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 ../../../../usr/include $(EXTRA_CFLAGS)
  29 LDLIBS = -lrt -lpthread
  30 TEST_GEN_FILES = compaction_test
  31 TEST_GEN_FILES += gup_test
  32 TEST_GEN_FILES += hmm-tests
  33 TEST_GEN_FILES += hugepage-mmap
  34 TEST_GEN_FILES += hugepage-mremap
  35 TEST_GEN_FILES += hugepage-shm
  36 TEST_GEN_FILES += khugepaged
  37 TEST_GEN_FILES += madv_populate
  38 TEST_GEN_FILES += map_fixed_noreplace
  39 TEST_GEN_FILES += map_hugetlb
  40 TEST_GEN_FILES += map_populate
  41 TEST_GEN_FILES += memfd_secret
  42 TEST_GEN_FILES += mlock-random-test
  43 TEST_GEN_FILES += mlock2-tests
  44 TEST_GEN_FILES += mremap_dontunmap
  45 TEST_GEN_FILES += mremap_test
  46 TEST_GEN_FILES += on-fault-limit
  47 TEST_GEN_FILES += thuge-gen
  48 TEST_GEN_FILES += transhuge-stress
  49 TEST_GEN_FILES += userfaultfd
  50 TEST_GEN_FILES += split_huge_page_test
  51 TEST_GEN_FILES += ksm_tests
  52
  53 ifeq ($(MACHINE),x86_64)
  54 CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh $(CC) ../x86/trivial_32bit_program.c -m32)
  55 CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh $(CC) ../x86/trivial_64bit_program.c)
  56 CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh $(CC) ../x86/trivial_program.c -no-pie)
  57
  58 TARGETS := protection_keys
  59 BINARIES_32 := $(TARGETS:%=%_32)
  60 BINARIES_64 := $(TARGETS:%=%_64)
  61
  62 ifeq ($(CAN_BUILD_WITH_NOPIE),1)
  63 CFLAGS += -no-pie
  64 endif
  65
  66 ifeq ($(CAN_BUILD_I386),1)
  67 TEST_GEN_FILES += $(BINARIES_32)
  68 endif
  69
  70 ifeq ($(CAN_BUILD_X86_64),1)
  71 TEST_GEN_FILES += $(BINARIES_64)
  72 endif
  73 else
  74
  75 ifneq (,$(findstring $(MACHINE),ppc64))
  76 TEST_GEN_FILES += protection_keys
  77 endif
  78
  79 endif
  80
  81 ifneq (,$(filter $(MACHINE),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sh64 sparc64 x86_64))
  82 TEST_GEN_FILES += va_128TBswitch
  83 TEST_GEN_FILES += virtual_address_range
  84 TEST_GEN_FILES += write_to_hugetlbfs
  85 endif
  86
  87 TEST_PROGS := run_vmtests.sh
  88
  89 TEST_FILES := test_vmalloc.sh
  90
  91 KSFT_KHDR_INSTALL := 1
  92 include ../lib.mk
  93
  94 ifeq ($(MACHINE),x86_64)
  95 BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32))
  96 BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64))
  97
  98 define gen-target-rule-32
  99 $(1) $(1)_32: $(OUTPUT)/$(1)_32
 100 .PHONY: $(1) $(1)_32
 101 endef
 102
 103 define gen-target-rule-64
 104 $(1) $(1)_64: $(OUTPUT)/$(1)_64
 105 .PHONY: $(1) $(1)_64
 106 endef
 107
 108 ifeq ($(CAN_BUILD_I386),1)
 109 $(BINARIES_32): CFLAGS += -m32 -mxsave
 110 $(BINARIES_32): LDLIBS += -lrt -ldl -lm
 111 $(BINARIES_32): $(OUTPUT)/%_32: %.c
 112         $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
 113 $(foreach t,$(TARGETS),$(eval $(call gen-target-rule-32,$(t))))
 114 endif
 115
 116 ifeq ($(CAN_BUILD_X86_64),1)
 117 $(BINARIES_64): CFLAGS += -m64 -mxsave
 118 $(BINARIES_64): LDLIBS += -lrt -ldl
 119 $(BINARIES_64): $(OUTPUT)/%_64: %.c
 120         $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
 121 $(foreach t,$(TARGETS),$(eval $(call gen-target-rule-64,$(t))))
 122 endif
 123
 124 # x86_64 users should be encouraged to install 32-bit libraries
 125 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
 126 all: warn_32bit_failure
 127
 128 warn_32bit_failure:
 129         @echo "Warning: you seem to have a broken 32-bit build" 2>&1;           \
 130         echo  "environment. This will reduce test coverage of 64-bit" 2>&1;     \
 131         echo  "kernels. If you are using a Debian-like distribution," 2>&1;     \
 132         echo  "try:"; 2>&1;                                                     \
 133         echo  "";                                                               \
 134         echo  "  apt-get install gcc-multilib libc6-i386 libc6-dev-i386";       \
 135         echo  "";                                                               \
 136         echo  "If you are using a Fedora-like distribution, try:";              \
 137         echo  "";                                                               \
 138         echo  "  yum install glibc-devel.*i686";                                \
 139         exit 0;
 140 endif
 141 endif
 142
 143 $(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap
 144
 145 # HMM_EXTRA_LIBS may get set in local_config.mk, or it may be left empty.
 146 $(OUTPUT)/hmm-tests: LDLIBS += $(HMM_EXTRA_LIBS)
 147
 148 $(OUTPUT)/ksm_tests: LDLIBS += -lnuma
 149
 150 local_config.mk local_config.h: check_config.sh
 151         /bin/sh ./check_config.sh $(CC)
 152
 153 EXTRA_CLEAN += local_config.mk local_config.h
 154
 155 ifeq ($(HMM_EXTRA_LIBS),)
 156 all: warn_missing_hugelibs
 157
 158 warn_missing_hugelibs:
 159         @echo ; \
 160         echo "Warning: missing libhugetlbfs support. Some HMM tests will be skipped." ; \
 161         echo
 162 endif