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) $(KHDR_INCLUDES) 36LDLIBS = -lrt -lpthread -lm 37 38TEST_GEN_FILES = cow 39TEST_GEN_FILES += compaction_test 40TEST_GEN_FILES += gup_longterm 41TEST_GEN_FILES += gup_test 42TEST_GEN_FILES += hmm-tests 43TEST_GEN_FILES += hugetlb-madvise 44TEST_GEN_FILES += hugetlb-read-hwpoison 45TEST_GEN_FILES += hugepage-mmap 46TEST_GEN_FILES += hugepage-mremap 47TEST_GEN_FILES += hugepage-shm 48TEST_GEN_FILES += hugepage-vmemmap 49TEST_GEN_FILES += khugepaged 50TEST_GEN_FILES += madv_populate 51TEST_GEN_FILES += map_fixed_noreplace 52TEST_GEN_FILES += map_hugetlb 53TEST_GEN_FILES += map_populate 54TEST_GEN_FILES += memfd_secret 55TEST_GEN_FILES += migration 56TEST_GEN_FILES += mkdirty 57TEST_GEN_FILES += mlock-random-test 58TEST_GEN_FILES += mlock2-tests 59TEST_GEN_FILES += mrelease_test 60TEST_GEN_FILES += mremap_dontunmap 61TEST_GEN_FILES += mremap_test 62TEST_GEN_FILES += on-fault-limit 63TEST_GEN_FILES += pagemap_ioctl 64TEST_GEN_FILES += thuge-gen 65TEST_GEN_FILES += transhuge-stress 66TEST_GEN_FILES += uffd-stress 67TEST_GEN_FILES += uffd-unit-tests 68TEST_GEN_FILES += split_huge_page_test 69TEST_GEN_FILES += ksm_tests 70TEST_GEN_FILES += ksm_functional_tests 71TEST_GEN_FILES += mdwe_test 72TEST_GEN_FILES += hugetlb_fault_after_madv 73 74ifneq ($(ARCH),arm64) 75TEST_GEN_FILES += soft-dirty 76endif 77 78ifeq ($(ARCH),x86_64) 79CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_32bit_program.c -m32) 80CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_64bit_program.c) 81CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_program.c -no-pie) 82 83VMTARGETS := protection_keys 84BINARIES_32 := $(VMTARGETS:%=%_32) 85BINARIES_64 := $(VMTARGETS:%=%_64) 86 87ifeq ($(CAN_BUILD_WITH_NOPIE),1) 88CFLAGS += -no-pie 89endif 90 91ifeq ($(CAN_BUILD_I386),1) 92TEST_GEN_FILES += $(BINARIES_32) 93endif 94 95ifeq ($(CAN_BUILD_X86_64),1) 96TEST_GEN_FILES += $(BINARIES_64) 97endif 98else 99 100ifneq (,$(findstring $(ARCH),ppc64)) 101TEST_GEN_FILES += protection_keys 102endif 103 104endif 105 106ifneq (,$(filter $(ARCH),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sparc64 x86_64)) 107TEST_GEN_FILES += va_high_addr_switch 108TEST_GEN_FILES += virtual_address_range 109TEST_GEN_FILES += write_to_hugetlbfs 110endif 111 112TEST_PROGS := run_vmtests.sh 113 114TEST_FILES := test_vmalloc.sh 115TEST_FILES += test_hmm.sh 116TEST_FILES += va_high_addr_switch.sh 117 118include ../lib.mk 119 120$(TEST_GEN_PROGS): vm_util.c thp_settings.c 121$(TEST_GEN_FILES): vm_util.c thp_settings.c 122 123$(OUTPUT)/uffd-stress: uffd-common.c 124$(OUTPUT)/uffd-unit-tests: uffd-common.c 125 126ifeq ($(ARCH),x86_64) 127BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32)) 128BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64)) 129 130define gen-target-rule-32 131$(1) $(1)_32: $(OUTPUT)/$(1)_32 132.PHONY: $(1) $(1)_32 133endef 134 135define gen-target-rule-64 136$(1) $(1)_64: $(OUTPUT)/$(1)_64 137.PHONY: $(1) $(1)_64 138endef 139 140ifeq ($(CAN_BUILD_I386),1) 141$(BINARIES_32): CFLAGS += -m32 -mxsave 142$(BINARIES_32): LDLIBS += -lrt -ldl -lm 143$(BINARIES_32): $(OUTPUT)/%_32: %.c 144 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@ 145$(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-32,$(t)))) 146endif 147 148ifeq ($(CAN_BUILD_X86_64),1) 149$(BINARIES_64): CFLAGS += -m64 -mxsave 150$(BINARIES_64): LDLIBS += -lrt -ldl 151$(BINARIES_64): $(OUTPUT)/%_64: %.c 152 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@ 153$(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-64,$(t)))) 154endif 155 156# x86_64 users should be encouraged to install 32-bit libraries 157ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01) 158all: warn_32bit_failure 159 160warn_32bit_failure: 161 @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \ 162 echo "environment. This will reduce test coverage of 64-bit" 2>&1; \ 163 echo "kernels. If you are using a Debian-like distribution," 2>&1; \ 164 echo "try:"; 2>&1; \ 165 echo ""; \ 166 echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \ 167 echo ""; \ 168 echo "If you are using a Fedora-like distribution, try:"; \ 169 echo ""; \ 170 echo " yum install glibc-devel.*i686"; \ 171 exit 0; 172endif 173endif 174 175# IOURING_EXTRA_LIBS may get set in local_config.mk, or it may be left empty. 176$(OUTPUT)/cow: LDLIBS += $(IOURING_EXTRA_LIBS) 177 178$(OUTPUT)/gup_longterm: LDLIBS += $(IOURING_EXTRA_LIBS) 179 180$(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap 181 182$(OUTPUT)/ksm_tests: LDLIBS += -lnuma 183 184$(OUTPUT)/migration: LDLIBS += -lnuma 185 186local_config.mk local_config.h: check_config.sh 187 /bin/sh ./check_config.sh $(CC) 188 189EXTRA_CLEAN += local_config.mk local_config.h 190 191ifeq ($(IOURING_EXTRA_LIBS),) 192all: warn_missing_liburing 193 194warn_missing_liburing: 195 @echo ; \ 196 echo "Warning: missing liburing support. Some tests will be skipped." ; \ 197 echo 198endif 199