| # SPDX-License-Identifier: GPL-2.0 |
| # Makefile for vm selftests |
| uname_M := $(shell uname -m 2>/dev/null || echo not) |
| MACHINE ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/') |
| |
| # Without this, failed build products remain, with up-to-date timestamps, |
| # thus tricking Make (and you!) into believing that All Is Well, in subsequent |
| # make invocations: |
| .DELETE_ON_ERROR: |
| |
| # Avoid accidental wrong builds, due to built-in rules working just a little |
| # bit too well--but not quite as well as required for our situation here. |
| # |
| # In other words, "make userfaultfd" is supposed to fail to build at all, |
| # because this Makefile only supports either "make" (all), or "make /full/path". |
| # However, the built-in rules, if not suppressed, will pick up CFLAGS and the |
| # initial LDLIBS (but not the target-specific LDLIBS, because those are only |
| # set for the full path target!). This causes it to get pretty far into building |
| # things despite using incorrect values such as an *occasionally* incomplete |
| # LDLIBS. |
| MAKEFLAGS += --no-builtin-rules |
| |
| CFLAGS = -Wall -I ../../../../usr/include $(EXTRA_CFLAGS) |
| LDLIBS = -lrt |
| TEST_GEN_FILES = compaction_test |
| TEST_GEN_FILES += gup_test |
| TEST_GEN_FILES += hmm-tests |
| TEST_GEN_FILES += hugepage-mmap |
| TEST_GEN_FILES += hugepage-shm |
| TEST_GEN_FILES += map_hugetlb |
| TEST_GEN_FILES += map_fixed_noreplace |
| TEST_GEN_FILES += map_populate |
| TEST_GEN_FILES += mlock-random-test |
| TEST_GEN_FILES += mlock2-tests |
| TEST_GEN_FILES += mremap_dontunmap |
| TEST_GEN_FILES += on-fault-limit |
| TEST_GEN_FILES += thuge-gen |
| TEST_GEN_FILES += transhuge-stress |
| TEST_GEN_FILES += userfaultfd |
| TEST_GEN_FILES += khugepaged |
| |
| ifeq ($(ARCH),x86_64) |
| CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh $(CC) ../x86/trivial_32bit_program.c -m32) |
| CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh $(CC) ../x86/trivial_64bit_program.c) |
| CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh $(CC) ../x86/trivial_program.c -no-pie) |
| |
| TARGETS := protection_keys |
| BINARIES_32 := $(TARGETS:%=%_32) |
| BINARIES_64 := $(TARGETS:%=%_64) |
| |
| ifeq ($(CAN_BUILD_WITH_NOPIE),1) |
| CFLAGS += -no-pie |
| endif |
| |
| ifeq ($(CAN_BUILD_I386),1) |
| TEST_GEN_FILES += $(BINARIES_32) |
| endif |
| |
| ifeq ($(CAN_BUILD_X86_64),1) |
| TEST_GEN_FILES += $(BINARIES_64) |
| endif |
| else |
| |
| ifneq (,$(findstring $(ARCH),powerpc)) |
| TEST_GEN_FILES += protection_keys |
| endif |
| |
| endif |
| |
| ifneq (,$(filter $(MACHINE),arm64 ia64 mips64 parisc64 ppc64 ppc64le riscv64 s390x sh64 sparc64 x86_64)) |
| TEST_GEN_FILES += va_128TBswitch |
| TEST_GEN_FILES += virtual_address_range |
| TEST_GEN_FILES += write_to_hugetlbfs |
| endif |
| |
| TEST_PROGS := run_vmtests |
| |
| TEST_FILES := test_vmalloc.sh |
| |
| KSFT_KHDR_INSTALL := 1 |
| include ../lib.mk |
| |
| $(OUTPUT)/hmm-tests: LDLIBS += -lhugetlbfs -lpthread |
| |
| ifeq ($(ARCH),x86_64) |
| BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32)) |
| BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64)) |
| |
| define gen-target-rule-32 |
| $(1) $(1)_32: $(OUTPUT)/$(1)_32 |
| .PHONY: $(1) $(1)_32 |
| endef |
| |
| define gen-target-rule-64 |
| $(1) $(1)_64: $(OUTPUT)/$(1)_64 |
| .PHONY: $(1) $(1)_64 |
| endef |
| |
| ifeq ($(CAN_BUILD_I386),1) |
| $(BINARIES_32): CFLAGS += -m32 |
| $(BINARIES_32): LDLIBS += -lrt -ldl -lm |
| $(BINARIES_32): %_32: %.c |
| $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@ |
| $(foreach t,$(TARGETS),$(eval $(call gen-target-rule-32,$(t)))) |
| endif |
| |
| ifeq ($(CAN_BUILD_X86_64),1) |
| $(BINARIES_64): CFLAGS += -m64 |
| $(BINARIES_64): LDLIBS += -lrt -ldl |
| $(BINARIES_64): %_64: %.c |
| $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@ |
| $(foreach t,$(TARGETS),$(eval $(call gen-target-rule-64,$(t)))) |
| endif |
| |
| # x86_64 users should be encouraged to install 32-bit libraries |
| ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01) |
| all: warn_32bit_failure |
| |
| warn_32bit_failure: |
| @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \ |
| echo "environment. This will reduce test coverage of 64-bit" 2>&1; \ |
| echo "kernels. If you are using a Debian-like distribution," 2>&1; \ |
| echo "try:"; 2>&1; \ |
| echo ""; \ |
| echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \ |
| echo ""; \ |
| echo "If you are using a Fedora-like distribution, try:"; \ |
| echo ""; \ |
| echo " yum install glibc-devel.*i686"; \ |
| exit 0; |
| endif |
| endif |
| |
| $(OUTPUT)/userfaultfd: LDLIBS += -lpthread |
| |
| $(OUTPUT)/mlock-random-test: LDLIBS += -lcap |