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-rw-r--r--Documentation/dev-tools/kselftest.rst12
-rw-r--r--tools/testing/selftests/Makefile7
-rw-r--r--tools/testing/selftests/lib.mk19
3 files changed, 37 insertions, 1 deletions
diff --git a/Documentation/dev-tools/kselftest.rst b/Documentation/dev-tools/kselftest.rst
index ab376b316c36..522214c7b43b 100644
--- a/Documentation/dev-tools/kselftest.rst
+++ b/Documentation/dev-tools/kselftest.rst
@@ -255,9 +255,21 @@ Contributing new tests (details)
TEST_PROGS_EXTENDED, TEST_GEN_PROGS_EXTENDED mean it is the
executable which is not tested by default.
+
TEST_FILES, TEST_GEN_FILES mean it is the file which is used by
test.
+ TEST_INCLUDES is similar to TEST_FILES, it lists files which should be
+ included when exporting or installing the tests, with the following
+ differences:
+
+ * symlinks to files in other directories are preserved
+ * the part of paths below tools/testing/selftests/ is preserved when
+ copying the files to the output directory
+
+ TEST_INCLUDES is meant to list dependencies located in other directories of
+ the selftests hierarchy.
+
* First use the headers inside the kernel source and/or git repo, and then the
system headers. Headers for the kernel release as opposed to headers
installed by the distro on the system should be the primary focus to be able
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index 15b6a111c3be..082db6b68060 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -191,6 +191,8 @@ run_tests: all
@for TARGET in $(TARGETS); do \
BUILD_TARGET=$$BUILD/$$TARGET; \
$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests \
+ SRC_PATH=$(shell readlink -e $$(pwd)) \
+ OBJ_PATH=$(BUILD) \
O=$(abs_objtree); \
done;
@@ -241,7 +243,10 @@ ifdef INSTALL_PATH
@ret=1; \
for TARGET in $(TARGETS); do \
BUILD_TARGET=$$BUILD/$$TARGET; \
- $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \
+ $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET install \
+ INSTALL_PATH=$(INSTALL_PATH)/$$TARGET \
+ SRC_PATH=$(shell readlink -e $$(pwd)) \
+ OBJ_PATH=$(INSTALL_PATH) \
O=$(abs_objtree) \
$(if $(FORCE_TARGETS),|| exit); \
ret=$$((ret * $$?)); \
diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index aa646e0661f3..087fee22dd53 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -69,11 +69,29 @@ define RUN_TESTS
run_many $(1)
endef
+define INSTALL_INCLUDES
+ $(if $(TEST_INCLUDES), \
+ relative_files=""; \
+ for entry in $(TEST_INCLUDES); do \
+ entry_dir=$$(readlink -e "$$(dirname "$$entry")"); \
+ entry_name=$$(basename "$$entry"); \
+ relative_dir=$${entry_dir#"$$SRC_PATH"/}; \
+ if [ "$$relative_dir" = "$$entry_dir" ]; then \
+ echo "Error: TEST_INCLUDES entry \"$$entry\" not located inside selftests directory ($$SRC_PATH)" >&2; \
+ exit 1; \
+ fi; \
+ relative_files="$$relative_files $$relative_dir/$$entry_name"; \
+ done; \
+ cd $(SRC_PATH) && rsync -aR $$relative_files $(OBJ_PATH)/ \
+ )
+endef
+
run_tests: all
ifdef building_out_of_srctree
@if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \
rsync -aq --copy-unsafe-links $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT); \
fi
+ @$(INSTALL_INCLUDES)
@if [ "X$(TEST_PROGS)" != "X" ]; then \
$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) \
$(addprefix $(OUTPUT)/,$(TEST_PROGS))) ; \
@@ -103,6 +121,7 @@ endef
install: all
ifdef INSTALL_PATH
$(INSTALL_RULE)
+ $(INSTALL_INCLUDES)
else
$(error Error: set INSTALL_PATH to use install)
endif