1# SPDX-License-Identifier: GPL-2.0 2# Makefile for mm selftests 3 4LOCAL_HDRS += $(selfdir)/mm/local_config.h $(top_srcdir)/mm/gup_test.h 5LOCAL_HDRS += $(selfdir)/mm/mseal_helpers.h 6 7include local_config.mk 8 9ifeq ($(ARCH),) 10 11ifeq ($(CROSS_COMPILE),) 12uname_M := $(shell uname -m 2>/dev/null || echo not) 13else 14uname_M := $(shell echo $(CROSS_COMPILE) | grep -o '^[a-z0-9]\+') 15endif 16ARCH ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/powerpc/') 17endif 18 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 subsequent 21# make invocations: 22.DELETE_ON_ERROR: 23 24# Avoid accidental wrong builds, due to built-in rules working just a little 25# 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 the 30# initial LDLIBS (but not the target-specific LDLIBS, because those are only 31# set for the full path target!). This causes it to get pretty far into building 32# things despite using incorrect values such as an *occasionally* incomplete 33# LDLIBS. 34MAKEFLAGS += --no-builtin-rules 35 36CFLAGS = -Wall -I $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES) $(TOOLS_INCLUDES) 37LDLIBS = -lrt -lpthread -lm 38 39TEST_GEN_FILES = cow 40TEST_GEN_FILES += compaction_test 41TEST_GEN_FILES += gup_longterm 42TEST_GEN_FILES += gup_test 43TEST_GEN_FILES += hmm-tests 44TEST_GEN_FILES += hugetlb-madvise 45TEST_GEN_FILES += hugetlb-read-hwpoison 46TEST_GEN_FILES += hugetlb-soft-offline 47TEST_GEN_FILES += hugepage-mmap 48TEST_GEN_FILES += hugepage-mremap 49TEST_GEN_FILES += hugepage-shm 50TEST_GEN_FILES += hugepage-vmemmap 51TEST_GEN_FILES += khugepaged 52TEST_GEN_FILES += madv_populate 53TEST_GEN_FILES += map_fixed_noreplace 54TEST_GEN_FILES += map_hugetlb 55TEST_GEN_FILES += map_populate 56ifneq (,$(filter $(ARCH),arm64 riscv riscv64 x86 x86_64)) 57TEST_GEN_FILES += memfd_secret 58endif 59TEST_GEN_FILES += migration 60TEST_GEN_FILES += mkdirty 61TEST_GEN_FILES += mlock-random-test 62TEST_GEN_FILES += mlock2-tests 63TEST_GEN_FILES += mrelease_test 64TEST_GEN_FILES += mremap_dontunmap 65TEST_GEN_FILES += mremap_test 66TEST_GEN_FILES += mseal_test 67TEST_GEN_FILES += seal_elf 68TEST_GEN_FILES += on-fault-limit 69TEST_GEN_FILES += pagemap_ioctl 70TEST_GEN_FILES += thuge-gen 71TEST_GEN_FILES += transhuge-stress 72TEST_GEN_FILES += uffd-stress 73TEST_GEN_FILES += uffd-unit-tests 74TEST_GEN_FILES += split_huge_page_test 75TEST_GEN_FILES += ksm_tests 76TEST_GEN_FILES += ksm_functional_tests 77TEST_GEN_FILES += mdwe_test 78TEST_GEN_FILES += hugetlb_fault_after_madv 79TEST_GEN_FILES += hugetlb_madv_vs_map 80TEST_GEN_FILES += hugetlb_dio 81TEST_GEN_FILES += droppable 82TEST_GEN_FILES += guard-pages 83 84ifneq ($(ARCH),arm64) 85TEST_GEN_FILES += soft-dirty 86endif 87 88ifeq ($(ARCH),x86_64) 89CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_32bit_program.c -m32) 90CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_64bit_program.c) 91CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_program.c -no-pie) 92 93VMTARGETS := protection_keys 94VMTARGETS += pkey_sighandler_tests 95BINARIES_32 := $(VMTARGETS:%=%_32) 96BINARIES_64 := $(VMTARGETS:%=%_64) 97 98ifeq ($(CAN_BUILD_WITH_NOPIE),1) 99CFLAGS += -no-pie 100endif 101 102ifeq ($(CAN_BUILD_I386),1) 103TEST_GEN_FILES += $(BINARIES_32) 104endif 105 106ifeq ($(CAN_BUILD_X86_64),1) 107TEST_GEN_FILES += $(BINARIES_64) 108endif 109else 110 111ifneq (,$(filter $(ARCH),arm64 powerpc)) 112TEST_GEN_FILES += protection_keys 113endif 114 115endif 116 117ifneq (,$(filter $(ARCH),arm64 mips64 parisc64 powerpc riscv64 s390x sparc64 x86_64 s390)) 118TEST_GEN_FILES += va_high_addr_switch 119ifneq ($(ARCH),riscv64) 120TEST_GEN_FILES += virtual_address_range 121endif 122TEST_GEN_FILES += write_to_hugetlbfs 123endif 124 125TEST_PROGS := run_vmtests.sh 126 127TEST_FILES := test_vmalloc.sh 128TEST_FILES += test_hmm.sh 129TEST_FILES += va_high_addr_switch.sh 130TEST_FILES += charge_reserved_hugetlb.sh 131TEST_FILES += hugetlb_reparenting_test.sh 132 133# required by charge_reserved_hugetlb.sh 134TEST_FILES += write_hugetlb_memory.sh 135 136include ../lib.mk 137 138$(TEST_GEN_PROGS): vm_util.c thp_settings.c 139$(TEST_GEN_FILES): vm_util.c thp_settings.c 140 141$(OUTPUT)/uffd-stress: uffd-common.c 142$(OUTPUT)/uffd-unit-tests: uffd-common.c 143 144ifeq ($(ARCH),x86_64) 145BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32)) 146BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64)) 147 148define gen-target-rule-32 149$(1) $(1)_32: $(OUTPUT)/$(1)_32 150.PHONY: $(1) $(1)_32 151endef 152 153define gen-target-rule-64 154$(1) $(1)_64: $(OUTPUT)/$(1)_64 155.PHONY: $(1) $(1)_64 156endef 157 158ifeq ($(CAN_BUILD_I386),1) 159$(BINARIES_32): CFLAGS += -m32 -mxsave 160$(BINARIES_32): LDLIBS += -lrt -ldl -lm 161$(BINARIES_32): $(OUTPUT)/%_32: %.c 162 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@ 163$(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-32,$(t)))) 164endif 165 166ifeq ($(CAN_BUILD_X86_64),1) 167$(BINARIES_64): CFLAGS += -m64 -mxsave 168$(BINARIES_64): LDLIBS += -lrt -ldl 169$(BINARIES_64): $(OUTPUT)/%_64: %.c 170 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@ 171$(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-64,$(t)))) 172endif 173 174# x86_64 users should be encouraged to install 32-bit libraries 175ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01) 176all: warn_32bit_failure 177 178warn_32bit_failure: 179 @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \ 180 echo "environment. This will reduce test coverage of 64-bit" 2>&1; \ 181 echo "kernels. If you are using a Debian-like distribution," 2>&1; \ 182 echo "try:"; 2>&1; \ 183 echo ""; \ 184 echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \ 185 echo ""; \ 186 echo "If you are using a Fedora-like distribution, try:"; \ 187 echo ""; \ 188 echo " yum install glibc-devel.*i686"; \ 189 exit 0; 190endif 191endif 192 193# IOURING_EXTRA_LIBS may get set in local_config.mk, or it may be left empty. 194$(OUTPUT)/cow: LDLIBS += $(IOURING_EXTRA_LIBS) 195 196$(OUTPUT)/gup_longterm: LDLIBS += $(IOURING_EXTRA_LIBS) 197 198$(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap 199 200$(OUTPUT)/ksm_tests: LDLIBS += -lnuma 201 202$(OUTPUT)/migration: LDLIBS += -lnuma 203 204local_config.mk local_config.h: check_config.sh 205 /bin/sh ./check_config.sh $(CC) 206 207EXTRA_CLEAN += local_config.mk local_config.h 208 209ifeq ($(IOURING_EXTRA_LIBS),) 210all: warn_missing_liburing 211 212warn_missing_liburing: 213 @echo ; \ 214 echo "Warning: missing liburing support. Some tests will be skipped." ; \ 215 echo 216endif 217