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1# SPDX-License-Identifier: GPL-2.02# Makefile for mm selftests3 4LOCAL_HDRS += $(selfdir)/mm/local_config.h $(top_srcdir)/mm/gup_test.h5LOCAL_HDRS += $(selfdir)/mm/mseal_helpers.h6 7include local_config.mk8 9ifeq ($(ARCH),)10 11ifeq ($(CROSS_COMPILE),)12uname_M := $(shell uname -m 2>/dev/null || echo not)13else14uname_M := $(shell echo $(CROSS_COMPILE) | grep -o '^[a-z0-9]\+')15endif16ARCH ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/powerpc/')17endif18 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 subsequent21# make invocations:22.DELETE_ON_ERROR:23 24# Avoid accidental wrong builds, due to built-in rules working just a little25# 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 the30# initial LDLIBS (but not the target-specific LDLIBS, because those are only31# set for the full path target!). This causes it to get pretty far into building32# things despite using incorrect values such as an *occasionally* incomplete33# LDLIBS.34MAKEFLAGS += --no-builtin-rules35 36CFLAGS = -Wall -I $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES) $(TOOLS_INCLUDES)37LDLIBS = -lrt -lpthread -lm38 39TEST_GEN_FILES = cow40TEST_GEN_FILES += compaction_test41TEST_GEN_FILES += gup_longterm42TEST_GEN_FILES += gup_test43TEST_GEN_FILES += hmm-tests44TEST_GEN_FILES += hugetlb-madvise45TEST_GEN_FILES += hugetlb-read-hwpoison46TEST_GEN_FILES += hugetlb-soft-offline47TEST_GEN_FILES += hugepage-mmap48TEST_GEN_FILES += hugepage-mremap49TEST_GEN_FILES += hugepage-shm50TEST_GEN_FILES += hugepage-vmemmap51TEST_GEN_FILES += khugepaged52TEST_GEN_FILES += madv_populate53TEST_GEN_FILES += map_fixed_noreplace54TEST_GEN_FILES += map_hugetlb55TEST_GEN_FILES += map_populate56ifneq (,$(filter $(ARCH),arm64 riscv riscv64 x86 x86_64))57TEST_GEN_FILES += memfd_secret58endif59TEST_GEN_FILES += migration60TEST_GEN_FILES += mkdirty61TEST_GEN_FILES += mlock-random-test62TEST_GEN_FILES += mlock2-tests63TEST_GEN_FILES += mrelease_test64TEST_GEN_FILES += mremap_dontunmap65TEST_GEN_FILES += mremap_test66TEST_GEN_FILES += mseal_test67TEST_GEN_FILES += seal_elf68TEST_GEN_FILES += on-fault-limit69TEST_GEN_FILES += pagemap_ioctl70TEST_GEN_FILES += thuge-gen71TEST_GEN_FILES += transhuge-stress72TEST_GEN_FILES += uffd-stress73TEST_GEN_FILES += uffd-unit-tests74TEST_GEN_FILES += split_huge_page_test75TEST_GEN_FILES += ksm_tests76TEST_GEN_FILES += ksm_functional_tests77TEST_GEN_FILES += mdwe_test78TEST_GEN_FILES += hugetlb_fault_after_madv79TEST_GEN_FILES += hugetlb_madv_vs_map80TEST_GEN_FILES += hugetlb_dio81TEST_GEN_FILES += droppable82 83ifneq ($(ARCH),arm64)84TEST_GEN_FILES += soft-dirty85endif86 87ifeq ($(ARCH),x86_64)88CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_32bit_program.c -m32)89CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_64bit_program.c)90CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_program.c -no-pie)91 92VMTARGETS := protection_keys93VMTARGETS += pkey_sighandler_tests94BINARIES_32 := $(VMTARGETS:%=%_32)95BINARIES_64 := $(VMTARGETS:%=%_64)96 97ifeq ($(CAN_BUILD_WITH_NOPIE),1)98CFLAGS += -no-pie99endif100 101ifeq ($(CAN_BUILD_I386),1)102TEST_GEN_FILES += $(BINARIES_32)103endif104 105ifeq ($(CAN_BUILD_X86_64),1)106TEST_GEN_FILES += $(BINARIES_64)107endif108else109 110ifneq (,$(filter $(ARCH),arm64 powerpc))111TEST_GEN_FILES += protection_keys112endif113 114endif115 116ifneq (,$(filter $(ARCH),arm64 mips64 parisc64 powerpc riscv64 s390x sparc64 x86_64 s390))117TEST_GEN_FILES += va_high_addr_switch118TEST_GEN_FILES += virtual_address_range119TEST_GEN_FILES += write_to_hugetlbfs120endif121 122TEST_PROGS := run_vmtests.sh123 124TEST_FILES := test_vmalloc.sh125TEST_FILES += test_hmm.sh126TEST_FILES += va_high_addr_switch.sh127TEST_FILES += charge_reserved_hugetlb.sh128TEST_FILES += hugetlb_reparenting_test.sh129 130# required by charge_reserved_hugetlb.sh131TEST_FILES += write_hugetlb_memory.sh132 133include ../lib.mk134 135$(TEST_GEN_PROGS): vm_util.c thp_settings.c136$(TEST_GEN_FILES): vm_util.c thp_settings.c137 138$(OUTPUT)/uffd-stress: uffd-common.c139$(OUTPUT)/uffd-unit-tests: uffd-common.c140 141ifeq ($(ARCH),x86_64)142BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32))143BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64))144 145define gen-target-rule-32146$(1) $(1)_32: $(OUTPUT)/$(1)_32147.PHONY: $(1) $(1)_32148endef149 150define gen-target-rule-64151$(1) $(1)_64: $(OUTPUT)/$(1)_64152.PHONY: $(1) $(1)_64153endef154 155ifeq ($(CAN_BUILD_I386),1)156$(BINARIES_32): CFLAGS += -m32 -mxsave157$(BINARIES_32): LDLIBS += -lrt -ldl -lm158$(BINARIES_32): $(OUTPUT)/%_32: %.c159 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@160$(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-32,$(t))))161endif162 163ifeq ($(CAN_BUILD_X86_64),1)164$(BINARIES_64): CFLAGS += -m64 -mxsave165$(BINARIES_64): LDLIBS += -lrt -ldl166$(BINARIES_64): $(OUTPUT)/%_64: %.c167 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@168$(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-64,$(t))))169endif170 171# x86_64 users should be encouraged to install 32-bit libraries172ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)173all: warn_32bit_failure174 175warn_32bit_failure:176 @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \177 echo "environment. This will reduce test coverage of 64-bit" 2>&1; \178 echo "kernels. If you are using a Debian-like distribution," 2>&1; \179 echo "try:"; 2>&1; \180 echo ""; \181 echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \182 echo ""; \183 echo "If you are using a Fedora-like distribution, try:"; \184 echo ""; \185 echo " yum install glibc-devel.*i686"; \186 exit 0;187endif188endif189 190# IOURING_EXTRA_LIBS may get set in local_config.mk, or it may be left empty.191$(OUTPUT)/cow: LDLIBS += $(IOURING_EXTRA_LIBS)192 193$(OUTPUT)/gup_longterm: LDLIBS += $(IOURING_EXTRA_LIBS)194 195$(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap196 197$(OUTPUT)/ksm_tests: LDLIBS += -lnuma198 199$(OUTPUT)/migration: LDLIBS += -lnuma200 201local_config.mk local_config.h: check_config.sh202 /bin/sh ./check_config.sh $(CC)203 204EXTRA_CLEAN += local_config.mk local_config.h205 206ifeq ($(IOURING_EXTRA_LIBS),)207all: warn_missing_liburing208 209warn_missing_liburing:210 @echo ; \211 echo "Warning: missing liburing support. Some tests will be skipped." ; \212 echo213endif214