On Tue, Aug 17, 2021 at 3:36 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 9803fb968c8c2e1283f67b3baeb88e0adba435b4 > commit: 82e6b1eee6a8875ef4eacfd60711cce6965c6b04 [7954/8516] bpf: Allow to specify user-provided bpf_cookie for BPF perf links > config: i386-randconfig-r021-20210816 (attached as .config) > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 2c6448cdc2f68f8c28fd0bd9404182b81306e6e6) > 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/next/linux-next.git/commit/?id=82e6b1eee6a8875ef4eacfd60711cce6965c6b04 > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git fetch --no-tags linux-next master > git checkout 82e6b1eee6a8875ef4eacfd60711cce6965c6b04 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=i386 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > include/linux/tracepoint.h:419:2: note: expanded from macro 'DECLARE_TRACE' > __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ > ^ > include/linux/tracepoint.h:279:42: note: expanded from macro '__DECLARE_TRACE' > check_trace_callback_type_##name(void (*cb)(data_proto)) \ > ^ > In file included from drivers/gpu/drm/i915/i915_trace_points.c:13: > drivers/gpu/drm/i915/i915_trace.h:956:1: warning: unused parameter 'cb' [-Wunused-parameter] > TRACE_EVENT_CONDITION(i915_reg_rw, > ^ > include/linux/tracepoint.h:563:2: note: expanded from macro 'TRACE_EVENT_CONDITION' > DECLARE_TRACE_CONDITION(name, PARAMS(proto), \ > ^ > include/linux/tracepoint.h:424:2: note: expanded from macro 'DECLARE_TRACE_CONDITION' > __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ > ^ > include/linux/tracepoint.h:279:42: note: expanded from macro '__DECLARE_TRACE' > check_trace_callback_type_##name(void (*cb)(data_proto)) \ > ^ > In file included from drivers/gpu/drm/i915/i915_trace_points.c:13: > drivers/gpu/drm/i915/i915_trace.h:984:1: warning: unused parameter 'cb' [-Wunused-parameter] > TRACE_EVENT(intel_gpu_freq_change, > ^ > include/linux/tracepoint.h:553:2: note: expanded from macro 'TRACE_EVENT' > DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) > ^ > include/linux/tracepoint.h:419:2: note: expanded from macro 'DECLARE_TRACE' > __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ > ^ > include/linux/tracepoint.h:279:42: note: expanded from macro '__DECLARE_TRACE' > check_trace_callback_type_##name(void (*cb)(data_proto)) \ > ^ > In file included from drivers/gpu/drm/i915/i915_trace_points.c:13: > drivers/gpu/drm/i915/i915_trace.h:1026:1: warning: unused parameter 'cb' [-Wunused-parameter] > DEFINE_EVENT(i915_ppgtt, i915_ppgtt_create, > ^ > include/linux/tracepoint.h:542:2: note: expanded from macro 'DEFINE_EVENT' > DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) > ^ > include/linux/tracepoint.h:419:2: note: expanded from macro 'DECLARE_TRACE' > __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ > ^ > include/linux/tracepoint.h:279:42: note: expanded from macro '__DECLARE_TRACE' > check_trace_callback_type_##name(void (*cb)(data_proto)) \ > ^ > In file included from drivers/gpu/drm/i915/i915_trace_points.c:13: > drivers/gpu/drm/i915/i915_trace.h:1031:1: warning: unused parameter 'cb' [-Wunused-parameter] > DEFINE_EVENT(i915_ppgtt, i915_ppgtt_release, > ^ > include/linux/tracepoint.h:542:2: note: expanded from macro 'DEFINE_EVENT' > DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) > ^ > include/linux/tracepoint.h:419:2: note: expanded from macro 'DECLARE_TRACE' > __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ > ^ > include/linux/tracepoint.h:279:42: note: expanded from macro '__DECLARE_TRACE' > check_trace_callback_type_##name(void (*cb)(data_proto)) \ > ^ > In file included from drivers/gpu/drm/i915/i915_trace_points.c:13: > drivers/gpu/drm/i915/i915_trace.h:1063:1: warning: unused parameter 'cb' [-Wunused-parameter] > DEFINE_EVENT(i915_context, i915_context_create, > ^ > include/linux/tracepoint.h:542:2: note: expanded from macro 'DEFINE_EVENT' > DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) > ^ > include/linux/tracepoint.h:419:2: note: expanded from macro 'DECLARE_TRACE' > __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ > ^ > include/linux/tracepoint.h:279:42: note: expanded from macro '__DECLARE_TRACE' > check_trace_callback_type_##name(void (*cb)(data_proto)) \ > ^ > In file included from drivers/gpu/drm/i915/i915_trace_points.c:13: > drivers/gpu/drm/i915/i915_trace.h:1068:1: warning: unused parameter 'cb' [-Wunused-parameter] > DEFINE_EVENT(i915_context, i915_context_free, > ^ > include/linux/tracepoint.h:542:2: note: expanded from macro 'DEFINE_EVENT' > DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) > ^ > include/linux/tracepoint.h:419:2: note: expanded from macro 'DECLARE_TRACE' > __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ > ^ > include/linux/tracepoint.h:279:42: note: expanded from macro '__DECLARE_TRACE' > check_trace_callback_type_##name(void (*cb)(data_proto)) \ > ^ > In file included from drivers/gpu/drm/i915/i915_trace_points.c:13: > In file included from include/trace/../../drivers/gpu/drm/i915/i915_trace.h:1078: > In file included from include/trace/define_trace.h:102: > In file included from include/trace/trace_events.h:21: > include/linux/trace_events.h:689:68: warning: unused parameter 'call' [-Wunused-parameter] > static inline unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx) > ^ > include/linux/trace_events.h:689:80: warning: unused parameter 'ctx' [-Wunused-parameter] > static inline unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx) > ^ > include/linux/trace_events.h:695:47: warning: unused parameter 'event' [-Wunused-parameter] > perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog, u64 bpf_cookie) > ^ > include/linux/trace_events.h:695:71: warning: unused parameter 'prog' [-Wunused-parameter] > perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog, u64 bpf_cookie) > ^ > >> include/linux/trace_events.h:695:81: warning: unused parameter 'bpf_cookie' [-Wunused-parameter] > perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog, u64 bpf_cookie) > ^ > include/linux/trace_events.h:700:66: warning: unused parameter 'event' [-Wunused-parameter] > static inline void perf_event_detach_bpf_prog(struct perf_event *event) { } > ^ > include/linux/trace_events.h:703:48: warning: unused parameter 'event' [-Wunused-parameter] > perf_event_query_prog_array(struct perf_event *event, void __user *info) > ^ > include/linux/trace_events.h:703:68: warning: unused parameter 'info' [-Wunused-parameter] > perf_event_query_prog_array(struct perf_event *event, void __user *info) > ^ > include/linux/trace_events.h:707:64: warning: unused parameter 'btp' [-Wunused-parameter] > static inline int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *p) > ^ > include/linux/trace_events.h:707:86: warning: unused parameter 'p' [-Wunused-parameter] > static inline int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *p) > ^ > include/linux/trace_events.h:711:66: warning: unused parameter 'btp' [-Wunused-parameter] > static inline int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *p) > ^ > include/linux/trace_events.h:711:88: warning: unused parameter 'p' [-Wunused-parameter] > static inline int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *p) > ^ > include/linux/trace_events.h:715:76: warning: unused parameter 'name' [-Wunused-parameter] > static inline struct bpf_raw_event_map *bpf_get_raw_tracepoint(const char *name) > ^ > include/linux/trace_events.h:719:69: warning: unused parameter 'btp' [-Wunused-parameter] > static inline void bpf_put_raw_tracepoint(struct bpf_raw_event_map *btp) > ^ > include/linux/trace_events.h:722:68: warning: unused parameter 'event' [-Wunused-parameter] > static inline int bpf_get_perf_event_info(const struct perf_event *event, > ^ > include/linux/trace_events.h:723:13: warning: unused parameter 'prog_id' [-Wunused-parameter] > u32 *prog_id, u32 *fd_type, > ^ > include/linux/trace_events.h:723:27: warning: unused parameter 'fd_type' [-Wunused-parameter] > u32 *prog_id, u32 *fd_type, > ^ > include/linux/trace_events.h:724:21: warning: unused parameter 'buf' [-Wunused-parameter] > const char **buf, u64 *probe_offset, > ^ > include/linux/trace_events.h:724:31: warning: unused parameter 'probe_offset' [-Wunused-parameter] > const char **buf, u64 *probe_offset, > ^ > include/linux/trace_events.h:725:13: warning: unused parameter 'probe_addr' [-Wunused-parameter] > u64 *probe_addr) > ^ > In file included from drivers/gpu/drm/i915/i915_trace_points.c:13: > In file included from include/trace/../../drivers/gpu/drm/i915/i915_trace.h:1078: > In file included from include/trace/define_trace.h:102: > In file included from include/trace/trace_events.h:427: > include/trace/../../drivers/gpu/drm/i915/i915_trace.h:24:1: warning: unused parameter 'flags' [-Wunused-parameter] > TRACE_EVENT(intel_pipe_enable, > ^ > include/trace/trace_events.h:75:2: note: expanded from macro 'TRACE_EVENT' > DECLARE_EVENT_CLASS(name, \ > ^ > include/trace/trace_events.h:379:58: note: expanded from macro 'DECLARE_EVENT_CLASS' > trace_raw_output_##call(struct trace_iterator *iter, int flags, \ > ^ > In file included from drivers/gpu/drm/i915/i915_trace_points.c:13: > In file included from include/trace/../../drivers/gpu/drm/i915/i915_trace.h:1078: > In file included from include/trace/define_trace.h:102: > In file included from include/trace/trace_events.h:427: > include/trace/../../drivers/gpu/drm/i915/i915_trace.h:50:1: warning: unused parameter 'flags' [-Wunused-parameter] > TRACE_EVENT(intel_pipe_disable, > ^ > include/trace/trace_events.h:75:2: note: expanded from macro 'TRACE_EVENT' > DECLARE_EVENT_CLASS(name, \ > ^ > include/trace/trace_events.h:379:58: note: expanded from macro 'DECLARE_EVENT_CLASS' > trace_raw_output_##call(struct trace_iterator *iter, int flags, \ > ^ > In file included from drivers/gpu/drm/i915/i915_trace_points.c:13: > In file included from include/trace/../../drivers/gpu/drm/i915/i915_trace.h:1078: > In file included from include/trace/define_trace.h:102: > In file included from include/trace/trace_events.h:427: > include/trace/../../drivers/gpu/drm/i915/i915_trace.h:77:1: warning: unused parameter 'flags' [-Wunused-parameter] > TRACE_EVENT(intel_pipe_crc, > ^ > include/trace/trace_events.h:75:2: note: expanded from macro 'TRACE_EVENT' > DECLARE_EVENT_CLASS(name, \ > ^ > include/trace/trace_events.h:379:58: note: expanded from macro 'DECLARE_EVENT_CLASS' > trace_raw_output_##call(struct trace_iterator *iter, int flags, \ > ^ > In file included from drivers/gpu/drm/i915/i915_trace_points.c:13: > In file included from include/trace/../../drivers/gpu/drm/i915/i915_trace.h:1078: > In file included from include/trace/define_trace.h:102: > In file included from include/trace/trace_events.h:427: > include/trace/../../drivers/gpu/drm/i915/i915_trace.h:101:1: warning: unused parameter 'flags' [-Wunused-parameter] > TRACE_EVENT(intel_cpu_fifo_underrun, > ^ > include/trace/trace_events.h:75:2: note: expanded from macro 'TRACE_EVENT' > DECLARE_EVENT_CLASS(name, \ > ^ > include/trace/trace_events.h:379:58: note: expanded from macro 'DECLARE_EVENT_CLASS' > trace_raw_output_##call(struct trace_iterator *iter, int flags, \ > ^ > In file included from drivers/gpu/drm/i915/i915_trace_points.c:13: > > > vim +/bpf_cookie +695 include/linux/trace_events.h > > 693 > 694 static inline int > > 695 perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog, u64 bpf_cookie) This is expected for such stub implementations. Is there any way to silence this or make the compiler happy about that? > 696 { > 697 return -EOPNOTSUPP; > 698 } > 699 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
