Hi Tianrui, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on kvm/queue] [also build test WARNING on linus/master v6.2 next-20230228] [cannot apply to kvm/linux-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Tianrui-Zhao/LoongArch-KVM-Add-kvm-related-header-files/20230228-151250 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue patch link: https://lore.kernel.org/r/20230228070057.3687180-30-zhaotianrui%40loongson.cn patch subject: [PATCH v3 29/29] LoongArch: KVM: Enable kvm config and add the makefile config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20230301/202303010850.bV3yQ7cW-lkp@xxxxxxxxx/config) compiler: loongarch64-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://github.com/intel-lab-lkp/linux/commit/7833c6dd07758557e28d69f9138c83adfbf06aeb git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Tianrui-Zhao/LoongArch-KVM-Add-kvm-related-header-files/20230228-151250 git checkout 7833c6dd07758557e28d69f9138c83adfbf06aeb # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash arch/loongarch/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303010850.bV3yQ7cW-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/trace/define_trace.h:102, from arch/loongarch/kvm/trace.h:169, from arch/loongarch/kvm/vcpu.c:14: arch/loongarch/kvm/./trace.h: In function 'trace_raw_output_kvm_exit_gspr': >> arch/loongarch/kvm/./trace.h:69:23: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'unsigned int' [-Wformat=] 69 | TP_printk("inst word: 0x%08lx", | ^~~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:203:34: note: in definition of macro 'DECLARE_EVENT_CLASS' 203 | trace_event_printf(iter, print); \ | ^~~~~ include/trace/trace_events.h:45:30: note: in expansion of macro 'PARAMS' 45 | PARAMS(print)); \ | ^~~~~~ arch/loongarch/kvm/./trace.h:58:1: note: in expansion of macro 'TRACE_EVENT' 58 | TRACE_EVENT(kvm_exit_gspr, | ^~~~~~~~~~~ arch/loongarch/kvm/./trace.h:69:13: note: in expansion of macro 'TP_printk' 69 | TP_printk("inst word: 0x%08lx", | ^~~~~~~~~ In file included from include/trace/trace_events.h:237: arch/loongarch/kvm/./trace.h:69:41: note: format string is defined here 69 | TP_printk("inst word: 0x%08lx", | ~~~~^ | | | long unsigned int | %08x arch/loongarch/kvm/./trace.h: In function 'trace_raw_output_kvm_exit': arch/loongarch/kvm/./trace.h:54:31: warning: left-hand operand of comma expression has no effect [-Wunused-value] 54 | ({ KVM_TRACE_EXIT_IDLE, "IDLE" }, \ | ^ include/trace/trace_events.h:203:34: note: in definition of macro 'DECLARE_EVENT_CLASS' 203 | trace_event_printf(iter, print); \ | ^~~~~ arch/loongarch/kvm/./trace.h:87:13: note: in expansion of macro 'TP_printk' 87 | TP_printk("[%s]PC: 0x%08lx", | ^~~~~~~~~ arch/loongarch/kvm/./trace.h:88:23: note: in expansion of macro '__print_symbolic' 88 | __print_symbolic(__entry->reason, | ^~~~~~~~~~~~~~~~ arch/loongarch/kvm/./trace.h:89:40: note: in expansion of macro 'kvm_trace_symbol_exit_types' 89 | kvm_trace_symbol_exit_types), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kvm/./trace.h:54:48: error: expected ';' before '}' token 54 | ({ KVM_TRACE_EXIT_IDLE, "IDLE" }, \ | ^ include/trace/trace_events.h:203:34: note: in definition of macro 'DECLARE_EVENT_CLASS' 203 | trace_event_printf(iter, print); \ | ^~~~~ arch/loongarch/kvm/./trace.h:87:13: note: in expansion of macro 'TP_printk' 87 | TP_printk("[%s]PC: 0x%08lx", | ^~~~~~~~~ arch/loongarch/kvm/./trace.h:88:23: note: in expansion of macro '__print_symbolic' 88 | __print_symbolic(__entry->reason, | ^~~~~~~~~~~~~~~~ arch/loongarch/kvm/./trace.h:89:40: note: in expansion of macro 'kvm_trace_symbol_exit_types' 89 | kvm_trace_symbol_exit_types), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kvm/./trace.h:54:49: error: expected ')' before ',' token 54 | ({ KVM_TRACE_EXIT_IDLE, "IDLE" }, \ | ^ include/trace/trace_events.h:203:34: note: in definition of macro 'DECLARE_EVENT_CLASS' 203 | trace_event_printf(iter, print); \ | ^~~~~ arch/loongarch/kvm/./trace.h:87:13: note: in expansion of macro 'TP_printk' 87 | TP_printk("[%s]PC: 0x%08lx", | ^~~~~~~~~ arch/loongarch/kvm/./trace.h:88:23: note: in expansion of macro '__print_symbolic' 88 | __print_symbolic(__entry->reason, | ^~~~~~~~~~~~~~~~ arch/loongarch/kvm/./trace.h:89:40: note: in expansion of macro 'kvm_trace_symbol_exit_types' 89 | kvm_trace_symbol_exit_types), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kvm/./trace.h:54:9: warning: initialization of 'long unsigned int' from 'char *' makes integer from pointer without a cast [-Wint-conversion] 54 | ({ KVM_TRACE_EXIT_IDLE, "IDLE" }, \ | ^ include/trace/trace_events.h:203:34: note: in definition of macro 'DECLARE_EVENT_CLASS' 203 | trace_event_printf(iter, print); \ | ^~~~~ arch/loongarch/kvm/./trace.h:87:13: note: in expansion of macro 'TP_printk' 87 | TP_printk("[%s]PC: 0x%08lx", | ^~~~~~~~~ arch/loongarch/kvm/./trace.h:88:23: note: in expansion of macro '__print_symbolic' 88 | __print_symbolic(__entry->reason, | ^~~~~~~~~~~~~~~~ arch/loongarch/kvm/./trace.h:89:40: note: in expansion of macro 'kvm_trace_symbol_exit_types' 89 | kvm_trace_symbol_exit_types), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kvm/./trace.h:54:9: note: (near initialization for 'symbols[0].mask') 54 | ({ KVM_TRACE_EXIT_IDLE, "IDLE" }, \ | ^ include/trace/trace_events.h:203:34: note: in definition of macro 'DECLARE_EVENT_CLASS' 203 | trace_event_printf(iter, print); \ | ^~~~~ arch/loongarch/kvm/./trace.h:87:13: note: in expansion of macro 'TP_printk' 87 | TP_printk("[%s]PC: 0x%08lx", | ^~~~~~~~~ arch/loongarch/kvm/./trace.h:88:23: note: in expansion of macro '__print_symbolic' 88 | __print_symbolic(__entry->reason, | ^~~~~~~~~~~~~~~~ arch/loongarch/kvm/./trace.h:89:40: note: in expansion of macro 'kvm_trace_symbol_exit_types' 89 | kvm_trace_symbol_exit_types), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kvm/./trace.h:54:9: error: initializer element is not constant 54 | ({ KVM_TRACE_EXIT_IDLE, "IDLE" }, \ | ^ vim +69 arch/loongarch/kvm/./trace.h 2747799ba604af Tianrui Zhao 2023-02-28 51 2747799ba604af Tianrui Zhao 2023-02-28 52 /* Tracepoints for VM exits */ 2747799ba604af Tianrui Zhao 2023-02-28 53 #define kvm_trace_symbol_exit_types \ 2747799ba604af Tianrui Zhao 2023-02-28 54 ({ KVM_TRACE_EXIT_IDLE, "IDLE" }, \ 2747799ba604af Tianrui Zhao 2023-02-28 55 { KVM_TRACE_EXIT_CACHE, "CACHE" }, \ 2747799ba604af Tianrui Zhao 2023-02-28 56 { KVM_TRACE_EXIT_SIGNAL, "Signal" }) 2747799ba604af Tianrui Zhao 2023-02-28 57 2747799ba604af Tianrui Zhao 2023-02-28 58 TRACE_EVENT(kvm_exit_gspr, 2747799ba604af Tianrui Zhao 2023-02-28 59 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int inst_word), 2747799ba604af Tianrui Zhao 2023-02-28 60 TP_ARGS(vcpu, inst_word), 2747799ba604af Tianrui Zhao 2023-02-28 61 TP_STRUCT__entry( 2747799ba604af Tianrui Zhao 2023-02-28 62 __field(unsigned int, inst_word) 2747799ba604af Tianrui Zhao 2023-02-28 63 ), 2747799ba604af Tianrui Zhao 2023-02-28 64 2747799ba604af Tianrui Zhao 2023-02-28 65 TP_fast_assign( 2747799ba604af Tianrui Zhao 2023-02-28 66 __entry->inst_word = inst_word; 2747799ba604af Tianrui Zhao 2023-02-28 67 ), 2747799ba604af Tianrui Zhao 2023-02-28 68 2747799ba604af Tianrui Zhao 2023-02-28 @69 TP_printk("inst word: 0x%08lx", 2747799ba604af Tianrui Zhao 2023-02-28 70 __entry->inst_word) 2747799ba604af Tianrui Zhao 2023-02-28 71 ); 2747799ba604af Tianrui Zhao 2023-02-28 72 2747799ba604af Tianrui Zhao 2023-02-28 73 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests