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Message-ID: <20241202075545.3648096-4-davidgow@google.com>
Date: Mon, 2 Dec 2024 15:55:40 +0800
From: David Gow <davidgow@...gle.com>
To: Andrew Morton <akpm@...ux-foundation.org>, Shuah Khan <skhan@...uxfoundation.org>,
Rae Moar <rmoar@...gle.com>, Kees Cook <kees@...nel.org>,
Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com,
linux-kernel@...r.kernel.org, Stephen Rothwell <sfr@...b.auug.org.au>,
Andy Shevchenko <andy@...nel.org>, Brendan Higgins <brendan.higgins@...ux.dev>,
"Steven Rostedt (Google)" <rostedt@...dmis.org>, Jakub Kicinski <kuba@...nel.org>,
"Masami Hiramatsu (Google)" <mhiramat@...nel.org>, David Gow <davidgow@...gle.com>,
Vlastimil Babka <vbabka@...e.cz>
Subject: [PATCH v2 3/6] lib: Move KUnit tests into tests/ subdirectory
From: Kees Cook <kees@...nel.org>
Following from the recent KUnit file naming discussion[1], move all
KUnit tests in lib/ into lib/tests/.
Link: https://lore.kernel.org/lkml/20240720165441.it.320-kees@kernel.org/ [1]
Signed-off-by: Kees Cook <kees@...nel.org>
Acked-by: "Steven Rostedt (Google)" <rostedt@...dmis.org>
Acked-by: Jakub Kicinski <kuba@...nel.org>
Acked-by: "Masami Hiramatsu (Google)" <mhiramat@...nel.org>
Reviewed-by: David Gow <davidgow@...gle.com>
Acked-by: Vlastimil Babka <vbabka@...e.cz> #slab
[Rebased onto v6.13-rc1, moved crc16,usercopy,util-macros tests]
Signed-off-by: David Gow <davidgow@...gle.com>
---
MAINTAINERS | 19 ++++++------
lib/Makefile | 39 +------------------------
lib/tests/Makefile | 40 ++++++++++++++++++++++++++
lib/{ => tests}/bitfield_kunit.c | 0
lib/{ => tests}/checksum_kunit.c | 0
lib/{ => tests}/cmdline_kunit.c | 0
lib/{ => tests}/cpumask_kunit.c | 0
lib/{ => tests}/crc16_kunit.c | 0
lib/{ => tests}/fortify_kunit.c | 0
lib/{ => tests}/hashtable_test.c | 0
lib/{ => tests}/is_signed_type_kunit.c | 0
lib/{ => tests}/kunit_iov_iter.c | 0
lib/{ => tests}/list-test.c | 0
lib/{ => tests}/memcpy_kunit.c | 0
lib/{ => tests}/overflow_kunit.c | 0
lib/{ => tests}/siphash_kunit.c | 0
lib/{ => tests}/slub_kunit.c | 0
lib/{ => tests}/stackinit_kunit.c | 0
lib/{ => tests}/string_helpers_kunit.c | 0
lib/{ => tests}/string_kunit.c | 0
lib/{ => tests}/test_bits.c | 0
lib/{ => tests}/test_fprobe.c | 0
lib/{ => tests}/test_hash.c | 0
lib/{ => tests}/test_kprobes.c | 0
lib/{ => tests}/test_linear_ranges.c | 0
lib/{ => tests}/test_list_sort.c | 0
lib/{ => tests}/test_sort.c | 0
lib/{ => tests}/usercopy_kunit.c | 0
lib/{ => tests}/util_macros_kunit.c | 0
29 files changed, 51 insertions(+), 47 deletions(-)
rename lib/{ => tests}/bitfield_kunit.c (100%)
rename lib/{ => tests}/checksum_kunit.c (100%)
rename lib/{ => tests}/cmdline_kunit.c (100%)
rename lib/{ => tests}/cpumask_kunit.c (100%)
rename lib/{ => tests}/crc16_kunit.c (100%)
rename lib/{ => tests}/fortify_kunit.c (100%)
rename lib/{ => tests}/hashtable_test.c (100%)
rename lib/{ => tests}/is_signed_type_kunit.c (100%)
rename lib/{ => tests}/kunit_iov_iter.c (100%)
rename lib/{ => tests}/list-test.c (100%)
rename lib/{ => tests}/memcpy_kunit.c (100%)
rename lib/{ => tests}/overflow_kunit.c (100%)
rename lib/{ => tests}/siphash_kunit.c (100%)
rename lib/{ => tests}/slub_kunit.c (100%)
rename lib/{ => tests}/stackinit_kunit.c (100%)
rename lib/{ => tests}/string_helpers_kunit.c (100%)
rename lib/{ => tests}/string_kunit.c (100%)
rename lib/{ => tests}/test_bits.c (100%)
rename lib/{ => tests}/test_fprobe.c (100%)
rename lib/{ => tests}/test_hash.c (100%)
rename lib/{ => tests}/test_kprobes.c (100%)
rename lib/{ => tests}/test_linear_ranges.c (100%)
rename lib/{ => tests}/test_list_sort.c (100%)
rename lib/{ => tests}/test_sort.c (100%)
rename lib/{ => tests}/usercopy_kunit.c (100%)
rename lib/{ => tests}/util_macros_kunit.c (100%)
diff --git a/MAINTAINERS b/MAINTAINERS
index 1e930c7a58b1..9c35902ffccf 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3966,10 +3966,10 @@ F: include/vdso/bits.h
F: lib/bitmap-str.c
F: lib/bitmap.c
F: lib/cpumask.c
-F: lib/cpumask_kunit.c
F: lib/find_bit.c
F: lib/find_bit_benchmark.c
F: lib/test_bitmap.c
+F: lib/tests/cpumask_kunit.c
F: tools/include/linux/bitfield.h
F: tools/include/linux/bitmap.h
F: tools/include/linux/bits.h
@@ -8972,9 +8972,10 @@ L: linux-hardening@...r.kernel.org
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/hardening
F: include/linux/fortify-string.h
-F: lib/fortify_kunit.c
-F: lib/memcpy_kunit.c
F: lib/test_fortify/*
+F: lib/tests/fortify_kunit.c
+F: lib/tests/memcpy_kunit.c
+F: scripts/test_fortify.sh
K: \bunsafe_memcpy\b
K: \b__NO_FORTIFY\b
@@ -9655,9 +9656,9 @@ F: include/linux/string.h
F: include/linux/string_choices.h
F: include/linux/string_helpers.h
F: lib/string.c
-F: lib/string_kunit.c
F: lib/string_helpers.c
-F: lib/string_helpers_kunit.c
+F: lib/tests/string_helpers_kunit.c
+F: lib/tests/string_kunit.c
F: scripts/coccinelle/api/string_choices.cocci
GENERIC UIO DRIVER FOR PCI DEVICES
@@ -12868,7 +12869,7 @@ F: Documentation/trace/kprobes.rst
F: include/asm-generic/kprobes.h
F: include/linux/kprobes.h
F: kernel/kprobes.c
-F: lib/test_kprobes.c
+F: lib/tests/test_kprobes.c
F: samples/kprobes
KS0108 LCD CONTROLLER DRIVER
@@ -13198,7 +13199,7 @@ M: Mark Brown <broonie@...nel.org>
R: Matti Vaittinen <mazziesaccount@...il.com>
F: include/linux/linear_range.h
F: lib/linear_ranges.c
-F: lib/test_linear_ranges.c
+F: lib/tests/test_linear_ranges.c
LINUX FOR POWER MACINTOSH
L: linuxppc-dev@...ts.ozlabs.org
@@ -13326,7 +13327,7 @@ M: David Gow <davidgow@...gle.com>
L: linux-kselftest@...r.kernel.org
L: kunit-dev@...glegroups.com
S: Maintained
-F: lib/list-test.c
+F: lib/tests/list-test.c
LITEX PLATFORM
M: Karol Gugala <kgugala@...micro.com>
@@ -21490,7 +21491,7 @@ M: Jason A. Donenfeld <Jason@...c4.com>
S: Maintained
F: include/linux/siphash.h
F: lib/siphash.c
-F: lib/siphash_kunit.c
+F: lib/tests/siphash_kunit.c
SIS 190 ETHERNET DRIVER
M: Francois Romieu <romieu@...zoreil.com>
diff --git a/lib/Makefile b/lib/Makefile
index a8155c972f02..3fa31c4c1e57 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -52,9 +52,7 @@ obj-y += bcd.o sort.o parser.o debug_locks.o random32.o \
percpu-refcount.o rhashtable.o base64.o \
once.o refcount.o rcuref.o usercopy.o errseq.o bucket_locks.o \
generic-radix-tree.o bitmap-str.o
-obj-$(CONFIG_STRING_KUNIT_TEST) += string_kunit.o
obj-y += string_helpers.o
-obj-$(CONFIG_STRING_HELPERS_KUNIT_TEST) += string_helpers_kunit.o
obj-y += hexdump.o
obj-$(CONFIG_TEST_HEXDUMP) += test_hexdump.o
obj-y += kstrtox.o
@@ -65,22 +63,17 @@ obj-$(CONFIG_TEST_DHRY) += test_dhry.o
obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o
obj-$(CONFIG_TEST_BITOPS) += test_bitops.o
CFLAGS_test_bitops.o += -Werror
-obj-$(CONFIG_CPUMASK_KUNIT_TEST) += cpumask_kunit.o
obj-$(CONFIG_TEST_SYSCTL) += test_sysctl.o
-obj-$(CONFIG_TEST_IOV_ITER) += kunit_iov_iter.o
-obj-$(CONFIG_HASH_KUNIT_TEST) += test_hash.o
obj-$(CONFIG_TEST_IDA) += test_ida.o
obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o
CFLAGS_test_ubsan.o += $(call cc-disable-warning, vla)
CFLAGS_test_ubsan.o += $(call cc-disable-warning, unused-but-set-variable)
UBSAN_SANITIZE_test_ubsan.o := y
obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
-obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o
obj-$(CONFIG_TEST_MIN_HEAP) += test_min_heap.o
obj-$(CONFIG_TEST_LKM) += test_module.o
obj-$(CONFIG_TEST_VMALLOC) += test_vmalloc.o
obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o
-obj-$(CONFIG_TEST_SORT) += test_sort.o
obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o
obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o
obj-$(CONFIG_TEST_DYNAMIC_DEBUG) += test_dynamic_debug.o
@@ -98,7 +91,6 @@ obj-$(CONFIG_TEST_XARRAY) += test_xarray.o
obj-$(CONFIG_TEST_MAPLE_TREE) += test_maple_tree.o
obj-$(CONFIG_TEST_PARMAN) += test_parman.o
obj-$(CONFIG_TEST_KMOD) += test_kmod.o
-obj-$(CONFIG_TEST_RUNTIME) += tests/
obj-$(CONFIG_TEST_DEBUG_VIRTUAL) += test_debug_virtual.o
obj-$(CONFIG_TEST_MEMCAT_P) += test_memcat_p.o
obj-$(CONFIG_TEST_OBJAGG) += test_objagg.o
@@ -107,10 +99,7 @@ obj-$(CONFIG_TEST_MEMINIT) += test_meminit.o
obj-$(CONFIG_TEST_LOCKUP) += test_lockup.o
obj-$(CONFIG_TEST_HMM) += test_hmm.o
obj-$(CONFIG_TEST_FREE_PAGES) += test_free_pages.o
-obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
obj-$(CONFIG_TEST_REF_TRACKER) += test_ref_tracker.o
-CFLAGS_test_fprobe.o += $(CC_FLAGS_FTRACE)
-obj-$(CONFIG_FPROBE_SANITY_TEST) += test_fprobe.o
obj-$(CONFIG_TEST_OBJPOOL) += test_objpool.o
obj-$(CONFIG_TEST_FPU) += test_fpu.o
@@ -132,7 +121,7 @@ endif
obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o
CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)
-obj-y += math/ crypto/
+obj-y += math/ crypto/ tests/
obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
@@ -370,32 +359,6 @@ obj-$(CONFIG_OBJAGG) += objagg.o
# pldmfw library
obj-$(CONFIG_PLDMFW) += pldmfw/
-# KUnit tests
-CFLAGS_bitfield_kunit.o := $(DISABLE_STRUCTLEAK_PLUGIN)
-obj-$(CONFIG_BITFIELD_KUNIT) += bitfield_kunit.o
-obj-$(CONFIG_CHECKSUM_KUNIT) += checksum_kunit.o
-obj-$(CONFIG_UTIL_MACROS_KUNIT) += util_macros_kunit.o
-obj-$(CONFIG_LIST_KUNIT_TEST) += list-test.o
-obj-$(CONFIG_HASHTABLE_KUNIT_TEST) += hashtable_test.o
-obj-$(CONFIG_LINEAR_RANGES_TEST) += test_linear_ranges.o
-obj-$(CONFIG_BITS_TEST) += test_bits.o
-obj-$(CONFIG_CMDLINE_KUNIT_TEST) += cmdline_kunit.o
-obj-$(CONFIG_SLUB_KUNIT_TEST) += slub_kunit.o
-obj-$(CONFIG_MEMCPY_KUNIT_TEST) += memcpy_kunit.o
-obj-$(CONFIG_IS_SIGNED_TYPE_KUNIT_TEST) += is_signed_type_kunit.o
-CFLAGS_overflow_kunit.o = $(call cc-disable-warning, tautological-constant-out-of-range-compare)
-obj-$(CONFIG_OVERFLOW_KUNIT_TEST) += overflow_kunit.o
-CFLAGS_stackinit_kunit.o += $(call cc-disable-warning, switch-unreachable)
-obj-$(CONFIG_STACKINIT_KUNIT_TEST) += stackinit_kunit.o
-CFLAGS_fortify_kunit.o += $(call cc-disable-warning, unsequenced)
-CFLAGS_fortify_kunit.o += $(call cc-disable-warning, stringop-overread)
-CFLAGS_fortify_kunit.o += $(call cc-disable-warning, stringop-truncation)
-CFLAGS_fortify_kunit.o += $(DISABLE_STRUCTLEAK_PLUGIN)
-obj-$(CONFIG_FORTIFY_KUNIT_TEST) += fortify_kunit.o
-obj-$(CONFIG_SIPHASH_KUNIT_TEST) += siphash_kunit.o
-obj-$(CONFIG_USERCOPY_KUNIT_TEST) += usercopy_kunit.o
-obj-$(CONFIG_CRC16_KUNIT_TEST) += crc16_kunit.o
-
obj-$(CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED) += devmem_is_allowed.o
obj-$(CONFIG_FIRMWARE_TABLE) += fw_table.o
diff --git a/lib/tests/Makefile b/lib/tests/Makefile
index 8e4f42cb9c54..03bf5a884984 100644
--- a/lib/tests/Makefile
+++ b/lib/tests/Makefile
@@ -1 +1,41 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for tests of kernel library functions.
+
+# KUnit tests
+CFLAGS_bitfield_kunit.o := $(DISABLE_STRUCTLEAK_PLUGIN)
+obj-$(CONFIG_BITFIELD_KUNIT) += bitfield_kunit.o
+obj-$(CONFIG_BITS_TEST) += test_bits.o
+obj-$(CONFIG_CHECKSUM_KUNIT) += checksum_kunit.o
+obj-$(CONFIG_CMDLINE_KUNIT_TEST) += cmdline_kunit.o
+obj-$(CONFIG_CPUMASK_KUNIT_TEST) += cpumask_kunit.o
+obj-$(CONFIG_CRC16_KUNIT_TEST) += crc16_kunit.o
+CFLAGS_fortify_kunit.o += $(call cc-disable-warning, unsequenced)
+CFLAGS_fortify_kunit.o += $(call cc-disable-warning, stringop-overread)
+CFLAGS_fortify_kunit.o += $(call cc-disable-warning, stringop-truncation)
+CFLAGS_fortify_kunit.o += $(DISABLE_STRUCTLEAK_PLUGIN)
+obj-$(CONFIG_FORTIFY_KUNIT_TEST) += fortify_kunit.o
+CFLAGS_test_fprobe.o += $(CC_FLAGS_FTRACE)
+obj-$(CONFIG_FPROBE_SANITY_TEST) += test_fprobe.o
+obj-$(CONFIG_HASHTABLE_KUNIT_TEST) += hashtable_test.o
+obj-$(CONFIG_HASH_KUNIT_TEST) += test_hash.o
+obj-$(CONFIG_TEST_IOV_ITER) += kunit_iov_iter.o
+obj-$(CONFIG_IS_SIGNED_TYPE_KUNIT_TEST) += is_signed_type_kunit.o
+obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
+obj-$(CONFIG_LIST_KUNIT_TEST) += list-test.o
+obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o
+obj-$(CONFIG_LINEAR_RANGES_TEST) += test_linear_ranges.o
+obj-$(CONFIG_MEMCPY_KUNIT_TEST) += memcpy_kunit.o
+CFLAGS_overflow_kunit.o = $(call cc-disable-warning, tautological-constant-out-of-range-compare)
+obj-$(CONFIG_OVERFLOW_KUNIT_TEST) += overflow_kunit.o
+obj-$(CONFIG_SIPHASH_KUNIT_TEST) += siphash_kunit.o
+obj-$(CONFIG_SLUB_KUNIT_TEST) += slub_kunit.o
+obj-$(CONFIG_TEST_SORT) += test_sort.o
+CFLAGS_stackinit_kunit.o += $(call cc-disable-warning, switch-unreachable)
+obj-$(CONFIG_STACKINIT_KUNIT_TEST) += stackinit_kunit.o
+obj-$(CONFIG_STRING_KUNIT_TEST) += string_kunit.o
+obj-$(CONFIG_STRING_HELPERS_KUNIT_TEST) += string_helpers_kunit.o
+obj-$(CONFIG_USERCOPY_KUNIT_TEST) += usercopy_kunit.o
+obj-$(CONFIG_UTIL_MACROS_KUNIT) += util_macros_kunit.o
+
obj-$(CONFIG_TEST_RUNTIME_MODULE) += module/
diff --git a/lib/bitfield_kunit.c b/lib/tests/bitfield_kunit.c
similarity index 100%
rename from lib/bitfield_kunit.c
rename to lib/tests/bitfield_kunit.c
diff --git a/lib/checksum_kunit.c b/lib/tests/checksum_kunit.c
similarity index 100%
rename from lib/checksum_kunit.c
rename to lib/tests/checksum_kunit.c
diff --git a/lib/cmdline_kunit.c b/lib/tests/cmdline_kunit.c
similarity index 100%
rename from lib/cmdline_kunit.c
rename to lib/tests/cmdline_kunit.c
diff --git a/lib/cpumask_kunit.c b/lib/tests/cpumask_kunit.c
similarity index 100%
rename from lib/cpumask_kunit.c
rename to lib/tests/cpumask_kunit.c
diff --git a/lib/crc16_kunit.c b/lib/tests/crc16_kunit.c
similarity index 100%
rename from lib/crc16_kunit.c
rename to lib/tests/crc16_kunit.c
diff --git a/lib/fortify_kunit.c b/lib/tests/fortify_kunit.c
similarity index 100%
rename from lib/fortify_kunit.c
rename to lib/tests/fortify_kunit.c
diff --git a/lib/hashtable_test.c b/lib/tests/hashtable_test.c
similarity index 100%
rename from lib/hashtable_test.c
rename to lib/tests/hashtable_test.c
diff --git a/lib/is_signed_type_kunit.c b/lib/tests/is_signed_type_kunit.c
similarity index 100%
rename from lib/is_signed_type_kunit.c
rename to lib/tests/is_signed_type_kunit.c
diff --git a/lib/kunit_iov_iter.c b/lib/tests/kunit_iov_iter.c
similarity index 100%
rename from lib/kunit_iov_iter.c
rename to lib/tests/kunit_iov_iter.c
diff --git a/lib/list-test.c b/lib/tests/list-test.c
similarity index 100%
rename from lib/list-test.c
rename to lib/tests/list-test.c
diff --git a/lib/memcpy_kunit.c b/lib/tests/memcpy_kunit.c
similarity index 100%
rename from lib/memcpy_kunit.c
rename to lib/tests/memcpy_kunit.c
diff --git a/lib/overflow_kunit.c b/lib/tests/overflow_kunit.c
similarity index 100%
rename from lib/overflow_kunit.c
rename to lib/tests/overflow_kunit.c
diff --git a/lib/siphash_kunit.c b/lib/tests/siphash_kunit.c
similarity index 100%
rename from lib/siphash_kunit.c
rename to lib/tests/siphash_kunit.c
diff --git a/lib/slub_kunit.c b/lib/tests/slub_kunit.c
similarity index 100%
rename from lib/slub_kunit.c
rename to lib/tests/slub_kunit.c
diff --git a/lib/stackinit_kunit.c b/lib/tests/stackinit_kunit.c
similarity index 100%
rename from lib/stackinit_kunit.c
rename to lib/tests/stackinit_kunit.c
diff --git a/lib/string_helpers_kunit.c b/lib/tests/string_helpers_kunit.c
similarity index 100%
rename from lib/string_helpers_kunit.c
rename to lib/tests/string_helpers_kunit.c
diff --git a/lib/string_kunit.c b/lib/tests/string_kunit.c
similarity index 100%
rename from lib/string_kunit.c
rename to lib/tests/string_kunit.c
diff --git a/lib/test_bits.c b/lib/tests/test_bits.c
similarity index 100%
rename from lib/test_bits.c
rename to lib/tests/test_bits.c
diff --git a/lib/test_fprobe.c b/lib/tests/test_fprobe.c
similarity index 100%
rename from lib/test_fprobe.c
rename to lib/tests/test_fprobe.c
diff --git a/lib/test_hash.c b/lib/tests/test_hash.c
similarity index 100%
rename from lib/test_hash.c
rename to lib/tests/test_hash.c
diff --git a/lib/test_kprobes.c b/lib/tests/test_kprobes.c
similarity index 100%
rename from lib/test_kprobes.c
rename to lib/tests/test_kprobes.c
diff --git a/lib/test_linear_ranges.c b/lib/tests/test_linear_ranges.c
similarity index 100%
rename from lib/test_linear_ranges.c
rename to lib/tests/test_linear_ranges.c
diff --git a/lib/test_list_sort.c b/lib/tests/test_list_sort.c
similarity index 100%
rename from lib/test_list_sort.c
rename to lib/tests/test_list_sort.c
diff --git a/lib/test_sort.c b/lib/tests/test_sort.c
similarity index 100%
rename from lib/test_sort.c
rename to lib/tests/test_sort.c
diff --git a/lib/usercopy_kunit.c b/lib/tests/usercopy_kunit.c
similarity index 100%
rename from lib/usercopy_kunit.c
rename to lib/tests/usercopy_kunit.c
diff --git a/lib/util_macros_kunit.c b/lib/tests/util_macros_kunit.c
similarity index 100%
rename from lib/util_macros_kunit.c
rename to lib/tests/util_macros_kunit.c
--
2.47.0.338.g60cca15819-goog
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