10:17 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/fprobe_link_6
head: bb2f8cf233977d40c029e2f718e95f637980e350
commit: 00327b2f7c60bd84d8c5e887003987b2e688d159 [3/11] bpf: Add support to attach kprobe
program with fprobe
config: hexagon-randconfig-r041-20220214
(https://download.01.org/0day-ci/archive/20220215/202202150707.pEsVvhSW-lk...)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project
ea071884b0cc7210b3cc5fe858f0e892a779a23b)
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/jolsa/perf.git/commit/?id...
git remote add jolsa-perf
https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
git fetch --no-tags jolsa-perf bpf/fprobe_link_6
git checkout 00327b2f7c60bd84d8c5e887003987b2e688d159
# 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=hexagon SHELL=/bin/bash drivers/base/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/base/syscore.c:12:
In file included from include/trace/events/power.h:12:
> include/linux/trace_events.h:781:47: warning: declaration of
'union bpf_attr' will not be visible outside of this function [-Wvisibility]
static int bpf_fprobe_link_attach(const union bpf_attr *attr, struct bpf_prog
*prog)
^
include/linux/trace_events.h:781:12: warning: unused function
'bpf_fprobe_link_attach' [-Wunused-function]
static int bpf_fprobe_link_attach(const union bpf_attr *attr, struct bpf_prog *prog)
^
2 warnings generated.
vim +781 include/linux/trace_events.h
753
754 static inline int
755 perf_event_query_prog_array(struct perf_event *event, void __user *info)
756 {
757 return -EOPNOTSUPP;
758 }
759 static inline int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog
*p)
760 {
761 return -EOPNOTSUPP;
762 }
763 static inline int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct
bpf_prog *p)
764 {
765 return -EOPNOTSUPP;
766 }
767 static inline struct bpf_raw_event_map *bpf_get_raw_tracepoint(const char *name)
768 {
769 return NULL;
770 }
771 static inline void bpf_put_raw_tracepoint(struct bpf_raw_event_map *btp)
772 {
773 }
774 static inline int bpf_get_perf_event_info(const struct perf_event *event,
775 u32 *prog_id, u32 *fd_type,
776 const char **buf, u64 *probe_offset,
777 u64 *probe_addr)
778 {
779 return -EOPNOTSUPP;
780 }
781 static int bpf_fprobe_link_attach(const union bpf_attr *attr,
struct bpf_prog *prog)
782 {
783 return -EOPNOTSUPP;
784 }
785 #endif
786
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org