tree: https://git.kernel.org/pub/scm/virt/kvm/kvm.git next head: 0828824158b1cb8108bb2b1f5eeab5826e6017e7 commit: 5be2226f417d5b06d17e6c52d6e341cf43c29e48 [100/102] KVM: x86: allow defining return-0 static calls config: x86_64-randconfig-c007-20220221 (https://download.01.org/0day-ci/archive/20220223/202202230922.YPbPSQvc-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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/virt/kvm/kvm.git/commit/?id=5be2226f417d5b06d17e6c52d6e341cf43c29e48 git remote add kvm https://git.kernel.org/pub/scm/virt/kvm/kvm.git git fetch --no-tags kvm next git checkout 5be2226f417d5b06d17e6c52d6e341cf43c29e48 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from arch/x86/kvm/../../../virt/kvm/kvm_main.c:18: In file included from include/linux/kvm_host.h:45: In file included from arch/x86/include/asm/kvm_host.h:1557: >> arch/x86/include/asm/kvm-x86-ops.h:82:1: warning: pointer type mismatch ('bool (*)(struct kvm_vcpu *)' (aka '_Bool (*)(struct kvm_vcpu *)') and 'void *') [-Wpointer-type-mismatch] KVM_X86_OP_OPTIONAL_RET0(guest_apic_has_interrupt) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/kvm_host.h:1555:54: note: expanded from macro 'KVM_X86_OP_OPTIONAL_RET0' static_call_update(kvm_x86_##func, kvm_x86_ops.func ? : \ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ include/linux/static_call.h:154:42: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^~~~ In file included from arch/x86/kvm/../../../virt/kvm/kvm_main.c:18: In file included from include/linux/kvm_host.h:45: In file included from arch/x86/include/asm/kvm_host.h:1557: >> arch/x86/include/asm/kvm-x86-ops.h:88:1: warning: pointer type mismatch ('int (*)(struct kvm *, unsigned int)' and 'void *') [-Wpointer-type-mismatch] KVM_X86_OP_OPTIONAL_RET0(set_tss_addr) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/kvm_host.h:1555:54: note: expanded from macro 'KVM_X86_OP_OPTIONAL_RET0' static_call_update(kvm_x86_##func, kvm_x86_ops.func ? : \ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ include/linux/static_call.h:154:42: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^~~~ In file included from arch/x86/kvm/../../../virt/kvm/kvm_main.c:18: In file included from include/linux/kvm_host.h:45: In file included from arch/x86/include/asm/kvm_host.h:1557: >> arch/x86/include/asm/kvm-x86-ops.h:89:1: warning: pointer type mismatch ('int (*)(struct kvm *, u64)' (aka 'int (*)(struct kvm *, unsigned long long)') and 'void *') [-Wpointer-type-mismatch] KVM_X86_OP_OPTIONAL_RET0(set_identity_map_addr) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/kvm_host.h:1555:54: note: expanded from macro 'KVM_X86_OP_OPTIONAL_RET0' static_call_update(kvm_x86_##func, kvm_x86_ops.func ? : \ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ include/linux/static_call.h:154:42: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^~~~ In file included from arch/x86/kvm/../../../virt/kvm/kvm_main.c:18: In file included from include/linux/kvm_host.h:45: In file included from arch/x86/include/asm/kvm_host.h:1557: >> arch/x86/include/asm/kvm-x86-ops.h:90:1: warning: pointer type mismatch ('u64 (*)(struct kvm_vcpu *, gfn_t, bool)' (aka 'unsigned long long (*)(struct kvm_vcpu *, unsigned long long, _Bool)') and 'void *') [-Wpointer-type-mismatch] KVM_X86_OP_OPTIONAL_RET0(get_mt_mask) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/kvm_host.h:1555:54: note: expanded from macro 'KVM_X86_OP_OPTIONAL_RET0' static_call_update(kvm_x86_##func, kvm_x86_ops.func ? : \ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ include/linux/static_call.h:154:42: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^~~~ In file included from arch/x86/kvm/../../../virt/kvm/kvm_main.c:18: In file included from include/linux/kvm_host.h:45: In file included from arch/x86/include/asm/kvm_host.h:1557: arch/x86/include/asm/kvm-x86-ops.h:108:1: warning: pointer type mismatch ('bool (*)(struct kvm_vcpu *)' (aka '_Bool (*)(struct kvm_vcpu *)') and 'void *') [-Wpointer-type-mismatch] KVM_X86_OP_OPTIONAL_RET0(dy_apicv_has_pending_interrupt) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/kvm_host.h:1555:54: note: expanded from macro 'KVM_X86_OP_OPTIONAL_RET0' static_call_update(kvm_x86_##func, kvm_x86_ops.func ? : \ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ include/linux/static_call.h:154:42: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^~~~ 5 warnings generated. vim +82 arch/x86/include/asm/kvm-x86-ops.h 5 6 /* 7 * KVM_X86_OP() and KVM_X86_OP_OPTIONAL() are used to help generate 8 * both DECLARE/DEFINE_STATIC_CALL() invocations and 9 * "static_call_update()" calls. 10 * 11 * KVM_X86_OP_OPTIONAL() can be used for those functions that can have 12 * a NULL definition, for example if "static_call_cond()" will be used 13 * at the call sites. KVM_X86_OP_OPTIONAL_RET0() can be used likewise 14 * to make a definition optional, but in this case the default will 15 * be __static_call_return0. 16 */ 17 KVM_X86_OP(hardware_enable) 18 KVM_X86_OP(hardware_disable) 19 KVM_X86_OP(hardware_unsetup) 20 KVM_X86_OP(has_emulated_msr) 21 KVM_X86_OP(vcpu_after_set_cpuid) 22 KVM_X86_OP(vm_init) 23 KVM_X86_OP_OPTIONAL(vm_destroy) 24 KVM_X86_OP(vcpu_create) 25 KVM_X86_OP(vcpu_free) 26 KVM_X86_OP(vcpu_reset) 27 KVM_X86_OP(prepare_switch_to_guest) 28 KVM_X86_OP(vcpu_load) 29 KVM_X86_OP(vcpu_put) 30 KVM_X86_OP(update_exception_bitmap) 31 KVM_X86_OP(get_msr) 32 KVM_X86_OP(set_msr) 33 KVM_X86_OP(get_segment_base) 34 KVM_X86_OP(get_segment) 35 KVM_X86_OP(get_cpl) 36 KVM_X86_OP(set_segment) 37 KVM_X86_OP(get_cs_db_l_bits) 38 KVM_X86_OP(set_cr0) 39 KVM_X86_OP_OPTIONAL(post_set_cr3) 40 KVM_X86_OP(is_valid_cr4) 41 KVM_X86_OP(set_cr4) 42 KVM_X86_OP(set_efer) 43 KVM_X86_OP(get_idt) 44 KVM_X86_OP(set_idt) 45 KVM_X86_OP(get_gdt) 46 KVM_X86_OP(set_gdt) 47 KVM_X86_OP(sync_dirty_debug_regs) 48 KVM_X86_OP(set_dr7) 49 KVM_X86_OP(cache_reg) 50 KVM_X86_OP(get_rflags) 51 KVM_X86_OP(set_rflags) 52 KVM_X86_OP(get_if_flag) 53 KVM_X86_OP(flush_tlb_all) 54 KVM_X86_OP(flush_tlb_current) 55 KVM_X86_OP_OPTIONAL(tlb_remote_flush) 56 KVM_X86_OP_OPTIONAL(tlb_remote_flush_with_range) 57 KVM_X86_OP(flush_tlb_gva) 58 KVM_X86_OP(flush_tlb_guest) 59 KVM_X86_OP(vcpu_pre_run) 60 KVM_X86_OP(vcpu_run) 61 KVM_X86_OP(handle_exit) 62 KVM_X86_OP(skip_emulated_instruction) 63 KVM_X86_OP_OPTIONAL(update_emulated_instruction) 64 KVM_X86_OP(set_interrupt_shadow) 65 KVM_X86_OP(get_interrupt_shadow) 66 KVM_X86_OP(patch_hypercall) 67 KVM_X86_OP(inject_irq) 68 KVM_X86_OP(inject_nmi) 69 KVM_X86_OP(queue_exception) 70 KVM_X86_OP(cancel_injection) 71 KVM_X86_OP(interrupt_allowed) 72 KVM_X86_OP(nmi_allowed) 73 KVM_X86_OP(get_nmi_mask) 74 KVM_X86_OP(set_nmi_mask) 75 KVM_X86_OP(enable_nmi_window) 76 KVM_X86_OP(enable_irq_window) 77 KVM_X86_OP_OPTIONAL(update_cr8_intercept) 78 KVM_X86_OP(check_apicv_inhibit_reasons) 79 KVM_X86_OP(refresh_apicv_exec_ctrl) 80 KVM_X86_OP_OPTIONAL(hwapic_irr_update) 81 KVM_X86_OP_OPTIONAL(hwapic_isr_update) > 82 KVM_X86_OP_OPTIONAL_RET0(guest_apic_has_interrupt) 83 KVM_X86_OP_OPTIONAL(load_eoi_exitmap) 84 KVM_X86_OP_OPTIONAL(set_virtual_apic_mode) 85 KVM_X86_OP_OPTIONAL(set_apic_access_page_addr) 86 KVM_X86_OP(deliver_interrupt) 87 KVM_X86_OP_OPTIONAL(sync_pir_to_irr) > 88 KVM_X86_OP_OPTIONAL_RET0(set_tss_addr) > 89 KVM_X86_OP_OPTIONAL_RET0(set_identity_map_addr) > 90 KVM_X86_OP_OPTIONAL_RET0(get_mt_mask) 91 KVM_X86_OP(load_mmu_pgd) 92 KVM_X86_OP(has_wbinvd_exit) 93 KVM_X86_OP(get_l2_tsc_offset) 94 KVM_X86_OP(get_l2_tsc_multiplier) 95 KVM_X86_OP(write_tsc_offset) 96 KVM_X86_OP(write_tsc_multiplier) 97 KVM_X86_OP(get_exit_info) 98 KVM_X86_OP(check_intercept) 99 KVM_X86_OP(handle_exit_irqoff) 100 KVM_X86_OP(request_immediate_exit) 101 KVM_X86_OP(sched_in) 102 KVM_X86_OP_OPTIONAL(update_cpu_dirty_logging) 103 KVM_X86_OP_OPTIONAL(vcpu_blocking) 104 KVM_X86_OP_OPTIONAL(vcpu_unblocking) 105 KVM_X86_OP_OPTIONAL(pi_update_irte) 106 KVM_X86_OP_OPTIONAL(pi_start_assignment) 107 KVM_X86_OP_OPTIONAL(apicv_post_state_restore) 108 KVM_X86_OP_OPTIONAL_RET0(dy_apicv_has_pending_interrupt) 109 KVM_X86_OP_OPTIONAL(set_hv_timer) 110 KVM_X86_OP_OPTIONAL(cancel_hv_timer) 111 KVM_X86_OP(setup_mce) 112 KVM_X86_OP(smi_allowed) 113 KVM_X86_OP(enter_smm) 114 KVM_X86_OP(leave_smm) 115 KVM_X86_OP(enable_smi_window) 116 KVM_X86_OP_OPTIONAL(mem_enc_ioctl) 117 KVM_X86_OP_OPTIONAL(mem_enc_register_region) 118 KVM_X86_OP_OPTIONAL(mem_enc_unregister_region) 119 KVM_X86_OP_OPTIONAL(vm_copy_enc_context_from) 120 KVM_X86_OP_OPTIONAL(vm_move_enc_context_from) 121 KVM_X86_OP(get_msr_feature) 122 KVM_X86_OP(can_emulate_instruction) 123 KVM_X86_OP(apic_init_signal_blocked) 124 KVM_X86_OP_OPTIONAL(enable_direct_tlbflush) 125 KVM_X86_OP_OPTIONAL(migrate_timers) 126 KVM_X86_OP(msr_filter_changed) 127 KVM_X86_OP(complete_emulated_msr) 128 KVM_X86_OP(vcpu_deliver_sipi_vector) 129 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
