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Message-Id: <20210217010821.1810741-16-joe@wand.net.nz>
Date: Tue, 16 Feb 2021 17:08:19 -0800
From: Joe Stringer <joe@...d.net.nz>
To: bpf@...r.kernel.org
Cc: Joe Stringer <joe@...ium.io>, netdev@...r.kernel.org,
daniel@...earbox.net, ast@...nel.org, mtk.manpages@...il.com,
Quentin Monnet <quentin@...valent.com>
Subject: [PATCH bpf-next 15/17] selftests/bpf: Add docs target
From: Joe Stringer <joe@...ium.io>
This docs target will run the scripts/bpf_doc.py against the BPF UAPI
headers to ensure that the parser used for generating manual pages from
the headers doesn't trip on any newly added API documentation.
While we're at it, remove the bpftool-specific docs check target since
that would just be duplicated with the new target anyhow.
Reviewed-by: Quentin Monnet <quentin@...valent.com>
Signed-off-by: Joe Stringer <joe@...ium.io>
---
tools/testing/selftests/bpf/Makefile | 20 +++++++++++++-----
.../selftests/bpf/test_bpftool_build.sh | 21 -------------------
tools/testing/selftests/bpf/test_doc_build.sh | 13 ++++++++++++
3 files changed, 28 insertions(+), 26 deletions(-)
create mode 100755 tools/testing/selftests/bpf/test_doc_build.sh
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 044bfdcf5b74..e1a76444670c 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -68,6 +68,7 @@ TEST_PROGS := test_kmod.sh \
test_bpftool_build.sh \
test_bpftool.sh \
test_bpftool_metadata.sh \
+ test_docs_build.sh \
test_xsk.sh
TEST_PROGS_EXTENDED := with_addr.sh \
@@ -103,6 +104,7 @@ override define CLEAN
$(call msg,CLEAN)
$(Q)$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
$(Q)$(MAKE) -C bpf_testmod clean
+ $(Q)$(MAKE) docs-clean
endef
include ../lib.mk
@@ -180,6 +182,7 @@ $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL)
cp $(SCRATCH_DIR)/runqslower $@
$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ)
+$(TEST_GEN_FILES): docs
$(OUTPUT)/test_dev_cgroup: cgroup_helpers.c
$(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c
@@ -200,11 +203,16 @@ $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \
CC=$(HOSTCC) LD=$(HOSTLD) \
OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \
prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install
- $(Q)mkdir -p $(BUILD_DIR)/bpftool/Documentation
- $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \
- -C $(BPFTOOLDIR)/Documentation \
- OUTPUT=$(BUILD_DIR)/bpftool/Documentation/ \
- prefix= DESTDIR=$(SCRATCH_DIR)/ install
+
+docs:
+ $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \
+ -C $(TOOLSDIR)/bpf -f Makefile.docs \
+ prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@
+
+docs-clean:
+ $(Q)$(MAKE) $(submake_extras) \
+ -C $(TOOLSDIR)/bpf -f Makefile.docs \
+ prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@
$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \
../../../include/uapi/linux/bpf.h \
@@ -476,3 +484,5 @@ EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \
prog_tests/tests.h map_tests/tests.h verifier/tests.h \
feature \
$(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32 bpf_gcc bpf_testmod.ko)
+
+.PHONY: docs docs-clean
diff --git a/tools/testing/selftests/bpf/test_bpftool_build.sh b/tools/testing/selftests/bpf/test_bpftool_build.sh
index 2db3c60e1e61..ac349a5cea7e 100755
--- a/tools/testing/selftests/bpf/test_bpftool_build.sh
+++ b/tools/testing/selftests/bpf/test_bpftool_build.sh
@@ -85,23 +85,6 @@ make_with_tmpdir() {
echo
}
-make_doc_and_clean() {
- echo -e "\$PWD: $PWD"
- echo -e "command: make -s $* doc >/dev/null"
- RST2MAN_OPTS="--exit-status=1" make $J -s $* doc
- if [ $? -ne 0 ] ; then
- ERROR=1
- printf "FAILURE: Errors or warnings when building documentation\n"
- fi
- (
- if [ $# -ge 1 ] ; then
- cd ${@: -1}
- fi
- make -s doc-clean
- )
- echo
-}
-
echo "Trying to build bpftool"
echo -e "... through kbuild\n"
@@ -162,7 +145,3 @@ make_and_clean
make_with_tmpdir OUTPUT
make_with_tmpdir O
-
-echo -e "Checking documentation build\n"
-# From tools/bpf/bpftool
-make_doc_and_clean
diff --git a/tools/testing/selftests/bpf/test_doc_build.sh b/tools/testing/selftests/bpf/test_doc_build.sh
new file mode 100755
index 000000000000..7eb940a7b2eb
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_doc_build.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+
+# Assume script is located under tools/testing/selftests/bpf/. We want to start
+# build attempts from the top of kernel repository.
+SCRIPT_REL_PATH=$(realpath --relative-to=$PWD $0)
+SCRIPT_REL_DIR=$(dirname $SCRIPT_REL_PATH)
+KDIR_ROOT_DIR=$(realpath $PWD/$SCRIPT_REL_DIR/../../../../)
+cd $KDIR_ROOT_DIR
+
+for tgt in docs docs-clean; do
+ make -s -C $PWD/$SCRIPT_REL_DIR $tgt;
+done
--
2.27.0
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