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