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