add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/tools/testing/selftests/vm/Makefile
..
..
@@ -1,26 +1,77 @@
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 # SPDX-License-Identifier: GPL-2.0
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 # Makefile for vm selftests
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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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-ifndef OUTPUT
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-  OUTPUT := $(shell pwd)
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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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+
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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 $(EXTRA_CFLAGS)
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 LDLIBS = -lrt
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 TEST_GEN_FILES = compaction_test
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 TEST_GEN_FILES += gup_benchmark
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+TEST_GEN_FILES += hmm-tests
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 TEST_GEN_FILES += hugepage-mmap
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 TEST_GEN_FILES += hugepage-shm
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 TEST_GEN_FILES += map_hugetlb
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+TEST_GEN_FILES += map_fixed_noreplace
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 TEST_GEN_FILES += map_populate
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 TEST_GEN_FILES += mlock-random-test
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 TEST_GEN_FILES += mlock2-tests
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+TEST_GEN_FILES += mremap_dontunmap
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 TEST_GEN_FILES += on-fault-limit
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 TEST_GEN_FILES += thuge-gen
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 TEST_GEN_FILES += transhuge-stress
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 TEST_GEN_FILES += userfaultfd
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+TEST_GEN_FILES += khugepaged
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+
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+ifeq ($(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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+
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+VMTARGETS := protection_keys
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+BINARIES_32 := $(VMTARGETS:%=%_32)
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+BINARIES_64 := $(VMTARGETS:%=%_64)
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+
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+ifeq ($(CAN_BUILD_WITH_NOPIE),1)
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+CFLAGS += -no-pie
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+endif
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+
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+ifeq ($(CAN_BUILD_I386),1)
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+TEST_GEN_FILES += $(BINARIES_32)
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+endif
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+
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+ifeq ($(CAN_BUILD_X86_64),1)
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+TEST_GEN_FILES += $(BINARIES_64)
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+endif
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+else
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+
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+ifneq (,$(findstring $(MACHINE),ppc64))
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+TEST_GEN_FILES += protection_keys
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+endif
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+
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+endif
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+
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+ifneq (,$(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
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77
 
..
..
@@ -29,6 +80,57 @@
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 KSFT_KHDR_INSTALL := 1
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 include ../lib.mk
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+$(OUTPUT)/hmm-tests: LDLIBS += -lhugetlbfs -lpthread
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+
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+ifeq ($(MACHINE),x86_64)
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+BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32))
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+BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64))
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+
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+define gen-target-rule-32
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+$(1) $(1)_32: $(OUTPUT)/$(1)_32
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+.PHONY: $(1) $(1)_32
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+endef
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+
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+define gen-target-rule-64
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+$(1) $(1)_64: $(OUTPUT)/$(1)_64
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+.PHONY: $(1) $(1)_64
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+endef
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+
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+ifeq ($(CAN_BUILD_I386),1)
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+$(BINARIES_32): CFLAGS += -m32
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+$(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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+
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+ifeq ($(CAN_BUILD_X86_64),1)
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+$(BINARIES_64): CFLAGS += -m64
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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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+
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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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+
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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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+
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 $(OUTPUT)/userfaultfd: LDLIBS += -lpthread
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 $(OUTPUT)/mlock-random-test: LDLIBS += -lcap