tools/testing/selftests/vm/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 # Makefile for vm selftests
   3
   4 LOCAL_HDRS += $(selfdir)/vm/local_config.h $(top_srcdir)/mm/gup_test.h
   5
   6 include local_config.mk
   7
   8 uname_M := $(shell uname -m 2>/dev/null || echo not)
   9 MACHINE ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/ppc64/')
  10
  11 # Without this, failed build products remain, with up-to-date timestamps,
  12 # thus tricking Make (and you!) into believing that All Is Well, in subsequent
  13 # make invocations:
  14 .DELETE_ON_ERROR:
  15
  16 # Avoid accidental wrong builds, due to built-in rules working just a little
  17 # bit too well--but not quite as well as required for our situation here.
  18 #
  19 # In other words, "make userfaultfd" is supposed to fail to build at all,
  20 # because this Makefile only supports either "make" (all), or "make /full/path".
  21 # However,  the built-in rules, if not suppressed, will pick up CFLAGS and the
  22 # initial LDLIBS (but not the target-specific LDLIBS, because those are only
  23 # set for the full path target!). This causes it to get pretty far into building
  24 # things despite using incorrect values such as an *occasionally* incomplete
  25 # LDLIBS.
  26 MAKEFLAGS += --no-builtin-rules
  27
  28 CFLAGS = -Wall -I $(top_srcdir) -I $(top_srcdir)/usr/include $(EXTRA_CFLAGS) $(KHDR_INCLUDES)
  29 LDLIBS = -lrt -lpthread
  30 TEST_GEN_FILES = cow
  31 TEST_GEN_FILES += compaction_test
  32 TEST_GEN_FILES += gup_test
  33 TEST_GEN_FILES += hmm-tests
  34 TEST_GEN_FILES += hugetlb-madvise
  35 TEST_GEN_FILES += hugepage-mmap
  36 TEST_GEN_FILES += hugepage-mremap
  37 TEST_GEN_FILES += hugepage-shm
  38 TEST_GEN_FILES += hugepage-vmemmap
  39 TEST_GEN_FILES += khugepaged
  40 TEST_GEN_PROGS = madv_populate
  41 TEST_GEN_FILES += map_fixed_noreplace
  42 TEST_GEN_FILES += map_hugetlb
  43 TEST_GEN_FILES += map_populate
  44 TEST_GEN_FILES += memfd_secret
  45 TEST_GEN_FILES += migration
  46 TEST_GEN_FILES += mlock-random-test
  47 TEST_GEN_FILES += mlock2-tests
  48 TEST_GEN_FILES += mrelease_test
  49 TEST_GEN_FILES += mremap_dontunmap
  50 TEST_GEN_FILES += mremap_test
  51 TEST_GEN_FILES += on-fault-limit
  52 TEST_GEN_FILES += thuge-gen
  53 TEST_GEN_FILES += transhuge-stress
  54 TEST_GEN_FILES += userfaultfd
  55 TEST_GEN_PROGS += soft-dirty
  56 TEST_GEN_PROGS += split_huge_page_test
  57 TEST_GEN_FILES += ksm_tests
  58 TEST_GEN_PROGS += ksm_functional_tests
  59
  60 ifeq ($(MACHINE),x86_64)
  61 CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_32bit_program.c -m32)
  62 CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_64bit_program.c)
  63 CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_program.c -no-pie)
  64
  65 VMTARGETS := protection_keys
  66 BINARIES_32 := $(VMTARGETS:%=%_32)
  67 BINARIES_64 := $(VMTARGETS:%=%_64)
  68
  69 ifeq ($(CAN_BUILD_WITH_NOPIE),1)
  70 CFLAGS += -no-pie
  71 endif
  72
  73 ifeq ($(CAN_BUILD_I386),1)
  74 TEST_GEN_FILES += $(BINARIES_32)
  75 endif
  76
  77 ifeq ($(CAN_BUILD_X86_64),1)
  78 TEST_GEN_FILES += $(BINARIES_64)
  79 endif
  80 else
  81
  82 ifneq (,$(findstring $(MACHINE),ppc64))
  83 TEST_GEN_FILES += protection_keys
  84 endif
  85
  86 endif
  87
  88 ifneq (,$(filter $(MACHINE),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sh64 sparc64 x86_64))
  89 TEST_GEN_FILES += va_128TBswitch
  90 TEST_GEN_FILES += virtual_address_range
  91 TEST_GEN_FILES += write_to_hugetlbfs
  92 endif
  93
  94 TEST_PROGS := run_vmtests.sh
  95
  96 TEST_FILES := test_vmalloc.sh
  97 TEST_FILES += test_hmm.sh
  98 TEST_FILES += va_128TBswitch.sh
  99
 100 include ../lib.mk
 101
 102 $(OUTPUT)/cow: vm_util.c
 103 $(OUTPUT)/khugepaged: vm_util.c
 104 $(OUTPUT)/ksm_functional_tests: vm_util.c
 105 $(OUTPUT)/madv_populate: vm_util.c
 106 $(OUTPUT)/soft-dirty: vm_util.c
 107 $(OUTPUT)/split_huge_page_test: vm_util.c
 108 $(OUTPUT)/userfaultfd: vm_util.c
 109
 110 ifeq ($(MACHINE),x86_64)
 111 BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32))
 112 BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64))
 113
 114 define gen-target-rule-32
 115 $(1) $(1)_32: $(OUTPUT)/$(1)_32
 116 .PHONY: $(1) $(1)_32
 117 endef
 118
 119 define gen-target-rule-64
 120 $(1) $(1)_64: $(OUTPUT)/$(1)_64
 121 .PHONY: $(1) $(1)_64
 122 endef
 123
 124 ifeq ($(CAN_BUILD_I386),1)
 125 $(BINARIES_32): CFLAGS += -m32 -mxsave
 126 $(BINARIES_32): LDLIBS += -lrt -ldl -lm
 127 $(BINARIES_32): $(OUTPUT)/%_32: %.c
 128         $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
 129 $(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-32,$(t))))
 130 endif
 131
 132 ifeq ($(CAN_BUILD_X86_64),1)
 133 $(BINARIES_64): CFLAGS += -m64 -mxsave
 134 $(BINARIES_64): LDLIBS += -lrt -ldl
 135 $(BINARIES_64): $(OUTPUT)/%_64: %.c
 136         $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
 137 $(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-64,$(t))))
 138 endif
 139
 140 # x86_64 users should be encouraged to install 32-bit libraries
 141 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
 142 all: warn_32bit_failure
 143
 144 warn_32bit_failure:
 145         @echo "Warning: you seem to have a broken 32-bit build" 2>&1;           \
 146         echo  "environment. This will reduce test coverage of 64-bit" 2>&1;     \
 147         echo  "kernels. If you are using a Debian-like distribution," 2>&1;     \
 148         echo  "try:"; 2>&1;                                                     \
 149         echo  "";                                                               \
 150         echo  "  apt-get install gcc-multilib libc6-i386 libc6-dev-i386";       \
 151         echo  "";                                                               \
 152         echo  "If you are using a Fedora-like distribution, try:";              \
 153         echo  "";                                                               \
 154         echo  "  yum install glibc-devel.*i686";                                \
 155         exit 0;
 156 endif
 157 endif
 158
 159 # cow_EXTRA_LIBS may get set in local_config.mk, or it may be left empty.
 160 $(OUTPUT)/cow: LDLIBS += $(COW_EXTRA_LIBS)
 161
 162 $(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap
 163
 164 $(OUTPUT)/ksm_tests: LDLIBS += -lnuma
 165
 166 $(OUTPUT)/migration: LDLIBS += -lnuma
 167
 168 local_config.mk local_config.h: check_config.sh
 169         /bin/sh ./check_config.sh $(CC)
 170
 171 EXTRA_CLEAN += local_config.mk local_config.h
 172
 173 ifeq ($(COW_EXTRA_LIBS),)
 174 all: warn_missing_liburing
 175
 176 warn_missing_liburing:
 177         @echo ; \
 178         echo "Warning: missing liburing support. Some COW tests will be skipped." ; \
 179         echo
 180 endif