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uprobe: gate bpf call behind BPF_EVENTS

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The call into bpf from uprobes needs to be gated now that it doesn't use
the trace_events.h helpers.

Randy found this as a randconfig build failure on linux-next [1].

  [1]: https://lore.kernel.org/linux-next/2de99180-7d55-2fdf-134d-33198c27cc58@infradead.org/

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Delyan Kratunov <delyank@fb.com>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/cb8bfbbcde87ed5d811227a393ef4925f2aadb7b.camel@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Delyan Kratunov 2022-06-20 21:47:55 +00:00 committed by Alexei Starovoitov
parent e068c0776b
commit aca80dd95e
1 changed files with 2 additions and 0 deletions
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2
kernel/trace/trace_uprobe.c
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@ -1344,6 +1344,7 @@ static void __uprobe_perf_func(struct trace_uprobe *tu,
int size, esize;
int rctx;
#ifdef CONFIG_BPF_EVENTS
if (bpf_prog_array_valid(call)) {
u32 ret;
@ -1351,6 +1352,7 @@ static void __uprobe_perf_func(struct trace_uprobe *tu,
if (!ret)
return;
}
#endif /* CONFIG_BPF_EVENTS */
esize = SIZEOF_TRACE_ENTRY(is_ret_probe(tu));