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) $(KHDR_INCLUDES) 36LDLIBS = -lrt -lpthread -lm 37 38TEST_GEN_FILES = cow 39TEST_GEN_FILES += compaction_test 40TEST_GEN_FILES += gup_longterm 41TEST_GEN_FILES += gup_test 42TEST_GEN_FILES += hmm-tests 43TEST_GEN_FILES += hugetlb-madvise 44TEST_GEN_FILES += hugetlb-read-hwpoison 45TEST_GEN_FILES += hugepage-mmap 46TEST_GEN_FILES += hugepage-mremap 47TEST_GEN_FILES += hugepage-shm 48TEST_GEN_FILES += hugepage-vmemmap 49TEST_GEN_FILES += khugepaged 50TEST_GEN_FILES += madv_populate 51TEST_GEN_FILES += map_fixed_noreplace 52TEST_GEN_FILES += map_hugetlb 53TEST_GEN_FILES += map_populate 54TEST_GEN_FILES += memfd_secret 55TEST_GEN_FILES += migration 56TEST_GEN_FILES += mkdirty 57TEST_GEN_FILES += mlock-random-test 58TEST_GEN_FILES += mlock2-tests 59TEST_GEN_FILES += mrelease_test 60TEST_GEN_FILES += mremap_dontunmap 61TEST_GEN_FILES += mremap_test 62TEST_GEN_FILES += on-fault-limit 63TEST_GEN_FILES += pagemap_ioctl 64TEST_GEN_FILES += thuge-gen 65TEST_GEN_FILES += transhuge-stress 66TEST_GEN_FILES += uffd-stress 67TEST_GEN_FILES += uffd-unit-tests 68TEST_GEN_FILES += split_huge_page_test 69TEST_GEN_FILES += ksm_tests 70TEST_GEN_FILES += ksm_functional_tests 71TEST_GEN_FILES += mdwe_test 72TEST_GEN_FILES += hugetlb_fault_after_madv 73TEST_GEN_FILES += hugetlb_madv_vs_map 74 75ifneq ($(ARCH),arm64) 76TEST_GEN_FILES += soft-dirty 77endif 78 79ifeq ($(ARCH),x86_64) 80CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_32bit_program.c -m32) 81CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_64bit_program.c) 82CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_program.c -no-pie) 83 84VMTARGETS := protection_keys 85BINARIES_32 := $(VMTARGETS:%=%_32) 86BINARIES_64 := $(VMTARGETS:%=%_64) 87 88ifeq ($(CAN_BUILD_WITH_NOPIE),1) 89CFLAGS += -no-pie 90endif 91 92ifeq ($(CAN_BUILD_I386),1) 93TEST_GEN_FILES += $(BINARIES_32) 94endif 95 96ifeq ($(CAN_BUILD_X86_64),1) 97TEST_GEN_FILES += $(BINARIES_64) 98endif 99else 100 101ifneq (,$(findstring $(ARCH),ppc64)) 102TEST_GEN_FILES += protection_keys 103endif 104 105endif 106 107ifneq (,$(filter $(ARCH),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sparc64 x86_64)) 108TEST_GEN_FILES += va_high_addr_switch 109TEST_GEN_FILES += virtual_address_range 110TEST_GEN_FILES += write_to_hugetlbfs 111endif 112 113TEST_PROGS := run_vmtests.sh 114 115TEST_FILES := test_vmalloc.sh 116TEST_FILES += test_hmm.sh 117TEST_FILES += va_high_addr_switch.sh 118TEST_FILES += charge_reserved_hugetlb.sh 119TEST_FILES += hugetlb_reparenting_test.sh 120 121# required by charge_reserved_hugetlb.sh 122TEST_FILES += write_hugetlb_memory.sh 123 124include ../lib.mk 125 126$(TEST_GEN_PROGS): vm_util.c thp_settings.c 127$(TEST_GEN_FILES): vm_util.c thp_settings.c 128 129$(OUTPUT)/uffd-stress: uffd-common.c 130$(OUTPUT)/uffd-unit-tests: uffd-common.c 131 132ifeq ($(ARCH),x86_64) 133BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32)) 134BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64)) 135 136define gen-target-rule-32 137$(1) $(1)_32: $(OUTPUT)/$(1)_32 138.PHONY: $(1) $(1)_32 139endef 140 141define gen-target-rule-64 142$(1) $(1)_64: $(OUTPUT)/$(1)_64 143.PHONY: $(1) $(1)_64 144endef 145 146ifeq ($(CAN_BUILD_I386),1) 147$(BINARIES_32): CFLAGS += -m32 -mxsave 148$(BINARIES_32): LDLIBS += -lrt -ldl -lm 149$(BINARIES_32): $(OUTPUT)/%_32: %.c 150 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@ 151$(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-32,$(t)))) 152endif 153 154ifeq ($(CAN_BUILD_X86_64),1) 155$(BINARIES_64): CFLAGS += -m64 -mxsave 156$(BINARIES_64): LDLIBS += -lrt -ldl 157$(BINARIES_64): $(OUTPUT)/%_64: %.c 158 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@ 159$(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-64,$(t)))) 160endif 161 162# x86_64 users should be encouraged to install 32-bit libraries 163ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01) 164all: warn_32bit_failure 165 166warn_32bit_failure: 167 @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \ 168 echo "environment. This will reduce test coverage of 64-bit" 2>&1; \ 169 echo "kernels. If you are using a Debian-like distribution," 2>&1; \ 170 echo "try:"; 2>&1; \ 171 echo ""; \ 172 echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \ 173 echo ""; \ 174 echo "If you are using a Fedora-like distribution, try:"; \ 175 echo ""; \ 176 echo " yum install glibc-devel.*i686"; \ 177 exit 0; 178endif 179endif 180 181# IOURING_EXTRA_LIBS may get set in local_config.mk, or it may be left empty. 182$(OUTPUT)/cow: LDLIBS += $(IOURING_EXTRA_LIBS) 183 184$(OUTPUT)/gup_longterm: LDLIBS += $(IOURING_EXTRA_LIBS) 185 186$(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap 187 188$(OUTPUT)/ksm_tests: LDLIBS += -lnuma 189 190$(OUTPUT)/migration: LDLIBS += -lnuma 191 192local_config.mk local_config.h: check_config.sh 193 /bin/sh ./check_config.sh $(CC) 194 195EXTRA_CLEAN += local_config.mk local_config.h 196 197ifeq ($(IOURING_EXTRA_LIBS),) 198all: warn_missing_liburing 199 200warn_missing_liburing: 201 @echo ; \ 202 echo "Warning: missing liburing support. Some tests will be skipped." ; \ 203 echo 204endif 205