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