bpf: make tracing helpers gpl only

exported perf symbols are GPL only, mark eBPF helper functions used in tracing as GPL only as well. Suggested-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
mariux64 · Oct 27, 2015 · 1075ef5 · 1075ef5
1 parent 62544ce
commit 1075ef5
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
@@ -214,7 +214,7 @@ static u64 bpf_perf_event_read(u64 r1, u64 index, u64 r3, u64 r4, u64 r5)
 
 static const struct bpf_func_proto bpf_perf_event_read_proto = {
 	.func		= bpf_perf_event_read,
-	.gpl_only	= false,
+	.gpl_only	= true,
 	.ret_type	= RET_INTEGER,
 	.arg1_type	= ARG_CONST_MAP_PTR,
 	.arg2_type	= ARG_ANYTHING,
@@ -255,7 +255,7 @@ static u64 bpf_perf_event_output(u64 r1, u64 r2, u64 index, u64 r4, u64 size)
 
 static const struct bpf_func_proto bpf_perf_event_output_proto = {
 	.func		= bpf_perf_event_output,
-	.gpl_only	= false,
+	.gpl_only	= true,
 	.ret_type	= RET_INTEGER,
 	.arg1_type	= ARG_PTR_TO_CTX,
 	.arg2_type	= ARG_CONST_MAP_PTR,