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7c5e8d212d
[1] mentions that memfd_secret is only supported on arm64, riscv, x86 and
x86_64 for now. It doesn't support other architectures. I found the
build error on arm and decided to send the fix as it was creating noise on
KernelCI:
memfd_secret.c: In function 'memfd_secret':
memfd_secret.c:42:24: error: '__NR_memfd_secret' undeclared (first use in this function);
did you mean 'memfd_secret'?
42 | return syscall(__NR_memfd_secret, flags);
| ^~~~~~~~~~~~~~~~~
| memfd_secret
Hence I'm adding condition that memfd_secret should only be compiled on
supported architectures.
Also check in run_vmtests script if memfd_secret binary is present before
executing it.
Link: https://lkml.kernel.org/r/20240812061522.1933054-1-usama.anjum@collabora.com
Link: https://lore.kernel.org/all/20210518072034.31572-7-rppt@kernel.org/ [1]
Link: https://lkml.kernel.org/r/20240809075642.403247-1-usama.anjum@collabora.com
Fixes: 76fe17ef58 ("secretmem: test: add basic selftest for memfd_secret(2)")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
213 lines
6.3 KiB
Makefile
213 lines
6.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Makefile for mm selftests
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LOCAL_HDRS += $(selfdir)/mm/local_config.h $(top_srcdir)/mm/gup_test.h
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LOCAL_HDRS += $(selfdir)/mm/mseal_helpers.h
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include local_config.mk
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ifeq ($(ARCH),)
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ifeq ($(CROSS_COMPILE),)
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uname_M := $(shell uname -m 2>/dev/null || echo not)
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else
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uname_M := $(shell echo $(CROSS_COMPILE) | grep -o '^[a-z0-9]\+')
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endif
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ARCH ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/powerpc/')
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endif
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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 $SOME_TEST" 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 $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES) $(TOOLS_INCLUDES)
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LDLIBS = -lrt -lpthread -lm
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TEST_GEN_FILES = cow
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TEST_GEN_FILES += compaction_test
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TEST_GEN_FILES += gup_longterm
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TEST_GEN_FILES += gup_test
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TEST_GEN_FILES += hmm-tests
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TEST_GEN_FILES += hugetlb-madvise
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TEST_GEN_FILES += hugetlb-read-hwpoison
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TEST_GEN_FILES += hugetlb-soft-offline
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TEST_GEN_FILES += hugepage-mmap
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TEST_GEN_FILES += hugepage-mremap
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TEST_GEN_FILES += hugepage-shm
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TEST_GEN_FILES += hugepage-vmemmap
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TEST_GEN_FILES += khugepaged
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TEST_GEN_FILES += madv_populate
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TEST_GEN_FILES += map_fixed_noreplace
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TEST_GEN_FILES += map_hugetlb
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TEST_GEN_FILES += map_populate
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ifneq (,$(filter $(ARCH),arm64 riscv riscv64 x86 x86_64))
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TEST_GEN_FILES += memfd_secret
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endif
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TEST_GEN_FILES += migration
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TEST_GEN_FILES += mkdirty
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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 += mrelease_test
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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 += mseal_test
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TEST_GEN_FILES += seal_elf
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TEST_GEN_FILES += on-fault-limit
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TEST_GEN_FILES += pagemap_ioctl
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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 += uffd-stress
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TEST_GEN_FILES += uffd-unit-tests
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TEST_GEN_FILES += split_huge_page_test
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TEST_GEN_FILES += ksm_tests
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TEST_GEN_FILES += ksm_functional_tests
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TEST_GEN_FILES += mdwe_test
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TEST_GEN_FILES += hugetlb_fault_after_madv
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TEST_GEN_FILES += hugetlb_madv_vs_map
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TEST_GEN_FILES += hugetlb_dio
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TEST_GEN_FILES += droppable
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ifneq ($(ARCH),arm64)
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TEST_GEN_FILES += soft-dirty
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endif
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ifeq ($(ARCH),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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VMTARGETS := protection_keys
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BINARIES_32 := $(VMTARGETS:%=%_32)
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BINARIES_64 := $(VMTARGETS:%=%_64)
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ifeq ($(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 $(ARCH),powerpc))
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TEST_GEN_FILES += protection_keys
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endif
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endif
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ifneq (,$(filter $(ARCH),arm64 ia64 mips64 parisc64 powerpc riscv64 s390x sparc64 x86_64 s390))
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TEST_GEN_FILES += va_high_addr_switch
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TEST_GEN_FILES += virtual_address_range
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TEST_GEN_FILES += write_to_hugetlbfs
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endif
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TEST_PROGS := run_vmtests.sh
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TEST_FILES := test_vmalloc.sh
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TEST_FILES += test_hmm.sh
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TEST_FILES += va_high_addr_switch.sh
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TEST_FILES += charge_reserved_hugetlb.sh
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TEST_FILES += hugetlb_reparenting_test.sh
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# required by charge_reserved_hugetlb.sh
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TEST_FILES += write_hugetlb_memory.sh
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include ../lib.mk
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$(TEST_GEN_PROGS): vm_util.c thp_settings.c
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$(TEST_GEN_FILES): vm_util.c thp_settings.c
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$(OUTPUT)/uffd-stress: uffd-common.c
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$(OUTPUT)/uffd-unit-tests: uffd-common.c
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ifeq ($(ARCH),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,$(VMTARGETS),$(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,$(VMTARGETS),$(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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# IOURING_EXTRA_LIBS may get set in local_config.mk, or it may be left empty.
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$(OUTPUT)/cow: LDLIBS += $(IOURING_EXTRA_LIBS)
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$(OUTPUT)/gup_longterm: LDLIBS += $(IOURING_EXTRA_LIBS)
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$(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap
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$(OUTPUT)/ksm_tests: LDLIBS += -lnuma
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$(OUTPUT)/migration: LDLIBS += -lnuma
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local_config.mk local_config.h: check_config.sh
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/bin/sh ./check_config.sh $(CC)
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EXTRA_CLEAN += local_config.mk local_config.h
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ifeq ($(IOURING_EXTRA_LIBS),)
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all: warn_missing_liburing
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warn_missing_liburing:
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@echo ; \
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echo "Warning: missing liburing support. Some tests will be skipped." ; \
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echo
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endif
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