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authorEmil Tsalapatis <emil@etsalapatis.com>2025-03-17 23:07:53 -0400
committerAlexei Starovoitov <ast@kernel.org>2025-03-18 10:21:59 -0700
commitae0a457f5d33c336f3c4259a258f8b537531a04b (patch)
treedd224c5dd81e01a2fcb341dbdd335ea7006e20f3 /kernel/bpf/helpers.c
parentf3f8649585a445414521a6d5b76f41b51205086d (diff)
bpf: Make perf_event_read_output accessible in all program types.
The perf_event_read_event_output helper is currently only available to tracing protrams, but is useful for other BPF programs like sched_ext schedulers. When the helper is available, provide its bpf_func_proto directly from the bpf base_proto. Signed-off-by: Emil Tsalapatis (Meta) <emil@etsalapatis.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Link: https://lore.kernel.org/r/20250318030753.10949-1-emil@etsalapatis.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'kernel/bpf/helpers.c')
-rw-r--r--kernel/bpf/helpers.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index 5449756ba102..ddaa41a70676 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -2056,6 +2056,8 @@ bpf_base_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
return &bpf_task_pt_regs_proto;
case BPF_FUNC_trace_vprintk:
return bpf_get_trace_vprintk_proto();
+ case BPF_FUNC_perf_event_read_value:
+ return bpf_get_perf_event_read_value_proto();
default:
return NULL;
}