1 # SPDX-License-Identifier: GPL-2.0
2 # Makefile for vm selftests
4 LOCAL_HDRS += $(selfdir)/vm/local_config.h $(top_srcdir)/mm/gup_test.h
6 include local_config.mk
8 uname_M := $(shell uname -m 2>/dev/null || echo not)
9 MACHINE ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/ppc64/')
11 # Without this, failed build products remain, with up-to-date timestamps,
12 # thus tricking Make (and you!) into believing that All Is Well, in subsequent
16 # Avoid accidental wrong builds, due to built-in rules working just a little
17 # bit too well--but not quite as well as required for our situation here.
19 # In other words, "make userfaultfd" is supposed to fail to build at all,
20 # because this Makefile only supports either "make" (all), or "make /full/path".
21 # However, the built-in rules, if not suppressed, will pick up CFLAGS and the
22 # initial LDLIBS (but not the target-specific LDLIBS, because those are only
23 # set for the full path target!). This causes it to get pretty far into building
24 # things despite using incorrect values such as an *occasionally* incomplete
26 MAKEFLAGS += --no-builtin-rules
28 CFLAGS = -Wall -I ../../../../usr/include $(EXTRA_CFLAGS) $(KHDR_INCLUDES)
29 LDLIBS = -lrt -lpthread
30 TEST_GEN_FILES = compaction_test
31 TEST_GEN_FILES += gup_test
32 TEST_GEN_FILES += hmm-tests
33 TEST_GEN_FILES += hugetlb-madvise
34 TEST_GEN_FILES += hugepage-mmap
35 TEST_GEN_FILES += hugepage-mremap
36 TEST_GEN_FILES += hugepage-shm
37 TEST_GEN_FILES += hugepage-vmemmap
38 TEST_GEN_FILES += khugepaged
39 TEST_GEN_PROGS = madv_populate
40 TEST_GEN_FILES += map_fixed_noreplace
41 TEST_GEN_FILES += map_hugetlb
42 TEST_GEN_FILES += map_populate
43 TEST_GEN_FILES += memfd_secret
44 TEST_GEN_FILES += migration
45 TEST_GEN_FILES += mlock-random-test
46 TEST_GEN_FILES += mlock2-tests
47 TEST_GEN_FILES += mremap_dontunmap
48 TEST_GEN_FILES += mremap_test
49 TEST_GEN_FILES += on-fault-limit
50 TEST_GEN_FILES += thuge-gen
51 TEST_GEN_FILES += transhuge-stress
52 TEST_GEN_FILES += userfaultfd
53 TEST_GEN_PROGS += split_huge_page_test
54 TEST_GEN_FILES += ksm_tests
56 ifeq ($(MACHINE),x86_64)
57 CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_32bit_program.c -m32)
58 CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_64bit_program.c)
59 CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_program.c -no-pie)
61 TARGETS := protection_keys
62 BINARIES_32 := $(TARGETS:%=%_32)
63 BINARIES_64 := $(TARGETS:%=%_64)
65 ifeq ($(CAN_BUILD_WITH_NOPIE),1)
69 ifeq ($(CAN_BUILD_I386),1)
70 TEST_GEN_FILES += $(BINARIES_32)
73 ifeq ($(CAN_BUILD_X86_64),1)
74 TEST_GEN_FILES += $(BINARIES_64)
78 ifneq (,$(findstring $(MACHINE),ppc64))
79 TEST_GEN_FILES += protection_keys
84 ifneq (,$(filter $(MACHINE),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sh64 sparc64 x86_64))
85 TEST_GEN_FILES += va_128TBswitch
86 TEST_GEN_FILES += virtual_address_range
87 TEST_GEN_FILES += write_to_hugetlbfs
90 TEST_PROGS := run_vmtests.sh
92 TEST_FILES := test_vmalloc.sh
94 KSFT_KHDR_INSTALL := 1
97 $(OUTPUT)/madv_populate: vm_util.c
98 $(OUTPUT)/split_huge_page_test: vm_util.c
100 ifeq ($(MACHINE),x86_64)
101 BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32))
102 BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64))
104 define gen-target-rule-32
105 $(1) $(1)_32: $(OUTPUT)/$(1)_32
109 define gen-target-rule-64
110 $(1) $(1)_64: $(OUTPUT)/$(1)_64
114 ifeq ($(CAN_BUILD_I386),1)
115 $(BINARIES_32): CFLAGS += -m32 -mxsave
116 $(BINARIES_32): LDLIBS += -lrt -ldl -lm
117 $(BINARIES_32): $(OUTPUT)/%_32: %.c
118 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
119 $(foreach t,$(TARGETS),$(eval $(call gen-target-rule-32,$(t))))
122 ifeq ($(CAN_BUILD_X86_64),1)
123 $(BINARIES_64): CFLAGS += -m64 -mxsave
124 $(BINARIES_64): LDLIBS += -lrt -ldl
125 $(BINARIES_64): $(OUTPUT)/%_64: %.c
126 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
127 $(foreach t,$(TARGETS),$(eval $(call gen-target-rule-64,$(t))))
130 # x86_64 users should be encouraged to install 32-bit libraries
131 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
132 all: warn_32bit_failure
135 @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \
136 echo "environment. This will reduce test coverage of 64-bit" 2>&1; \
137 echo "kernels. If you are using a Debian-like distribution," 2>&1; \
140 echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \
142 echo "If you are using a Fedora-like distribution, try:"; \
144 echo " yum install glibc-devel.*i686"; \
149 $(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap
151 # HMM_EXTRA_LIBS may get set in local_config.mk, or it may be left empty.
152 $(OUTPUT)/hmm-tests: LDLIBS += $(HMM_EXTRA_LIBS)
154 $(OUTPUT)/ksm_tests: LDLIBS += -lnuma
156 $(OUTPUT)/migration: LDLIBS += -lnuma
158 local_config.mk local_config.h: check_config.sh
159 /bin/sh ./check_config.sh $(CC)
161 EXTRA_CLEAN += local_config.mk local_config.h
163 ifeq ($(HMM_EXTRA_LIBS),)
164 all: warn_missing_hugelibs
166 warn_missing_hugelibs:
168 echo "Warning: missing libhugetlbfs support. Some HMM tests will be skipped." ; \