Allow the helper to be called from the perf_event_mmap hook. This is convenient to lookup vma->vm_file and implement a similar logic as perf_event_mmap_event in BPF. Signed-off-by: Florent Revest <revest@xxxxxxxxxxxx> --- kernel/trace/bpf_trace.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index cbcd0d6fca7c..f6e301c775a5 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -922,6 +922,9 @@ BTF_ID(func, vfs_fallocate) BTF_ID(func, dentry_open) BTF_ID(func, vfs_getattr) BTF_ID(func, filp_close) +#ifdef CONFIG_PERF_EVENTS +BTF_ID(func, perf_event_mmap) +#endif BTF_SET_END(btf_allowlist_d_path) static bool bpf_d_path_allowed(const struct bpf_prog *prog) -- 2.33.0.1079.g6e70778dc9-goog
