 * before PPC_MSG_CALL_FUNCTION messages because when 257 * a VM is destroyed, we call kick_all_cpus_sync() 258 * to ensure that any pending PPC_MSG_RM_HOST_ACTION 259 * messages have completed before we free any VCPUs. 260 */ > 261 if (all & IPI_MESSAGE(PPC_MSG_RM_HOST_ACTION)) 262 kvmppc_xics_ipi_action(); 263 #endif 264 if (all & IPI_MESSAGE(PPC_MSG_CALL_FUNCTION)) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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