Haiyue Wang
568fe0294d
Fix BPF program build warnings on Linux-6.19.0-rc1, more detail is [1]:
A). clang-bpf
[781/2458] Generating src/network/bpf/sysctl-monitor/sysctl-monitor.bpf.unstripped.o with a custom command
In file included from ../src/network/bpf/sysctl-monitor/sysctl-monitor.bpf.c:3:
./vmlinux.h:60263:3: warning: declaration does not declare anything [-Wmissing-declarations]
60263 | struct ns_tree;
| ^~~~~~~~~~~~~~
./vmlinux.h:80251:2: warning: declaration does not declare anything [-Wmissing-declarations]
80251 | struct __fs_path;
| ^~~~~~~~~~~~~~~~
./vmlinux.h:96184:2: warning: declaration does not declare anything [-Wmissing-declarations]
96184 | struct freelist_tid;
| ^~~~~~~~~~~~~~~~~~~
./vmlinux.h:114441:2: warning: declaration does not declare anything [-Wmissing-declarations]
114441 | struct renamedata;
| ^~~~~~~~~~~~~~~~~
./vmlinux.h:118480:2: warning: declaration does not declare anything [-Wmissing-declarations]
118480 | union pipe_index;
| ^~~~~~~~~~~~~~~~
./vmlinux.h:130452:4: warning: declaration does not declare anything [-Wmissing-declarations]
130452 | struct freelist_counters;
| ^~~~~~~~~~~~~~~~~~~~~~~~
6 warnings generated.
B). gcc-bpf
meson setup -Dbpf-compiler=gcc build
[1040/2458] Generating src/network/bpf/sysctl-monitor/sysctl-monitor.bpf.unstripped.o with a custom command
In file included from ../src/network/bpf/sysctl-monitor/sysctl-monitor.bpf.c:3:
./vmlinux.h:60263:31: warning: declaration does not declare anything
60263 | struct ns_tree;
| ^
./vmlinux.h:80251:25: warning: declaration does not declare anything
80251 | struct __fs_path;
| ^
./vmlinux.h:96184:28: warning: declaration does not declare anything
96184 | struct freelist_tid;
| ^
./vmlinux.h:114441:26: warning: declaration does not declare anything
114441 | struct renamedata;
| ^
./vmlinux.h:118480:25: warning: declaration does not declare anything
118480 | union pipe_index;
| ^
./vmlinux.h:130452:49: warning: declaration does not declare anything
130452 | struct freelist_counters;
| ^
[1] https://git.kernel.org/torvalds/c/639f58a0f480
"bpftool: Fix build warnings due to MS extensions"
Signed-off-by: Haiyue Wang <haiyuewa@163.com>
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