bpf: offload: allow offloaded programs to use perf event arrays
BPF_MAP_TYPE_PERF_EVENT_ARRAY is special as far as offload goes. The map only holds glue to perf ring, not actual data. Allow non-offloaded perf event arrays to be used in offloaded programs. Offload driver can extract the events from HW and put them in the map for user space to retrieve. Signed-off-by: NJakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: NQuentin Monnet <quentin.monnet@netronome.com> Reviewed-by: NJiong Wang <jiong.wang@netronome.com> Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net>
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