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