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) $(TOOLS_INCLUDES) 37LDLIBS = -lrt -lpthread -lm 38 39TEST_GEN_FILES = cow 40TEST_GEN_FILES += compaction_test 41TEST_GEN_FILES += gup_longterm 42TEST_GEN_FILES += gup_test 43TEST_GEN_FILES += hmm-tests 44TEST_GEN_FILES += hugetlb-madvise 45TEST_GEN_FILES += hugetlb-read-hwpoison 46TEST_GEN_FILES += hugetlb-soft-offline 47TEST_GEN_FILES += hugepage-mmap 48TEST_GEN_FILES += hugepage-mremap 49TEST_GEN_FILES += hugepage-shm 50TEST_GEN_FILES += hugepage-vmemmap 51TEST_GEN_FILES += khugepaged 52TEST_GEN_FILES += madv_populate 53TEST_GEN_FILES += map_fixed_noreplace 54TEST_GEN_FILES += map_hugetlb 55TEST_GEN_FILES += map_populate 56TEST_GEN_FILES += memfd_secret 57TEST_GEN_FILES += migration 58TEST_GEN_FILES += mkdirty 59TEST_GEN_FILES += mlock-random-test 60TEST_GEN_FILES += mlock2-tests 61TEST_GEN_FILES += mrelease_test 62TEST_GEN_FILES += mremap_dontunmap 63TEST_GEN_FILES += mremap_test 64TEST_GEN_FILES += mseal_test 65TEST_GEN_FILES += seal_elf 66TEST_GEN_FILES += on-fault-limit 67TEST_GEN_FILES += pagemap_ioctl 68TEST_GEN_FILES += thuge-gen 69TEST_GEN_FILES += transhuge-stress 70TEST_GEN_FILES += uffd-stress 71TEST_GEN_FILES += uffd-unit-tests 72TEST_GEN_FILES += split_huge_page_test 73TEST_GEN_FILES += ksm_tests 74TEST_GEN_FILES += ksm_functional_tests 75TEST_GEN_FILES += mdwe_test 76TEST_GEN_FILES += hugetlb_fault_after_madv 77TEST_GEN_FILES += hugetlb_madv_vs_map 78TEST_GEN_FILES += hugetlb_dio 79 80ifneq ($(ARCH),arm64) 81TEST_GEN_FILES += soft-dirty 82endif 83 84ifeq ($(ARCH),x86_64) 85CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_32bit_program.c -m32) 86CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_64bit_program.c) 87CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_program.c -no-pie) 88 89VMTARGETS := protection_keys 90BINARIES_32 := $(VMTARGETS:%=%_32) 91BINARIES_64 := $(VMTARGETS:%=%_64) 92 93ifeq ($(CAN_BUILD_WITH_NOPIE),1) 94CFLAGS += -no-pie 95endif 96 97ifeq ($(CAN_BUILD_I386),1) 98TEST_GEN_FILES += $(BINARIES_32) 99endif 100 101ifeq ($(CAN_BUILD_X86_64),1) 102TEST_GEN_FILES += $(BINARIES_64) 103endif 104else 105 106ifneq (,$(findstring $(ARCH),powerpc)) 107TEST_GEN_FILES += protection_keys 108endif 109 110endif 111 112ifneq (,$(filter $(ARCH),arm64 ia64 mips64 parisc64 powerpc riscv64 s390x sparc64 x86_64)) 113TEST_GEN_FILES += va_high_addr_switch 114TEST_GEN_FILES += virtual_address_range 115TEST_GEN_FILES += write_to_hugetlbfs 116endif 117 118TEST_PROGS := run_vmtests.sh 119 120TEST_FILES := test_vmalloc.sh 121TEST_FILES += test_hmm.sh 122TEST_FILES += va_high_addr_switch.sh 123TEST_FILES += charge_reserved_hugetlb.sh 124TEST_FILES += hugetlb_reparenting_test.sh 125 126# required by charge_reserved_hugetlb.sh 127TEST_FILES += write_hugetlb_memory.sh 128 129include ../lib.mk 130 131$(TEST_GEN_PROGS): vm_util.c thp_settings.c 132$(TEST_GEN_FILES): vm_util.c thp_settings.c 133 134$(OUTPUT)/uffd-stress: uffd-common.c 135$(OUTPUT)/uffd-unit-tests: uffd-common.c 136 137ifeq ($(ARCH),x86_64) 138BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32)) 139BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64)) 140 141define gen-target-rule-32 142$(1) $(1)_32: $(OUTPUT)/$(1)_32 143.PHONY: $(1) $(1)_32 144endef 145 146define gen-target-rule-64 147$(1) $(1)_64: $(OUTPUT)/$(1)_64 148.PHONY: $(1) $(1)_64 149endef 150 151ifeq ($(CAN_BUILD_I386),1) 152$(BINARIES_32): CFLAGS += -m32 -mxsave 153$(BINARIES_32): LDLIBS += -lrt -ldl -lm 154$(BINARIES_32): $(OUTPUT)/%_32: %.c 155 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@ 156$(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-32,$(t)))) 157endif 158 159ifeq ($(CAN_BUILD_X86_64),1) 160$(BINARIES_64): CFLAGS += -m64 -mxsave 161$(BINARIES_64): LDLIBS += -lrt -ldl 162$(BINARIES_64): $(OUTPUT)/%_64: %.c 163 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@ 164$(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-64,$(t)))) 165endif 166 167# x86_64 users should be encouraged to install 32-bit libraries 168ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01) 169all: warn_32bit_failure 170 171warn_32bit_failure: 172 @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \ 173 echo "environment. This will reduce test coverage of 64-bit" 2>&1; \ 174 echo "kernels. If you are using a Debian-like distribution," 2>&1; \ 175 echo "try:"; 2>&1; \ 176 echo ""; \ 177 echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \ 178 echo ""; \ 179 echo "If you are using a Fedora-like distribution, try:"; \ 180 echo ""; \ 181 echo " yum install glibc-devel.*i686"; \ 182 exit 0; 183endif 184endif 185 186# IOURING_EXTRA_LIBS may get set in local_config.mk, or it may be left empty. 187$(OUTPUT)/cow: LDLIBS += $(IOURING_EXTRA_LIBS) 188 189$(OUTPUT)/gup_longterm: LDLIBS += $(IOURING_EXTRA_LIBS) 190 191$(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap 192 193$(OUTPUT)/ksm_tests: LDLIBS += -lnuma 194 195$(OUTPUT)/migration: LDLIBS += -lnuma 196 197local_config.mk local_config.h: check_config.sh 198 /bin/sh ./check_config.sh $(CC) 199 200EXTRA_CLEAN += local_config.mk local_config.h 201 202ifeq ($(IOURING_EXTRA_LIBS),) 203all: warn_missing_liburing 204 205warn_missing_liburing: 206 @echo ; \ 207 echo "Warning: missing liburing support. Some tests will be skipped." ; \ 208 echo 209endif 210