[PATCH bpf-next 2/2] selftests: bpf docs: Use installed kernel headers search path

[Mathieu Desnoyers]

Use $(KHDR_INCLUDES) as lookup path for installed kernel headers rather
than using kernel headers in include/uapi from the source kernel tree
kernel headers.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
Acked-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
Cc: <bpf@xxxxxxxxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Cc: linux-kselftest@xxxxxxxxxxxxxxx
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxxxxxx>
Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Cc: Andrii Nakryiko <andrii@xxxxxxxxxx>
Cc: Martin KaFai Lau <martin.lau@xxxxxxxxx>
Cc: Song Liu <song@xxxxxxxxxx>
Cc: Yonghong Song <yhs@xxxxxx>
Cc: John Fastabend <john.fastabend@xxxxxxxxx>
Cc: KP Singh <kpsingh@xxxxxxxxxx>
Cc: Stanislav Fomichev <sdf@xxxxxxxxxx>
Cc: Hao Luo <haoluo@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Mykola Lysenko <mykolal@xxxxxx>
---
 tools/testing/selftests/bpf/Makefile.docs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/Makefile.docs b/tools/testing/selftests/bpf/Makefile.docs
index eb6a4fea8c79..0a538d873def 100644
--- a/tools/testing/selftests/bpf/Makefile.docs
+++ b/tools/testing/selftests/bpf/Makefile.docs
@@ -44,7 +44,7 @@ RST2MAN_DEP := $(shell command -v rst2man 2>/dev/null)
 # $1 - target for scripts/bpf_doc.py
 # $2 - man page section to generate the troff file
 define DOCS_RULES =
-$(OUTPUT)bpf-$1.rst: ../../../../include/uapi/linux/bpf.h
+$(OUTPUT)bpf-$1.rst: $(KHDR_INCLUDES)/linux/bpf.h
 	$$(QUIET_GEN)../../../../scripts/bpf_doc.py $1 \
 		--filename $$< > $$@
 
-- 
2.25.1