Messages in this thread | | | Date | Sat, 13 Aug 2022 21:37:47 +0800 | From | kernel test robot <> | Subject | [jolsa-perf:bpf/tracing_multi_new_1 22/23] kernel/bpf/syscall.c:3150:20: error: field has incomplete type 'struct ftrace_ops' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/tracing_multi_new_1 head: e27bb6c0f6805082ef71568985f74dcefe7ff6ff commit: dc38a65ab46f4ba538353c1eb7c64ac36202eb54 [22/23] fix config: mips-randconfig-r031-20220804 (https://download.01.org/0day-ci/archive/20220813/202208132147.npPyYMne-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 26dd42705c2af0b8f6e5d6cdb32c9bd5ed9524eb) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=dc38a65ab46f4ba538353c1eb7c64ac36202eb54 git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git git fetch --no-tags jolsa-perf bpf/tracing_multi_new_1 git checkout dc38a65ab46f4ba538353c1eb7c64ac36202eb54 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash kernel/bpf/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
kernel/bpf/syscall.c:2523:15: error: call to undeclared function 'is_tracing_multi'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] multi_func = is_tracing_multi(attr->expected_attach_type); ^ >> kernel/bpf/syscall.c:3150:20: error: field has incomplete type 'struct ftrace_ops' struct ftrace_ops fops; ^ include/linux/bpf.h:51:8: note: forward declaration of 'struct ftrace_ops' struct ftrace_ops; ^ kernel/bpf/syscall.c:3158:15: error: call to undeclared function 'bpf_trampoline_multi_detach'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] WARN_ON_ONCE(bpf_trampoline_multi_detach(&tr_link->fops, &tr_link->tp, tr_link->id)); ^ kernel/bpf/syscall.c:3166:2: error: call to undeclared function 'bpf_tramp_id_put'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] bpf_tramp_id_put(tr_link->id); ^ kernel/bpf/syscall.c:3166:2: note: did you mean 'bpf_trampoline_put'? include/linux/bpf.h:1021:20: note: 'bpf_trampoline_put' declared here static inline void bpf_trampoline_put(struct bpf_trampoline *tr) {} ^ kernel/bpf/syscall.c:3329:7: error: call to undeclared function 'bpf_tramp_id_alloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] id = bpf_tramp_id_alloc(cnt); ^ kernel/bpf/syscall.c:3329:5: error: incompatible integer to pointer conversion assigning to 'struct bpf_tramp_id *' from 'int' [-Wint-conversion] id = bpf_tramp_id_alloc(cnt); ^ ~~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf/syscall.c:3370:8: error: call to undeclared function 'bpf_trampoline_multi_attach'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] err = bpf_trampoline_multi_attach(&link->fops, &link->tp, id); ^ kernel/bpf/syscall.c:3370:8: note: did you mean 'bpf_tracing_multi_attach'? kernel/bpf/syscall.c:3314:12: note: 'bpf_tracing_multi_attach' declared here static int bpf_tracing_multi_attach(struct bpf_prog *prog, ^ kernel/bpf/syscall.c:4842:12: error: call to undeclared function 'is_tracing_multi'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] else if (is_tracing_multi(prog->expected_attach_type)) ^ 8 errors generated.
vim +3150 kernel/bpf/syscall.c
3144 3145 struct bpf_tracing_multi_link { 3146 struct bpf_link link; 3147 enum bpf_attach_type attach_type; 3148 struct bpf_tramp_prog tp; 3149 struct bpf_tramp_id *id; > 3150 struct ftrace_ops fops; 3151 }; 3152
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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