1 # SPDX-License-Identifier: GPL-2.0
5 TARGETS += capabilities
10 TARGETS += cpu-hotplug
12 TARGETS += drivers/dma-buf
15 TARGETS += filesystems
16 TARGETS += filesystems/binderfs
17 TARGETS += filesystems/epoll
23 TARGETS += intel_pstate
35 TARGETS += memory-hotplug
38 TARGETS += mount_setattr
39 TARGETS += move_mount_set_group
43 TARGETS += net/af_unix
44 TARGETS += net/forwarding
49 TARGETS += pid_namespace
61 TARGETS += sigaltstack
65 TARGETS += static_keys
67 TARGETS += syscall_user_dispatch
71 ifneq (1, $(quicktest))
81 #Please keep the TARGETS list alphabetically sorted
82 # Run "make quicktest=1 run_tests" or
83 # "make quicktest=1 kselftest" from top level Makefile
85 TARGETS_HOTPLUG = cpu-hotplug
86 TARGETS_HOTPLUG += memory-hotplug
88 # User can optionally provide a TARGETS skiplist. By default we skip
89 # BPF since it has cutting edge build time dependencies which require
90 # more effort to install.
92 ifneq ($(SKIP_TARGETS),)
93 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
94 override TARGETS := $(TMP)
97 # User can set FORCE_TARGETS to 1 to require all targets to be successfully
98 # built; make will fail if any of the targets cannot be built. If
99 # FORCE_TARGETS is not set (the default), make will succeed if at least one
100 # of the targets gets built.
103 # Clear LDFLAGS and MAKEFLAGS when implicit rules are missing. This provides
104 # implicit rules to sub-test Makefiles which avoids build failures in test
105 # Makefile that don't have explicit build rules.
111 # Append kselftest to KBUILD_OUTPUT and O to avoid cluttering
112 # KBUILD_OUTPUT with selftest objects and headers installed
113 # by selftests Makefile or lib.mk.
114 ifdef building_out_of_srctree
118 top_srcdir ?= ../../..
120 ifeq ("$(origin O)", "command line")
121 KBUILD_OUTPUT := $(O)
124 ifneq ($(KBUILD_OUTPUT),)
125 # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot
126 # expand a shell special character '~'. We use a somewhat tedious way here.
127 abs_objtree := $(shell cd $(top_srcdir) && mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd)
128 $(if $(abs_objtree),, \
129 $(error failed to create output directory "$(KBUILD_OUTPUT)"))
130 # $(realpath ...) resolves symlinks
131 abs_objtree := $(realpath $(abs_objtree))
132 BUILD := $(abs_objtree)/kselftest
135 DEFAULT_INSTALL_HDR_PATH := 1
138 # Prepare for headers install
139 include $(top_srcdir)/scripts/subarch.include
141 export KSFT_KHDR_INSTALL_DONE := 1
144 # set default goal to all, so make without a target runs all, even when
145 # all isn't the first target in the file.
148 # Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
149 # is used to avoid running headers_install from lib.mk.
150 # Invoke headers install with --no-builtin-rules to avoid circular
151 # dependency in "make kselftest" case. In this case, second level
152 # make inherits builtin-rules which will use the rule generate
153 # Makefile.o and runs into
154 # "Circular Makefile.o <- prepare dependency dropped."
155 # and headers_install fails and test compile fails.
157 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
158 # invokes them as sub-makes and --no-builtin-rules is not necessary,
159 # but doesn't cause any failures. Keep it simple and use the same
160 # flags in both cases.
161 # Local build cases: "make kselftest", "make -C" - headers are installed
162 # in the default INSTALL_HDR_PATH usr/include.
164 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
165 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
167 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
168 ARCH=$(ARCH) -C $(top_srcdir) headers_install
173 for TARGET in $(TARGETS); do \
174 BUILD_TARGET=$$BUILD/$$TARGET; \
175 mkdir $$BUILD_TARGET -p; \
176 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \
177 $(if $(FORCE_TARGETS),|| exit); \
178 ret=$$((ret * $$?)); \
182 @for TARGET in $(TARGETS); do \
183 BUILD_TARGET=$$BUILD/$$TARGET; \
184 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
188 @for TARGET in $(TARGETS_HOTPLUG); do \
189 BUILD_TARGET=$$BUILD/$$TARGET; \
190 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
194 @for TARGET in $(TARGETS_HOTPLUG); do \
195 BUILD_TARGET=$$BUILD/$$TARGET; \
196 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
200 @for TARGET in $(TARGETS_HOTPLUG); do \
201 BUILD_TARGET=$$BUILD/$$TARGET; \
202 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
206 $(MAKE) -C pstore run_crash
208 # Use $BUILD as the default install root. $BUILD points to the
209 # right output location for the following cases:
210 # 1. output_dir=kernel_src
211 # 2. a separate output directory is specified using O= KBUILD_OUTPUT
212 # 3. a separate output directory is specified using KBUILD_OUTPUT
213 # Avoid conflict with INSTALL_PATH set by the main Makefile
215 KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
216 KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
217 # Avoid changing the rest of the logic here and lib.mk.
218 INSTALL_PATH := $(KSFT_INSTALL_PATH)
219 ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
220 TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt
224 @# Ask all targets to install their files
225 mkdir -p $(INSTALL_PATH)/kselftest
226 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/
227 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
228 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
229 install -m 744 run_kselftest.sh $(INSTALL_PATH)/
232 for TARGET in $(TARGETS); do \
233 BUILD_TARGET=$$BUILD/$$TARGET; \
234 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \
235 $(if $(FORCE_TARGETS),|| exit); \
236 ret=$$((ret * $$?)); \
240 @# Ask all targets to emit their test scripts
241 @# While building kselftest-list.text skip also non-existent TARGET dirs:
242 @# they could be the result of a build failure and should NOT be
243 @# included in the generated runlist.
244 for TARGET in $(TARGETS); do \
245 BUILD_TARGET=$$BUILD/$$TARGET; \
246 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
247 echo -n "Emit Tests for $$TARGET\n"; \
248 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \
249 -C $$TARGET emit_tests >> $(TEST_LIST); \
252 $(error Error: set INSTALL_PATH to use install)
256 TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT})
258 @mkdir -p ${INSTALL_PATH}/kselftest-packages/
259 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} .
260 @echo "Created ${TAR_PATH}"
263 @for TARGET in $(TARGETS); do \
264 BUILD_TARGET=$$BUILD/$$TARGET; \
265 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
268 .PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar