tools/testing/selftests/mm/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 # Makefile for mm selftests
   3
   4 LOCAL_HDRS += $(selfdir)/mm/local_config.h $(top_srcdir)/mm/gup_test.h
   5 LOCAL_HDRS += $(selfdir)/mm/mseal_helpers.h
   6
   7 include local_config.mk
   8
   9 ifeq ($(ARCH),)
  10
  11 ifeq ($(CROSS_COMPILE),)
  12 uname_M := $(shell uname -m 2>/dev/null || echo not)
  13 else
  14 uname_M := $(shell echo $(CROSS_COMPILE) | grep -o '^[a-z0-9]\+')
  15 endif
  16 ARCH ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/powerpc/')
  17 endif
  18
  19 # Without this, failed build products remain, with up-to-date timestamps,
  20 # thus tricking Make (and you!) into believing that All Is Well, in subsequent
  21 # make invocations:
  22 .DELETE_ON_ERROR:
  23
  24 # Avoid accidental wrong builds, due to built-in rules working just a little
  25 # bit too well--but not quite as well as required for our situation here.
  26 #
  27 # In other words, "make $SOME_TEST" is supposed to fail to build at all,
  28 # because this Makefile only supports either "make" (all), or "make /full/path".
  29 # However,  the built-in rules, if not suppressed, will pick up CFLAGS and the
  30 # initial LDLIBS (but not the target-specific LDLIBS, because those are only
  31 # set for the full path target!). This causes it to get pretty far into building
  32 # things despite using incorrect values such as an *occasionally* incomplete
  33 # LDLIBS.
  34 MAKEFLAGS += --no-builtin-rules
  35
  36 CFLAGS = -Wall -O2 -I $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES) $(TOOLS_INCLUDES)
  37 LDLIBS = -lrt -lpthread -lm
  38
  39 # Some distributions (such as Ubuntu) configure GCC so that _FORTIFY_SOURCE is
  40 # automatically enabled at -O1 or above. This triggers various unused-result
  41 # warnings where functions such as read() or write() are called and their
  42 # return value is not checked. Disable _FORTIFY_SOURCE to silence those
  43 # warnings.
  44 CFLAGS += -U_FORTIFY_SOURCE
  45
  46 KDIR ?= /lib/modules/$(shell uname -r)/build
  47 ifneq (,$(wildcard $(KDIR)/Module.symvers))
  48 ifneq (,$(wildcard $(KDIR)/include/linux/page_frag_cache.h))
  49 TEST_GEN_MODS_DIR := page_frag
  50 else
  51 PAGE_FRAG_WARNING = "missing page_frag_cache.h, please use a newer kernel"
  52 endif
  53 else
  54 PAGE_FRAG_WARNING = "missing Module.symvers, please have the kernel built first"
  55 endif
  56
  57 TEST_GEN_FILES = cow
  58 TEST_GEN_FILES += compaction_test
  59 TEST_GEN_FILES += gup_longterm
  60 TEST_GEN_FILES += gup_test
  61 TEST_GEN_FILES += hmm-tests
  62 TEST_GEN_FILES += hugetlb-madvise
  63 TEST_GEN_FILES += hugetlb-read-hwpoison
  64 TEST_GEN_FILES += hugetlb-soft-offline
  65 TEST_GEN_FILES += hugepage-mmap
  66 TEST_GEN_FILES += hugepage-mremap
  67 TEST_GEN_FILES += hugepage-shm
  68 TEST_GEN_FILES += hugepage-vmemmap
  69 TEST_GEN_FILES += khugepaged
  70 TEST_GEN_FILES += madv_populate
  71 TEST_GEN_FILES += map_fixed_noreplace
  72 TEST_GEN_FILES += map_hugetlb
  73 TEST_GEN_FILES += map_populate
  74 ifneq (,$(filter $(ARCH),arm64 riscv riscv64 x86 x86_64))
  75 TEST_GEN_FILES += memfd_secret
  76 endif
  77 TEST_GEN_FILES += migration
  78 TEST_GEN_FILES += mkdirty
  79 TEST_GEN_FILES += mlock-random-test
  80 TEST_GEN_FILES += mlock2-tests
  81 TEST_GEN_FILES += mrelease_test
  82 TEST_GEN_FILES += mremap_dontunmap
  83 TEST_GEN_FILES += mremap_test
  84 TEST_GEN_FILES += mseal_test
  85 TEST_GEN_FILES += on-fault-limit
  86 TEST_GEN_FILES += pagemap_ioctl
  87 TEST_GEN_FILES += thuge-gen
  88 TEST_GEN_FILES += transhuge-stress
  89 TEST_GEN_FILES += uffd-stress
  90 TEST_GEN_FILES += uffd-unit-tests
  91 TEST_GEN_FILES += uffd-wp-mremap
  92 TEST_GEN_FILES += split_huge_page_test
  93 TEST_GEN_FILES += ksm_tests
  94 TEST_GEN_FILES += ksm_functional_tests
  95 TEST_GEN_FILES += mdwe_test
  96 TEST_GEN_FILES += hugetlb_fault_after_madv
  97 TEST_GEN_FILES += hugetlb_madv_vs_map
  98 TEST_GEN_FILES += hugetlb_dio
  99 TEST_GEN_FILES += droppable
 100 TEST_GEN_FILES += guard-pages
 101
 102 ifneq ($(ARCH),arm64)
 103 TEST_GEN_FILES += soft-dirty
 104 endif
 105
 106 ifeq ($(ARCH),x86_64)
 107 CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_32bit_program.c -m32)
 108 CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_64bit_program.c)
 109 CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_program.c -no-pie)
 110
 111 VMTARGETS := protection_keys
 112 VMTARGETS += pkey_sighandler_tests
 113 BINARIES_32 := $(VMTARGETS:%=%_32)
 114 BINARIES_64 := $(VMTARGETS:%=%_64)
 115
 116 ifeq ($(CAN_BUILD_WITH_NOPIE),1)
 117 CFLAGS += -no-pie
 118 endif
 119
 120 ifeq ($(CAN_BUILD_I386),1)
 121 TEST_GEN_FILES += $(BINARIES_32)
 122 endif
 123
 124 ifeq ($(CAN_BUILD_X86_64),1)
 125 TEST_GEN_FILES += $(BINARIES_64)
 126 endif
 127
 128 else ifeq ($(ARCH),arm64)
 129 TEST_GEN_FILES += protection_keys
 130 TEST_GEN_FILES += pkey_sighandler_tests
 131 else ifeq ($(ARCH),powerpc)
 132 TEST_GEN_FILES += protection_keys
 133 endif
 134
 135 ifneq (,$(filter $(ARCH),arm64 mips64 parisc64 powerpc riscv64 s390x sparc64 x86_64 s390))
 136 TEST_GEN_FILES += va_high_addr_switch
 137 ifneq ($(ARCH),riscv64)
 138 TEST_GEN_FILES += virtual_address_range
 139 endif
 140 TEST_GEN_FILES += write_to_hugetlbfs
 141 endif
 142
 143 TEST_PROGS := run_vmtests.sh
 144
 145 TEST_FILES := test_vmalloc.sh
 146 TEST_FILES += test_hmm.sh
 147 TEST_FILES += va_high_addr_switch.sh
 148 TEST_FILES += charge_reserved_hugetlb.sh
 149 TEST_FILES += hugetlb_reparenting_test.sh
 150 TEST_FILES += test_page_frag.sh
 151
 152 # required by charge_reserved_hugetlb.sh
 153 TEST_FILES += write_hugetlb_memory.sh
 154
 155 include ../lib.mk
 156
 157 $(TEST_GEN_PROGS): vm_util.c thp_settings.c
 158 $(TEST_GEN_FILES): vm_util.c thp_settings.c
 159
 160 $(OUTPUT)/uffd-stress: uffd-common.c
 161 $(OUTPUT)/uffd-unit-tests: uffd-common.c
 162 $(OUTPUT)/uffd-wp-mremap: uffd-common.c
 163 $(OUTPUT)/protection_keys: pkey_util.c
 164 $(OUTPUT)/pkey_sighandler_tests: pkey_util.c
 165
 166 ifeq ($(ARCH),x86_64)
 167 BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32))
 168 BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64))
 169
 170 $(BINARIES_32) $(BINARIES_64): pkey_util.c
 171
 172 define gen-target-rule-32
 173 $(1) $(1)_32: $(OUTPUT)/$(1)_32
 174 .PHONY: $(1) $(1)_32
 175 endef
 176
 177 define gen-target-rule-64
 178 $(1) $(1)_64: $(OUTPUT)/$(1)_64
 179 .PHONY: $(1) $(1)_64
 180 endef
 181
 182 ifeq ($(CAN_BUILD_I386),1)
 183 $(BINARIES_32): CFLAGS += -m32 -mxsave
 184 $(BINARIES_32): LDLIBS += -lrt -ldl -lm
 185 $(BINARIES_32): $(OUTPUT)/%_32: %.c
 186         $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
 187 $(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-32,$(t))))
 188 endif
 189
 190 ifeq ($(CAN_BUILD_X86_64),1)
 191 $(BINARIES_64): CFLAGS += -m64 -mxsave
 192 $(BINARIES_64): LDLIBS += -lrt -ldl
 193 $(BINARIES_64): $(OUTPUT)/%_64: %.c
 194         $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
 195 $(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-64,$(t))))
 196 endif
 197
 198 # x86_64 users should be encouraged to install 32-bit libraries
 199 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
 200 all: warn_32bit_failure
 201
 202 warn_32bit_failure:
 203         @echo "Warning: you seem to have a broken 32-bit build" 2>&1;           \
 204         echo  "environment. This will reduce test coverage of 64-bit" 2>&1;     \
 205         echo  "kernels. If you are using a Debian-like distribution," 2>&1;     \
 206         echo  "try:"; 2>&1;                                                     \
 207         echo  "";                                                               \
 208         echo  "  apt-get install gcc-multilib libc6-i386 libc6-dev-i386";       \
 209         echo  "";                                                               \
 210         echo  "If you are using a Fedora-like distribution, try:";              \
 211         echo  "";                                                               \
 212         echo  "  yum install glibc-devel.*i686";                                \
 213         exit 0;
 214 endif
 215 endif
 216
 217 # IOURING_EXTRA_LIBS may get set in local_config.mk, or it may be left empty.
 218 $(OUTPUT)/cow: LDLIBS += $(IOURING_EXTRA_LIBS)
 219
 220 $(OUTPUT)/gup_longterm: LDLIBS += $(IOURING_EXTRA_LIBS)
 221
 222 $(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap
 223
 224 $(OUTPUT)/ksm_tests: LDLIBS += -lnuma
 225
 226 $(OUTPUT)/migration: LDLIBS += -lnuma
 227
 228 local_config.mk local_config.h: check_config.sh
 229         /bin/sh ./check_config.sh $(CC)
 230
 231 EXTRA_CLEAN += local_config.mk local_config.h
 232
 233 ifeq ($(IOURING_EXTRA_LIBS),)
 234 all: warn_missing_liburing
 235
 236 warn_missing_liburing:
 237         @echo ; \
 238         echo "Warning: missing liburing support. Some tests will be skipped." ; \
 239         echo
 240 endif
 241
 242 ifneq ($(PAGE_FRAG_WARNING),)
 243 all: warn_missing_page_frag
 244
 245 warn_missing_page_frag:
 246         @echo ; \
 247         echo "Warning: $(PAGE_FRAG_WARNING). page_frag test will be skipped." ; \
 248         echo
 249 endif