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perf/bpf: Create bpf_overflow_handler() stub for !CONFIG_BPF_SYSCALL

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This will allow __perf_event_overflow() (which is independent of
CONFIG_BPF_SYSCALL) to call bpf_overflow_handler().

Signed-off-by: Kyle Huey <khuey@kylehuey.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240412015019.7060-3-khuey@kylehuey.com
This commit is contained in:
Kyle Huey 2024-04-11 18:50:14 -07:00 committed by Ingo Molnar
parent 4c03fe11b9
commit 924d934393
1 changed files with 6 additions and 0 deletions
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6
kernel/events/core.c
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@ -9643,6 +9643,12 @@ static void perf_event_free_bpf_handler(struct perf_event *event)
bpf_prog_put(prog);
}
#else
static void bpf_overflow_handler(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
}
static int perf_event_set_bpf_handler(struct perf_event *event,
struct bpf_prog *prog,
u64 bpf_cookie)