1 # SPDX-License-Identifier: GPL-2.0
6 TARGETS += capabilities
10 TARGETS += cpu-hotplug
11 TARGETS += drivers/dma-buf
14 TARGETS += filesystems
15 TARGETS += filesystems/binderfs
16 TARGETS += filesystems/epoll
21 TARGETS += intel_pstate
32 TARGETS += memory-hotplug
36 TARGETS += net/forwarding
41 TARGETS += pid_namespace
50 TARGETS += sigaltstack
54 TARGETS += static_keys
58 ifneq (1, $(quicktest))
67 #Please keep the TARGETS list alphabetically sorted
68 # Run "make quicktest=1 run_tests" or
69 # "make quicktest=1 kselftest" from top level Makefile
71 TARGETS_HOTPLUG = cpu-hotplug
72 TARGETS_HOTPLUG += memory-hotplug
74 # User can optionally provide a TARGETS skiplist.
76 ifneq ($(SKIP_TARGETS),)
77 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
78 override TARGETS := $(TMP)
81 # User can set FORCE_TARGETS to 1 to require all targets to be successfully
82 # built; make will fail if any of the targets cannot be built. If
83 # FORCE_TARGETS is not set (the default), make will succeed if at least one
84 # of the targets gets built.
87 # Clear LDFLAGS and MAKEFLAGS if called from main
88 # Makefile to avoid test build failures when test
89 # Makefile doesn't have explicit build rules.
95 # Append kselftest to KBUILD_OUTPUT and O to avoid cluttering
96 # KBUILD_OUTPUT with selftest objects and headers installed
97 # by selftests Makefile or lib.mk.
98 ifdef building_out_of_srctree
103 BUILD := $(O)/kselftest
105 ifneq ($(KBUILD_OUTPUT),)
106 BUILD := $(KBUILD_OUTPUT)/kselftest
108 BUILD := $(shell pwd)
109 DEFAULT_INSTALL_HDR_PATH := 1
113 # Prepare for headers install
114 top_srcdir ?= ../../..
115 include $(top_srcdir)/scripts/subarch.include
117 export KSFT_KHDR_INSTALL_DONE := 1
120 # build and run gpio when output directory is the src dir.
121 # gpio has dependency on tools/gpio and builds tools/gpio
122 # objects in the src directory in all cases making the src
123 # repo dirty even when objects are relocated.
124 ifneq (1,$(DEFAULT_INSTALL_HDR_PATH))
125 TMP := $(filter-out gpio, $(TARGETS))
129 # set default goal to all, so make without a target runs all, even when
130 # all isn't the first target in the file.
133 # Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
134 # is used to avoid running headers_install from lib.mk.
135 # Invoke headers install with --no-builtin-rules to avoid circular
136 # dependency in "make kselftest" case. In this case, second level
137 # make inherits builtin-rules which will use the rule generate
138 # Makefile.o and runs into
139 # "Circular Makefile.o <- prepare dependency dropped."
140 # and headers_install fails and test compile fails.
142 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
143 # invokes them as sub-makes and --no-builtin-rules is not necessary,
144 # but doesn't cause any failures. Keep it simple and use the same
145 # flags in both cases.
146 # Local build cases: "make kselftest", "make -C" - headers are installed
147 # in the default INSTALL_HDR_PATH usr/include.
149 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
150 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
152 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
153 ARCH=$(ARCH) -C $(top_srcdir) headers_install
158 for TARGET in $(TARGETS); do \
159 BUILD_TARGET=$$BUILD/$$TARGET; \
160 mkdir $$BUILD_TARGET -p; \
161 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \
162 $(if $(FORCE_TARGETS),|| exit); \
163 ret=$$((ret * $$?)); \
167 @for TARGET in $(TARGETS); do \
168 BUILD_TARGET=$$BUILD/$$TARGET; \
169 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
173 @for TARGET in $(TARGETS_HOTPLUG); do \
174 BUILD_TARGET=$$BUILD/$$TARGET; \
175 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
179 @for TARGET in $(TARGETS_HOTPLUG); do \
180 BUILD_TARGET=$$BUILD/$$TARGET; \
181 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
185 @for TARGET in $(TARGETS_HOTPLUG); do \
186 BUILD_TARGET=$$BUILD/$$TARGET; \
187 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
191 $(MAKE) -C pstore run_crash
193 # Use $BUILD as the default install root. $BUILD points to the
194 # right output location for the following cases:
195 # 1. output_dir=kernel_src
196 # 2. a separate output directory is specified using O= KBUILD_OUTPUT
197 # 3. a separate output directory is specified using KBUILD_OUTPUT
198 # Avoid conflict with INSTALL_PATH set by the main Makefile
200 KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
201 KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
202 # Avoid changing the rest of the logic here and lib.mk.
203 INSTALL_PATH := $(KSFT_INSTALL_PATH)
204 ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
208 @# Ask all targets to install their files
209 mkdir -p $(INSTALL_PATH)/kselftest
210 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/
211 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
212 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
214 for TARGET in $(TARGETS); do \
215 BUILD_TARGET=$$BUILD/$$TARGET; \
216 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \
217 $(if $(FORCE_TARGETS),|| exit); \
218 ret=$$((ret * $$?)); \
221 @# Ask all targets to emit their test scripts
222 echo "#!/bin/sh" > $(ALL_SCRIPT)
223 echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT)
224 echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT)
225 echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT)
226 echo "ROOT=\$$PWD" >> $(ALL_SCRIPT)
227 echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT)
228 echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT)
229 echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT)
230 echo "fi" >> $(ALL_SCRIPT)
232 @# While building run_kselftest.sh skip also non-existent TARGET dirs:
233 @# they could be the result of a build failure and should NOT be
234 @# included in the generated runlist.
235 for TARGET in $(TARGETS); do \
236 BUILD_TARGET=$$BUILD/$$TARGET; \
237 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
238 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
239 echo "cd $$TARGET" >> $(ALL_SCRIPT); \
240 echo -n "run_many" >> $(ALL_SCRIPT); \
241 echo -n "Emit Tests for $$TARGET\n"; \
242 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
243 echo "" >> $(ALL_SCRIPT); \
244 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
247 chmod u+x $(ALL_SCRIPT)
249 $(error Error: set INSTALL_PATH to use install)
253 TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT})
255 @mkdir -p ${INSTALL_PATH}/kselftest-packages/
256 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} .
257 @echo "Created ${TAR_PATH}"
260 @for TARGET in $(TARGETS); do \
261 BUILD_TARGET=$$BUILD/$$TARGET; \
262 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
265 .PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar