A few selftests and, more importantly, a consequent changes to the
bpf_helpers.h file use likely/unlikely macros. So define them here.
Signed-off-by: Anton Protopopov <aspsk@xxxxxxxxxxxxx>
---
tools/lib/bpf/bpf_helpers.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h
index 686824b8b413..a50773d4616e 100644
--- a/tools/lib/bpf/bpf_helpers.h
+++ b/tools/lib/bpf/bpf_helpers.h
@@ -15,6 +15,14 @@
#define __array(name, val) typeof(val) *name[]
#define __ulong(name, val) enum { ___bpf_concat(__unique_value, __COUNTER__) = val } name
+#ifndef likely
+#define likely(x) (__builtin_expect(!!(x), 1))
+#endif
+
+#ifndef unlikely
+#define unlikely(x) (__builtin_expect(!!(x), 0))
+#endif
+
/*
* Helper macro to place programs, maps, license in
* different sections in elf_bpf file. Section names
--
2.34.1
