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 $(top_srcdir)/mm/gup_test.h
   5
   6 include local_config.mk
   7
   8 ifeq ($(ARCH),)
   9
  10 ifeq ($(CROSS_COMPILE),)
  11 uname_M := $(shell uname -m 2>/dev/null || echo not)
  12 else
  13 uname_M := $(shell echo $(CROSS_COMPILE) | grep -o '^[a-z0-9]\+')
  14 endif
  15 ARCH ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/ppc64/')
  16 endif
  17
  18 # Without this, failed build products remain, with up-to-date timestamps,
  19 # thus tricking Make (and you!) into believing that All Is Well, in subsequent
  20 # make invocations:
  21 .DELETE_ON_ERROR:
  22
  23 # Avoid accidental wrong builds, due to built-in rules working just a little
  24 # bit too well--but not quite as well as required for our situation here.
  25 #
  26 # In other words, "make $SOME_TEST" is supposed to fail to build at all,
  27 # because this Makefile only supports either "make" (all), or "make /full/path".
  28 # However,  the built-in rules, if not suppressed, will pick up CFLAGS and the
  29 # initial LDLIBS (but not the target-specific LDLIBS, because those are only
  30 # set for the full path target!). This causes it to get pretty far into building
  31 # things despite using incorrect values such as an *occasionally* incomplete
  32 # LDLIBS.
  33 MAKEFLAGS += --no-builtin-rules
  34
  35 CFLAGS = -Wall -I $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES)
  36 LDLIBS = -lrt -lpthread -lm
  37
  38 TEST_GEN_FILES = cow
  39 TEST_GEN_FILES += compaction_test
  40 TEST_GEN_FILES += gup_longterm
  41 TEST_GEN_FILES += gup_test
  42 TEST_GEN_FILES += hmm-tests
  43 TEST_GEN_FILES += hugetlb-madvise
  44 TEST_GEN_FILES += hugetlb-read-hwpoison
  45 TEST_GEN_FILES += hugepage-mmap
  46 TEST_GEN_FILES += hugepage-mremap
  47 TEST_GEN_FILES += hugepage-shm
  48 TEST_GEN_FILES += hugepage-vmemmap
  49 TEST_GEN_FILES += khugepaged
  50 TEST_GEN_FILES += madv_populate
  51 TEST_GEN_FILES += map_fixed_noreplace
  52 TEST_GEN_FILES += map_hugetlb
  53 TEST_GEN_FILES += map_populate
  54 TEST_GEN_FILES += memfd_secret
  55 TEST_GEN_FILES += migration
  56 TEST_GEN_FILES += mkdirty
  57 TEST_GEN_FILES += mlock-random-test
  58 TEST_GEN_FILES += mlock2-tests
  59 TEST_GEN_FILES += mrelease_test
  60 TEST_GEN_FILES += mremap_dontunmap
  61 TEST_GEN_FILES += mremap_test
  62 TEST_GEN_FILES += on-fault-limit
  63 TEST_GEN_FILES += pagemap_ioctl
  64 TEST_GEN_FILES += thuge-gen
  65 TEST_GEN_FILES += transhuge-stress
  66 TEST_GEN_FILES += uffd-stress
  67 TEST_GEN_FILES += uffd-unit-tests
  68 TEST_GEN_FILES += split_huge_page_test
  69 TEST_GEN_FILES += ksm_tests
  70 TEST_GEN_FILES += ksm_functional_tests
  71 TEST_GEN_FILES += mdwe_test
  72 TEST_GEN_FILES += hugetlb_fault_after_madv
  73
  74 ifneq ($(ARCH),arm64)
  75 TEST_GEN_FILES += soft-dirty
  76 endif
  77
  78 ifeq ($(ARCH),x86_64)
  79 CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_32bit_program.c -m32)
  80 CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_64bit_program.c)
  81 CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_program.c -no-pie)
  82
  83 VMTARGETS := protection_keys
  84 BINARIES_32 := $(VMTARGETS:%=%_32)
  85 BINARIES_64 := $(VMTARGETS:%=%_64)
  86
  87 ifeq ($(CAN_BUILD_WITH_NOPIE),1)
  88 CFLAGS += -no-pie
  89 endif
  90
  91 ifeq ($(CAN_BUILD_I386),1)
  92 TEST_GEN_FILES += $(BINARIES_32)
  93 endif
  94
  95 ifeq ($(CAN_BUILD_X86_64),1)
  96 TEST_GEN_FILES += $(BINARIES_64)
  97 endif
  98 else
  99
 100 ifneq (,$(findstring $(ARCH),ppc64))
 101 TEST_GEN_FILES += protection_keys
 102 endif
 103
 104 endif
 105
 106 ifneq (,$(filter $(ARCH),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sparc64 x86_64))
 107 TEST_GEN_FILES += va_high_addr_switch
 108 TEST_GEN_FILES += virtual_address_range
 109 TEST_GEN_FILES += write_to_hugetlbfs
 110 endif
 111
 112 TEST_PROGS := run_vmtests.sh
 113
 114 TEST_FILES := test_vmalloc.sh
 115 TEST_FILES += test_hmm.sh
 116 TEST_FILES += va_high_addr_switch.sh
 117
 118 include ../lib.mk
 119
 120 $(TEST_GEN_PROGS): vm_util.c thp_settings.c
 121 $(TEST_GEN_FILES): vm_util.c thp_settings.c
 122
 123 $(OUTPUT)/uffd-stress: uffd-common.c
 124 $(OUTPUT)/uffd-unit-tests: uffd-common.c
 125
 126 ifeq ($(ARCH),x86_64)
 127 BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32))
 128 BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64))
 129
 130 define gen-target-rule-32
 131 $(1) $(1)_32: $(OUTPUT)/$(1)_32
 132 .PHONY: $(1) $(1)_32
 133 endef
 134
 135 define gen-target-rule-64
 136 $(1) $(1)_64: $(OUTPUT)/$(1)_64
 137 .PHONY: $(1) $(1)_64
 138 endef
 139
 140 ifeq ($(CAN_BUILD_I386),1)
 141 $(BINARIES_32): CFLAGS += -m32 -mxsave
 142 $(BINARIES_32): LDLIBS += -lrt -ldl -lm
 143 $(BINARIES_32): $(OUTPUT)/%_32: %.c
 144         $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
 145 $(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-32,$(t))))
 146 endif
 147
 148 ifeq ($(CAN_BUILD_X86_64),1)
 149 $(BINARIES_64): CFLAGS += -m64 -mxsave
 150 $(BINARIES_64): LDLIBS += -lrt -ldl
 151 $(BINARIES_64): $(OUTPUT)/%_64: %.c
 152         $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
 153 $(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-64,$(t))))
 154 endif
 155
 156 # x86_64 users should be encouraged to install 32-bit libraries
 157 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
 158 all: warn_32bit_failure
 159
 160 warn_32bit_failure:
 161         @echo "Warning: you seem to have a broken 32-bit build" 2>&1;           \
 162         echo  "environment. This will reduce test coverage of 64-bit" 2>&1;     \
 163         echo  "kernels. If you are using a Debian-like distribution," 2>&1;     \
 164         echo  "try:"; 2>&1;                                                     \
 165         echo  "";                                                               \
 166         echo  "  apt-get install gcc-multilib libc6-i386 libc6-dev-i386";       \
 167         echo  "";                                                               \
 168         echo  "If you are using a Fedora-like distribution, try:";              \
 169         echo  "";                                                               \
 170         echo  "  yum install glibc-devel.*i686";                                \
 171         exit 0;
 172 endif
 173 endif
 174
 175 # IOURING_EXTRA_LIBS may get set in local_config.mk, or it may be left empty.
 176 $(OUTPUT)/cow: LDLIBS += $(IOURING_EXTRA_LIBS)
 177
 178 $(OUTPUT)/gup_longterm: LDLIBS += $(IOURING_EXTRA_LIBS)
 179
 180 $(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap
 181
 182 $(OUTPUT)/ksm_tests: LDLIBS += -lnuma
 183
 184 $(OUTPUT)/migration: LDLIBS += -lnuma
 185
 186 local_config.mk local_config.h: check_config.sh
 187         /bin/sh ./check_config.sh $(CC)
 188
 189 EXTRA_CLEAN += local_config.mk local_config.h
 190
 191 ifeq ($(IOURING_EXTRA_LIBS),)
 192 all: warn_missing_liburing
 193
 194 warn_missing_liburing:
 195         @echo ; \
 196         echo "Warning: missing liburing support. Some tests will be skipped." ; \
 197         echo
 198 endif