BPF_KPROBE_READ_RET_IP 502 tools/testing/selftests/bpf/bpf_helpers.h #define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ (ip) = (ctx)->link; }) BPF_KPROBE_READ_RET_IP 505 tools/testing/selftests/bpf/bpf_helpers.h #define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ (ip) = PT_REGS_RET(ctx); }) BPF_KPROBE_READ_RET_IP 508 tools/testing/selftests/bpf/bpf_helpers.h #define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ \