Currently, kselftests does not have a generalised mechanism to skip compilation and run tests when required kernel configuration flags are missing.

This patch introduces a check to validate the presence of required config flags specified in the selftest config files. In case scripts/config or the current kernel config is not found, this check is skipped.

In order to skip checking for config options required to compile the test, set the environment variable SKIP_CHECKS=1.

example usage: ``` make SKIP_CHECKS=1 -C livepatch/ ```

Suggested-by: Petr Mladek pmladek@suse.com Suggested-by: Miroslav Benes mbenes@suse.cz Signed-off-by: Siddharth Menon simeddon@gmail.com --- v1->v2: - Moved the logic to check for required configurations to an external script v2 -> v3: - Add SKIP_CHECKS flag to skip checking the dependencies if required - Updated the test skip statement to be more meaningful tools/testing/selftests/lib.mk | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) mode change 100644 => 100755 tools/testing/selftests/lib.mk

diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk old mode 100644 new mode 100755 index d6edcfcb5be8..0e11d1d3bab8 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -97,7 +97,18 @@ TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS)) TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED)) TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))

-all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) \ +TEST_DIR := $(shell pwd) + +check_kselftest_deps: +ifneq ($(SKIP_CHECKS),1) + @$(selfdir)/check_kselftest_deps.pl $(TEST_DIR) $(CC) || { \ + echo "Skipping test: $(notdir $(TEST_DIR)) (missing required kernel features)"; \ + exit 1; \ + } +endif + + +all: check_kselftest_deps $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) \ $(if $(TEST_GEN_MODS_DIR),gen_mods_dir)

define RUN_TESTS @@ -228,4 +239,4 @@ $(OUTPUT)/%:%.S $(LINK.S) $^ $(LDLIBS) -o $@ endif

-.PHONY: run_tests all clean install emit_tests gen_mods_dir clean_mods_dir +.PHONY: run_tests all clean install emit_tests gen_mods_dir clean_mods_dir check_kselftest_deps