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Subject[PATCH 2/2] selftests: Add kselftest_install target to main Makefile
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Add kselftest_install target to install tests from the top level
Makefile. This is to simplify kselftest use-cases for CI and
distributions where build and test systems are different.

This change addresses requests from developers and testers to add
support for installing kselftest from the main Makefile.

In addition, make the install directory the same when install is
run using "make kselftest_install" or by running kselftest_install.sh.
Also fix the INSTALL_PATH variable conflict between main Makefile.

Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
---
Makefile | 4 ++++
tools/testing/selftests/Makefile | 8 ++++++--
tools/testing/selftests/kselftest_install.sh | 4 ++--
3 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index ac4af6fc4b50..65c62af6b6fa 100644
--- a/Makefile
+++ b/Makefile
@@ -1241,6 +1241,10 @@ PHONY += kselftest
kselftest:
$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests run_tests

+PHONY += kselftest_install
+kselftest_install:
+ $(Q)$(MAKE) -C $(srctree)/tools/testing/selftests install
+
PHONY += kselftest-clean
kselftest-clean:
$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests clean
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index c3feccb99ff5..bad18145ed1a 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -171,9 +171,12 @@ run_pstore_crash:
# 1. output_dir=kernel_src
# 2. a separate output directory is specified using O= KBUILD_OUTPUT
# 3. a separate output directory is specified using KBUILD_OUTPUT
+# Avoid conflict with INSTALL_PATH set by the main Makefile
#
-INSTALL_PATH ?= $(BUILD)/install
-INSTALL_PATH := $(abspath $(INSTALL_PATH))
+KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
+KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
+# Avoid changing the rest of the logic here and lib.mk.
+INSTALL_PATH := $(KSFT_INSTALL_PATH)
ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh

install: all
@@ -203,6 +206,7 @@ ifdef INSTALL_PATH
echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
echo "cd $$TARGET" >> $(ALL_SCRIPT); \
echo -n "run_many" >> $(ALL_SCRIPT); \
+ echo -n "Emit Tests for $$TARGET\n"; \
$(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
echo "" >> $(ALL_SCRIPT); \
echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
diff --git a/tools/testing/selftests/kselftest_install.sh b/tools/testing/selftests/kselftest_install.sh
index ec304463883c..e2e1911d62d5 100755
--- a/tools/testing/selftests/kselftest_install.sh
+++ b/tools/testing/selftests/kselftest_install.sh
@@ -24,12 +24,12 @@ main()
echo "$0: Installing in specified location - $install_loc ..."
fi

- install_dir=$install_loc/kselftest
+ install_dir=$install_loc/kselftest_install

# Create install directory
mkdir -p $install_dir
# Build tests
- INSTALL_PATH=$install_dir make install
+ KSFT_INSTALL_PATH=$install_dir make install
}

main "$@"
--
2.20.1
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