1# SPDX-License-Identifier: GPL-2.0 2# Makefile for mm selftests 3 4LOCAL_HDRS += $(selfdir)/mm/local_config.h $(top_srcdir)/mm/gup_test.h 5 6include local_config.mk 7 8ifeq ($(ARCH),) 9 10ifeq ($(CROSS_COMPILE),) 11uname_M := $(shell uname -m 2>/dev/null || echo not) 12else 13uname_M := $(shell echo $(CROSS_COMPILE) | grep -o '^[a-z0-9]\+') 14endif 15ARCH ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/ppc64/') 16endif 17 18# Without this, failed build products remain, with up-to-date timestamps, 19# thus tricking Make (and you!) into believing that All Is Well, in subsequent 20# make invocations: 21.DELETE_ON_ERROR: 22 23# Avoid accidental wrong builds, due to built-in rules working just a little 24# bit too well--but not quite as well as required for our situation here. 25# 26# In other words, "make $SOME_TEST" is supposed to fail to build at all, 27# because this Makefile only supports either "make" (all), or "make /full/path". 28# However, the built-in rules, if not suppressed, will pick up CFLAGS and the 29# initial LDLIBS (but not the target-specific LDLIBS, because those are only 30# set for the full path target!). This causes it to get pretty far into building 31# things despite using incorrect values such as an *occasionally* incomplete 32# LDLIBS. 33MAKEFLAGS += --no-builtin-rules 34 35CFLAGS = -Wall -I $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES) 36LDLIBS = -lrt -lpthread 37 38TEST_GEN_FILES = cow 39TEST_GEN_FILES += compaction_test 40TEST_GEN_FILES += gup_longterm 41TEST_GEN_FILES += gup_test 42TEST_GEN_FILES += hmm-tests 43TEST_GEN_FILES += hugetlb-madvise 44TEST_GEN_FILES += hugetlb-read-hwpoison 45TEST_GEN_FILES += hugepage-mmap 46TEST_GEN_FILES += hugepage-mremap 47TEST_GEN_FILES += hugepage-shm 48TEST_GEN_FILES += hugepage-vmemmap 49TEST_GEN_FILES += khugepaged 50TEST_GEN_FILES += madv_populate 51TEST_GEN_FILES += map_fixed_noreplace 52TEST_GEN_FILES += map_hugetlb 53TEST_GEN_FILES += map_populate 54TEST_GEN_FILES += memfd_secret 55TEST_GEN_FILES += migration 56TEST_GEN_FILES += mkdirty 57TEST_GEN_FILES += mlock-random-test 58TEST_GEN_FILES += mlock2-tests 59TEST_GEN_FILES += mrelease_test 60TEST_GEN_FILES += mremap_dontunmap 61TEST_GEN_FILES += mremap_test 62TEST_GEN_FILES += on-fault-limit 63TEST_GEN_FILES += thuge-gen 64TEST_GEN_FILES += transhuge-stress 65TEST_GEN_FILES += uffd-stress 66TEST_GEN_FILES += uffd-unit-tests 67TEST_GEN_FILES += split_huge_page_test 68TEST_GEN_FILES += ksm_tests 69TEST_GEN_FILES += ksm_functional_tests 70TEST_GEN_FILES += mdwe_test 71 72ifneq ($(ARCH),arm64) 73TEST_GEN_PROGS += soft-dirty 74endif 75 76ifeq ($(ARCH),x86_64) 77CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_32bit_program.c -m32) 78CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_64bit_program.c) 79CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_program.c -no-pie) 80 81VMTARGETS := protection_keys 82BINARIES_32 := $(VMTARGETS:%=%_32) 83BINARIES_64 := $(VMTARGETS:%=%_64) 84 85ifeq ($(CAN_BUILD_WITH_NOPIE),1) 86CFLAGS += -no-pie 87endif 88 89ifeq ($(CAN_BUILD_I386),1) 90TEST_GEN_FILES += $(BINARIES_32) 91endif 92 93ifeq ($(CAN_BUILD_X86_64),1) 94TEST_GEN_FILES += $(BINARIES_64) 95endif 96else 97 98ifneq (,$(findstring $(ARCH),ppc64)) 99TEST_GEN_FILES += protection_keys 100endif 101 102endif 103 104ifneq (,$(filter $(ARCH),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sparc64 x86_64)) 105TEST_GEN_FILES += va_high_addr_switch 106TEST_GEN_FILES += virtual_address_range 107TEST_GEN_FILES += write_to_hugetlbfs 108endif 109 110TEST_PROGS := run_vmtests.sh 111 112TEST_FILES := test_vmalloc.sh 113TEST_FILES += test_hmm.sh 114TEST_FILES += va_high_addr_switch.sh 115 116include ../lib.mk 117 118$(TEST_GEN_PROGS): vm_util.c 119$(TEST_GEN_FILES): vm_util.c 120 121$(OUTPUT)/uffd-stress: uffd-common.c 122$(OUTPUT)/uffd-unit-tests: uffd-common.c 123 124ifeq ($(ARCH),x86_64) 125BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32)) 126BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64)) 127 128define gen-target-rule-32 129$(1) $(1)_32: $(OUTPUT)/$(1)_32 130.PHONY: $(1) $(1)_32 131endef 132 133define gen-target-rule-64 134$(1) $(1)_64: $(OUTPUT)/$(1)_64 135.PHONY: $(1) $(1)_64 136endef 137 138ifeq ($(CAN_BUILD_I386),1) 139$(BINARIES_32): CFLAGS += -m32 -mxsave 140$(BINARIES_32): LDLIBS += -lrt -ldl -lm 141$(BINARIES_32): $(OUTPUT)/%_32: %.c 142 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@ 143$(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-32,$(t)))) 144endif 145 146ifeq ($(CAN_BUILD_X86_64),1) 147$(BINARIES_64): CFLAGS += -m64 -mxsave 148$(BINARIES_64): LDLIBS += -lrt -ldl 149$(BINARIES_64): $(OUTPUT)/%_64: %.c 150 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@ 151$(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-64,$(t)))) 152endif 153 154# x86_64 users should be encouraged to install 32-bit libraries 155ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01) 156all: warn_32bit_failure 157 158warn_32bit_failure: 159 @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \ 160 echo "environment. This will reduce test coverage of 64-bit" 2>&1; \ 161 echo "kernels. If you are using a Debian-like distribution," 2>&1; \ 162 echo "try:"; 2>&1; \ 163 echo ""; \ 164 echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \ 165 echo ""; \ 166 echo "If you are using a Fedora-like distribution, try:"; \ 167 echo ""; \ 168 echo " yum install glibc-devel.*i686"; \ 169 exit 0; 170endif 171endif 172 173# IOURING_EXTRA_LIBS may get set in local_config.mk, or it may be left empty. 174$(OUTPUT)/cow: LDLIBS += $(IOURING_EXTRA_LIBS) 175 176$(OUTPUT)/gup_longterm: LDLIBS += $(IOURING_EXTRA_LIBS) 177 178$(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap 179 180$(OUTPUT)/ksm_tests: LDLIBS += -lnuma 181 182$(OUTPUT)/migration: LDLIBS += -lnuma 183 184local_config.mk local_config.h: check_config.sh 185 /bin/sh ./check_config.sh $(CC) 186 187EXTRA_CLEAN += local_config.mk local_config.h 188 189ifeq ($(IOURING_EXTRA_LIBS),) 190all: warn_missing_liburing 191 192warn_missing_liburing: 193 @echo ; \ 194 echo "Warning: missing liburing support. Some tests will be skipped." ; \ 195 echo 196endif 197