diff options
53 files changed, 1805 insertions, 458 deletions
diff --git a/Documentation/kbuild/headers_install.rst b/Documentation/kbuild/headers_install.rst index 1ab7294e41ac..f6c6b74a609c 100644 --- a/Documentation/kbuild/headers_install.rst +++ b/Documentation/kbuild/headers_install.rst @@ -40,12 +40,5 @@ INSTALL_HDR_PATH indicates where to install the headers. It defaults to An 'include' directory is automatically created inside INSTALL_HDR_PATH and headers are installed in 'INSTALL_HDR_PATH/include'. -The command "make headers_install_all" exports headers for all architectures -simultaneously. (This is mostly of interest to distribution maintainers, -who create an architecture-independent tarball from the resulting include -directory.) You also can use HDR_ARCH_LIST to specify list of architectures. -Remember to provide the appropriate linux/asm directory via "mv" or "ln -s" -before building a C library with headers exported this way. - The kernel header export infrastructure is maintained by David Woodhouse <dwmw2@infradead.org>. diff --git a/Documentation/kbuild/kbuild.rst b/Documentation/kbuild/kbuild.rst index e774e760522d..b25548963d70 100644 --- a/Documentation/kbuild/kbuild.rst +++ b/Documentation/kbuild/kbuild.rst @@ -200,6 +200,15 @@ The output directory is often set using "O=..." on the commandline. The value can be overridden in which case the default value is ignored. +KBUILD_ABS_SRCTREE +-------------------------------------------------- +Kbuild uses a relative path to point to the tree when possible. For instance, +when building in the source tree, the source tree path is '.' + +Setting this flag requests Kbuild to use absolute path to the source tree. +There are some useful cases to do so, like when generating tag files with +absolute path entries etc. + KBUILD_SIGN_PIN --------------- This variable allows a passphrase or PIN to be passed to the sign-file diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst index 9274cdcc9bd2..093f2d79ab95 100644 --- a/Documentation/kbuild/makefiles.rst +++ b/Documentation/kbuild/makefiles.rst @@ -999,11 +999,7 @@ When kbuild executes, the following steps are followed (roughly): ------------------------------------ The archheaders: rule is used to generate header files that - may be installed into user space by "make header_install" or - "make headers_install_all". In order to support - "make headers_install_all", this target has to be able to run - on an unconfigured tree, or a tree configured for another - architecture. + may be installed into user space by "make header_install". It is run before "make archprepare" when run on the architecture itself. @@ -1140,6 +1136,22 @@ When kbuild executes, the following steps are followed (roughly): In this example, extra-y is used to list object files that shall be built, but shall not be linked as part of built-in.a. + header-test-y + + header-test-y specifies headers (*.h) in the current directory that + should be compile tested to ensure they are self-contained, + i.e. compilable as standalone units. If CONFIG_HEADER_TEST is enabled, + this builds them as part of extra-y. + + header-test-pattern-y + + This works as a weaker version of header-test-y, and accepts wildcard + patterns. The typical usage is: + + header-test-pattern-y += *.h + + This specifies all the files that matches to '*.h' in the current + directory, but the files in 'header-test-' are excluded. 6.7 Commands useful for building a boot image --------------------------------------------- diff --git a/Makefile b/Makefile index 3e4868a6498b..2c5d00ba537e 100644 --- a/Makefile +++ b/Makefile @@ -212,6 +212,13 @@ endif ifdef SUBDIRS $(warning ================= WARNING ================) $(warning 'SUBDIRS' will be removed after Linux 5.3) + $(warning ) + $(warning If you are building an individual subdirectory) + $(warning in the kernel tree, you can do like this:) + $(warning $$ make path/to/dir/you/want/to/build/) + $(warning (Do not forget the trailing slash)) + $(warning ) + $(warning If you are building an external module,) $(warning Please use 'M=' or 'KBUILD_EXTMOD' instead) $(warning ==========================================) KBUILD_EXTMOD ?= $(SUBDIRS) @@ -221,9 +228,12 @@ ifeq ("$(origin M)", "command line") KBUILD_EXTMOD := $(M) endif +export KBUILD_CHECKSRC KBUILD_EXTMOD + ifeq ($(abs_srctree),$(abs_objtree)) # building in the source tree srctree := . + building_out_of_srctree := else ifeq ($(abs_srctree)/,$(dir $(abs_objtree))) # building in a subdirectory of the source tree @@ -231,22 +241,17 @@ else else srctree := $(abs_srctree) endif - - # TODO: - # KBUILD_SRC is only used to distinguish in-tree/out-of-tree build. - # Replace it with $(srctree) or something. - KBUILD_SRC := $(abs_srctree) + building_out_of_srctree := 1 endif -export KBUILD_CHECKSRC KBUILD_EXTMOD KBUILD_SRC +ifneq ($(KBUILD_ABS_SRCTREE),) +srctree := $(abs_srctree) +endif objtree := . -src := $(srctree) -obj := $(objtree) - VPATH := $(srctree) -export srctree objtree VPATH +export building_out_of_srctree srctree objtree VPATH # To make sure we do not include .config for any of the *config targets # catch them early, and hand them over to scripts/kconfig/Makefile @@ -262,7 +267,7 @@ old_version_h := include/linux/version.h clean-targets := %clean mrproper cleandocs no-dot-config-targets := $(clean-targets) \ cscope gtags TAGS tags help% %docs check% coccicheck \ - $(version_h) headers_% archheaders archscripts \ + $(version_h) headers headers_% archheaders archscripts \ %asm-generic kernelversion %src-pkg no-sync-config-targets := $(no-dot-config-targets) install %install \ kernelrelease @@ -449,7 +454,7 @@ USERINCLUDE := \ LINUXINCLUDE := \ -I$(srctree)/arch/$(SRCARCH)/include \ -I$(objtree)/arch/$(SRCARCH)/include/generated \ - $(if $(filter .,$(srctree)),,-I$(srctree)/include) \ + $(if $(building_out_of_srctree),-I$(srctree)/include) \ -I$(objtree)/include \ $(USERINCLUDE) @@ -510,7 +515,7 @@ PHONY += outputmakefile # At the same time when output Makefile generated, generate .gitignore to # ignore whole output directory outputmakefile: -ifneq ($(srctree),.) +ifdef building_out_of_srctree $(Q)ln -fsn $(srctree) source $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree) $(Q)test -e .gitignore || \ @@ -527,7 +532,10 @@ endif ifneq ($(GCC_TOOLCHAIN),) CLANG_FLAGS += --gcc-toolchain=$(GCC_TOOLCHAIN) endif +ifeq ($(shell $(AS) --version 2>&1 | head -n 1 | grep clang),) CLANG_FLAGS += -no-integrated-as +endif +CLANG_FLAGS += -Werror=unknown-warning-option KBUILD_CFLAGS += $(CLANG_FLAGS) KBUILD_AFLAGS += $(CLANG_FLAGS) export CLANG_FLAGS @@ -608,6 +616,7 @@ ifeq ($(KBUILD_EXTMOD),) init-y := init/ drivers-y := drivers/ sound/ drivers-$(CONFIG_SAMPLES) += samples/ +drivers-$(CONFIG_KERNEL_HEADER_TEST) += include/ net-y := net/ libs-y := lib/ core-y := usr/ @@ -1053,9 +1062,6 @@ vmlinux: scripts/link-vmlinux.sh autoksyms_recursive $(vmlinux-deps) FORCE targets := vmlinux -# Some samples need headers_install. -samples: headers_install - # The actual objects are generated when descending, # make sure no implicit rule kicks in $(sort $(vmlinux-deps)): $(vmlinux-dirs) ; @@ -1096,12 +1102,12 @@ PHONY += prepare archprepare prepare1 prepare3 # and if so do: # 1) Check that make has not been executed in the kernel src $(srctree) prepare3: include/config/kernel.release -ifneq ($(srctree),.) +ifdef building_out_of_srctree @$(kecho) ' Using $(srctree) as source for kernel' $(Q)if [ -f $(srctree)/.config -o \ -d $(srctree)/include/config -o \ -d $(srctree)/arch/$(SRCARCH)/include/generated ]; then \ - echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ + echo >&2 " $(srctree) is not clean, please run 'make ARCH=$(ARCH) mrproper'"; \ echo >&2 " in the '$(srctree)' directory.";\ /bin/false; \ fi; @@ -1181,39 +1187,44 @@ headerdep: #Default location for installed headers export INSTALL_HDR_PATH = $(objtree)/usr -# If we do an all arch process set dst to include/arch-$(SRCARCH) -hdr-dst = $(if $(KBUILD_HEADERS), dst=include/arch-$(SRCARCH), dst=include) +quiet_cmd_headers_install = INSTALL $(INSTALL_HDR_PATH)/include + cmd_headers_install = \ + mkdir -p $(INSTALL_HDR_PATH); \ + rsync -mrl --include='*/' --include='*\.h' --exclude='*' \ + usr/include $(INSTALL_HDR_PATH) -PHONY += archheaders archscripts +PHONY += headers_install +headers_install: headers + $(call cmd,headers_install) -PHONY += __headers -__headers: $(version_h) scripts_basic uapi-asm-generic archheaders archscripts - $(Q)$(MAKE) $(build)=scripts build_unifdef +PHONY += archheaders archscripts -PHONY += headers_install_all -headers_install_all: - $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh install +hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj -PHONY += headers_install -headers_install: __headers +PHONY += headers +headers: $(version_h) scripts_unifdef uapi-asm-generic archheaders archscripts $(if $(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/Kbuild),, \ $(error Headers not exportable for the $(SRCARCH) architecture)) - $(Q)$(MAKE) $(hdr-inst)=include/uapi dst=include - $(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi $(hdr-dst) - -PHONY += headers_check_all -headers_check_all: headers_install_all - $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh check + $(Q)$(MAKE) $(hdr-inst)=include/uapi + $(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi PHONY += headers_check -headers_check: headers_install - $(Q)$(MAKE) $(hdr-inst)=include/uapi dst=include HDRCHECK=1 - $(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi $(hdr-dst) HDRCHECK=1 +headers_check: headers + $(Q)$(MAKE) $(hdr-inst)=include/uapi HDRCHECK=1 + $(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi HDRCHECK=1 + +ifdef CONFIG_HEADERS_INSTALL +prepare: headers +endif ifdef CONFIG_HEADERS_CHECK all: headers_check endif +PHONY += scripts_unifdef +scripts_unifdef: scripts_basic + $(Q)$(MAKE) $(build)=scripts scripts/unifdef + # --------------------------------------------------------------------------- # Kernel selftest @@ -1283,18 +1294,24 @@ all: modules # using awk while concatenating to the final file. PHONY += modules -modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin - $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order +modules: $(if $(KBUILD_BUILTIN),vmlinux) modules.order modules.builtin @$(kecho) ' Building modules, stage 2.'; $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost $(Q)$(CONFIG_SHELL) $(srctree)/scripts/modules-check.sh -modules.builtin: $(vmlinux-dirs:%=%/modules.builtin) - $(Q)$(AWK) '!x[$$0]++' $^ > $(objtree)/modules.builtin +modules.order: $(vmlinux-dirs) + $(Q)$(AWK) '!x[$$0]++' $(addsuffix /$@, $(vmlinux-dirs)) > $@ + +modbuiltin-dirs := $(addprefix _modbuiltin_, $(vmlinux-dirs)) -%/modules.builtin: include/config/auto.conf include/config/tristate.conf - $(Q)$(MAKE) $(modbuiltin)=$* +modules.builtin: $(modbuiltin-dirs) + $(Q)$(AWK) '!x[$$0]++' $(addsuffix /$@, $(vmlinux-dirs)) > $@ +PHONY += $(modbuiltin-dirs) +# tristate.conf is not included from this Makefile. Add it as a prerequisite +# here to make it self-healing in case somebody accidentally removes it. +$(modbuiltin-dirs): include/config/tristate.conf + $(Q)$(MAKE) $(modbuiltin)=$(patsubst _modbuiltin_%,%,$@) # Target to prepare building external modules PHONY += modules_prepare @@ -1360,7 +1377,7 @@ CLEAN_DIRS += $(MODVERDIR) include/ksym CLEAN_FILES += modules.builtin.modinfo # Directories & files removed with 'make mrproper' -MRPROPER_DIRS += include/config usr/include include/generated \ +MRPROPER_DIRS += include/config include/generated \ arch/$(SRCARCH)/include/generated .tmp_objdiff MRPROPER_FILES += .config .config.old .version \ Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ @@ -1551,7 +1568,7 @@ $(DOC_TARGETS): scripts_basic FORCE # --------------------------------------------------------------------------- PHONY += scripts_gdb -scripts_gdb: prepare +scripts_gdb: prepare0 $(Q)$(MAKE) $(build)=scripts/gdb $(Q)ln -fsn $(abspath $(srctree)/scripts/gdb/vmlinux-gdb.py) @@ -1698,7 +1715,7 @@ CHECKSTACK_ARCH := $(ARCH) endif checkstack: $(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \ - $(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH) + $(PERL) $(srctree)/scripts/checkstack.pl $(CHECKSTACK_ARCH) kernelrelease: @echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" @@ -1717,11 +1734,11 @@ endif tools/: FORCE $(Q)mkdir -p $(objtree)/tools - $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(src)/tools/ + $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ tools/%: FORCE $(Q)mkdir -p $(objtree)/tools - $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(src)/tools/ $* + $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ $* # Single targets # --------------------------------------------------------------------------- @@ -1755,8 +1772,6 @@ build-dir = $(patsubst %/,%,$(dir $(build-target))) PHONY += / /: ./ -# Make sure the latest headers are built for Documentation -Documentation/ samples/: headers_install %/: prepare FORCE $(Q)$(MAKE) KBUILD_MODULES=1 $(build)=$(build-dir) diff --git a/arch/arc/Makefile b/arch/arc/Makefile index 03a0b19c92cd..ee6d1184c2b1 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -19,7 +19,7 @@ ifdef CONFIG_ARC_CURR_IN_REG # any kernel headers, and missing the r25 global register # Can't do unconditionally because of recursive include issues # due to <linux/thread_info.h> -LINUXINCLUDE += -include ${src}/arch/arc/include/asm/current.h +LINUXINCLUDE += -include $(srctree)/arch/arc/include/asm/current.h endif cflags-y += -fsection-anchors diff --git a/arch/arc/configs/tb10x_defconfig b/arch/arc/configs/tb10x_defconfig index 5b5119d2b5d5..dc739bd093e3 100644 --- a/arch/arc/configs/tb10x_defconfig +++ b/arch/arc/configs/tb10x_defconfig @@ -94,6 +94,7 @@ CONFIG_CONFIGFS_FS=y CONFIG_DEBUG_INFO=y CONFIG_STRIP_ASM_SYMS=y CONFIG_DEBUG_FS=y +CONFIG_HEADERS_INSTALL=y CONFIG_HEADERS_CHECK=y CONFIG_DEBUG_SECTION_MISMATCH=y CONFIG_MAGIC_SYSRQ=y diff --git a/arch/nds32/configs/defconfig b/arch/nds32/configs/defconfig index 65ce9259081b..40313a635075 100644 --- a/arch/nds32/configs/defconfig +++ b/arch/nds32/configs/defconfig @@ -92,6 +92,7 @@ CONFIG_DEBUG_INFO=y CONFIG_DEBUG_INFO_DWARF4=y CONFIG_GDB_SCRIPTS=y CONFIG_READABLE_ASM=y +CONFIG_HEADERS_INSTALL=y CONFIG_HEADERS_CHECK=y CONFIG_DEBUG_SECTION_MISMATCH=y CONFIG_MAGIC_SYSRQ=y diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index 58d46665cad9..8acb8fa1f8d6 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -120,8 +120,8 @@ PALO := $(shell if (which palo 2>&1); then : ; \ elif [ -x /sbin/palo ]; then echo /sbin/palo; \ fi) -PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \ - else echo $(obj)/palo.conf; \ +PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \ + else echo $(objtree)/palo.conf; \ fi) palo lifimage: vmlinuz @@ -131,8 +131,8 @@ palo lifimage: vmlinuz false; \ fi @if test ! -f "$(PALOCONF)"; then \ - cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \ - echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \ + cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \ + echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \ echo 'You should check it and re-run "make palo".'; \ echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \ false; \ @@ -162,10 +162,10 @@ vmlinuz: vmlinux endif install: - $(CONFIG_SHELL) $(src)/arch/parisc/install.sh \ + $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \ $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)" zinstall: - $(CONFIG_SHELL) $(src)/arch/parisc/install.sh \ + $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \ $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)" CLEAN_FILES += lifimage diff --git a/arch/parisc/configs/a500_defconfig b/arch/parisc/configs/a500_defconfig index a8859496b0b9..3335734bfadd 100644 --- a/arch/parisc/configs/a500_defconfig +++ b/arch/parisc/configs/a500_defconfig @@ -166,6 +166,7 @@ CONFIG_NLS_ISO8859_1=m CONFIG_NLS_ISO8859_15=m CONFIG_NLS_UTF8=m CONFIG_DEBUG_FS=y +CONFIG_HEADERS_INSTALL=y CONFIG_HEADERS_CHECK=y CONFIG_MAGIC_SYSRQ=y # CONFIG_DEBUG_BUGVERBOSE is not set diff --git a/arch/parisc/configs/b180_defconfig b/arch/parisc/configs/b180_defconfig index 0cae9664bf67..07fde5bd6974 100644 --- a/arch/parisc/configs/b180_defconfig +++ b/arch/parisc/configs/b180_defconfig @@ -90,6 +90,7 @@ CONFIG_NLS_ASCII=m CONFIG_NLS_ISO8859_1=m CONFIG_NLS_ISO8859_15=m CONFIG_NLS_UTF8=m +CONFIG_HEADERS_INSTALL=y CONFIG_HEADERS_CHECK=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y diff --git a/arch/parisc/configs/c3000_defconfig b/arch/parisc/configs/c3000_defconfig index 6c29b841735c..64d45a8b6ca0 100644 --- a/arch/parisc/configs/c3000_defconfig +++ b/arch/parisc/configs/c3000_defconfig @@ -139,6 +139,7 @@ CONFIG_NLS_ISO8859_1=m CONFIG_NLS_ISO8859_15=m CONFIG_NLS_UTF8=m CONFIG_DEBUG_FS=y +CONFIG_HEADERS_INSTALL=y CONFIG_HEADERS_CHECK=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_MUTEXES=y diff --git a/arch/parisc/configs/default_defconfig b/arch/parisc/configs/default_defconfig index 6a91cc2623e8..5b877ca34ebf 100644 --- a/arch/parisc/configs/default_defconfig +++ b/arch/parisc/configs/default_defconfig @@ -183,6 +183,7 @@ CONFIG_NLS_KOI8_R=m CONFIG_NLS_KOI8_U=m CONFIG_NLS_UTF8=y CONFIG_DEBUG_FS=y +CONFIG_HEADERS_INSTALL=y CONFIG_HEADERS_CHECK=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig index aa51b9b66fa2..1c074fb95df2 100644 --- a/arch/powerpc/configs/ppc6xx_defconfig +++ b/arch/powerpc/configs/ppc6xx_defconfig @@ -1123,6 +1123,7 @@ CONFIG_NLS_KOI8_R=m CONFIG_NLS_KOI8_U=m CONFIG_DEBUG_INFO=y CONFIG_UNUSED_SYMBOLS=y +CONFIG_HEADERS_INSTALL=y CONFIG_HEADERS_CHECK=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig index a6dc01a22048..e26d4413d34c 100644 --- a/arch/s390/configs/debug_defconfig +++ b/arch/s390/configs/debug_defconfig @@ -588,6 +588,7 @@ CONFIG_GDB_SCRIPTS=y CONFIG_FRAME_WARN=1024 CONFIG_READABLE_ASM=y CONFIG_UNUSED_SYMBOLS=y +CONFIG_HEADERS_INSTALL=y CONFIG_HEADERS_CHECK=y CONFIG_DEBUG_SECTION_MISMATCH=y CONFIG_MAGIC_SYSRQ=y diff --git a/arch/um/Makefile b/arch/um/Makefile index 273130cf91d1..d2daa206872d 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -73,7 +73,7 @@ KBUILD_AFLAGS += $(ARCH_INCLUDE) USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -I%,,$(KBUILD_CFLAGS))) \ $(ARCH_INCLUDE) $(MODE_INCLUDE) $(filter -I%,$(CFLAGS)) \ -D_FILE_OFFSET_BITS=64 -idirafter $(srctree)/include \ - -idirafter $(obj)/include -D__KERNEL__ -D__UM_HOST__ + -idirafter $(objtree)/include -D__KERNEL__ -D__UM_HOST__ #This will adjust *FLAGS accordingly to the platform. include $(ARCH_DIR)/Makefile-os-$(OS) diff --git a/drivers/gpu/drm/i915/.gitignore b/drivers/gpu/drm/i915/.gitignore deleted file mode 100644 index cff45d81f42f..000000000000 --- a/drivers/gpu/drm/i915/.gitignore +++ /dev/null @@ -1 +0,0 @@ -header_test_*.c diff --git a/drivers/gpu/drm/i915/Makefile.header-test b/drivers/gpu/drm/i915/Makefile.header-test index c1c391816fa7..639b596a06a9 100644 --- a/drivers/gpu/drm/i915/Makefile.header-test +++ b/drivers/gpu/drm/i915/Makefile.header-test @@ -2,7 +2,7 @@ # Copyright © 2019 Intel Corporation # Test the headers are compilable as standalone units -header_test := \ +header-test-$(CONFIG_DRM_I915_WERROR) := \ i915_active_types.h \ i915_gem_context_types.h \ i915_priolist_types.h \ @@ -35,13 +35,3 @@ header_test := \ intel_sprite.h \ intel_tv.h \ intel_workarounds_types.h - -quiet_cmd_header_test = HDRTEST $@ - cmd_header_test = echo "\#include \"$(<F)\"" > $@ - -header_test_%.c: %.h - $(call cmd,header_test) - -i915-$(CONFIG_DRM_I915_WERROR) += $(foreach h,$(header_test),$(patsubst %.h,header_test_%.o,$(h))) - -clean-files += $(foreach h,$(header_test),$(patsubst %.h,header_test_%.c,$(h))) diff --git a/include/Kbuild b/include/Kbuild new file mode 100644 index 000000000000..7e9f1acb9dd5 --- /dev/null +++ b/include/Kbuild @@ -0,0 +1,1270 @@ +# SPDX-License-Identifier: GPL-2.0-only + +# Add header-test-$(CONFIG_...) guard to headers that are only compiled +# for particular architectures. +# +# Headers listed in header-test- are excluded from the test coverage. +# Many headers are excluded for now because they fail to build. Please +# consider to fix headers first before adding new ones to the blacklist. +# +# Sorted alphabetically. +header-test- += acpi/acbuffer.h +header-test- += acpi/acpi.h +header-test- += acpi/acpi_bus.h +header-test- += acpi/acpi_drivers.h +header-test- += acpi/acpi_io.h +header-test- += acpi/acpi_lpat.h +header-test- += acpi/acpiosxf.h +header-test- += acpi/acpixf.h +header-test- += acpi/acrestyp.h +header-test- += acpi/actbl.h +header-test- += acpi/actbl1.h +header-test- += acpi/actbl2.h +header-test- += acpi/actbl3.h +header-test- += acpi/actypes.h +header-test- += acpi/battery.h +header-test- += acpi/cppc_acpi.h +header-test- += acpi/nfit.h +header-test- += acpi/platform/acenv.h +header-test- += acpi/platform/acenvex.h +header-test- += acpi/platform/acintel.h +header-test- += acpi/platform/aclinux.h +header-test- += acpi/platform/aclinuxex.h +header-test- += acpi/processor.h +header-test- += clocksource/hyperv_timer.h +header-test- += clocksource/timer-sp804.h +header-test- += crypto/cast_common.h +header-test- += crypto/internal/cryptouser.h +header-test- += crypto/pkcs7.h +header-test- += crypto/poly1305.h +header-test- += crypto/sha3.h +header-test- += drm/ati_pcigart.h +header-test- += drm/bridge/dw_hdmi.h +header-test- += drm/bridge/dw_mipi_dsi.h +header-test- += drm/drm_audio_component.h +header-test- += drm/drm_auth.h +header-test- += drm/drm_debugfs.h +header-test- += drm/drm_debugfs_crc.h +header-test- += drm/drm_displayid.h +header-test- += drm/drm_encoder_slave.h +header-test- += drm/drm_fb_cma_helper.h +header-test- += drm/drm_fb_helper.h +header-test- += drm/drm_fixed.h +header-test- += drm/drm_format_helper.h +header-test- += drm/drm_lease.h +header-test- += drm/drm_legacy.h +header-test- += drm/drm_panel.h +header-test- += drm/drm_plane_helper.h +header-test- += drm/drm_rect.h +header-test- += drm/i915_component.h +header-test- += drm/intel-gtt.h +header-test- += drm/tinydrm/tinydrm-helpers.h +header-test- += drm/ttm/ttm_debug.h +header-test- += keys/asymmetric-parser.h +header-test- += keys/asymmetric-subtype.h +header-test- += keys/asymmetric-type.h +header-test- += keys/big_key-type.h +header-test- += keys/request_key_auth-type.h +header-test- += keys/trusted.h +header-test- += kvm/arm_arch_timer.h +header-test- += kvm/arm_pmu.h +header-test-$(CONFIG_ARM) += kvm/arm_psci.h +header-test-$(CONFIG_ARM64) += kvm/arm_psci.h +header-test- += kvm/arm_vgic.h +header-test- += linux/8250_pci.h +header-test- += linux/a.out.h +header-test- += linux/adxl.h +header-test- += linux/agpgart.h +header-test- += linux/alcor_pci.h +header-test- += linux/amba/clcd.h +header-test- += linux/amba/pl080.h +header-test- += linux/amd-iommu.h +header-test-$(CONFIG_ARM) += linux/arm-cci.h +header-test-$(CONFIG_ARM64) += linux/arm-cci.h +header-test- += linux/arm_sdei.h +header-test- += linux/asn1_decoder.h +header-test- += linux/ata_platform.h +header-test- += linux/ath9k_platform.h +header-test- += linux/atm_tcp.h +header-test- += linux/atomic-fallback.h +header-test- += linux/avf/virtchnl.h +header-test- += linux/bcm47xx_sprom.h +header-test- += linux/bcma/bcma_driver_gmac_cmn.h +header-test- += linux/bcma/bcma_driver_mips.h +header-test- += linux/bcma/bcma_driver_pci.h +header-test- += linux/bcma/bcma_driver_pcie2.h +header-test- += linux/bit_spinlock.h +header-test- += linux/blk-mq-rdma.h +header-test- += linux/blk-mq.h +header-test- += linux/blktrace_api.h +header-test- += linux/blockgroup_lock.h +header-test- += linux/bma150.h +header-test- += linux/bpf_lirc.h +header-test- += linux/bpf_types.h +header-test- += linux/bsg-lib.h +header-test- += linux/bsg.h +header-test- += linux/btf.h +header-test- += linux/btree-128.h +header-test- += linux/btree-type.h +header-test-$(CONFIG_CPU_BIG_ENDIAN) += linux/byteorder/big_endian.h +header-test- += linux/byteorder/generic.h +header-test-$(CONFIG_CPU_LITTLE_ENDIAN) += linux/byteorder/little_endian.h +header-test- += linux/c2port.h +header-test- += linux/can/dev/peak_canfd.h +header-test- += linux/can/platform/cc770.h +header-test- += linux/can/platform/sja1000.h +header-test- += linux/ceph/ceph_features.h +header-test- += linux/ceph/ceph_frag.h +header-test- += linux/ceph/ceph_fs.h +header-test- += linux/ceph/debugfs.h +header-test- += linux/ceph/msgr.h +header-test- += linux/ceph/rados.h +header-test- += linux/cgroup_subsys.h +header-test- += linux/clk/sunxi-ng.h +header-test- += linux/clk/ti.h +header-test- += linux/cn_proc.h +header-test- += linux/coda_psdev.h +header-test- += linux/compaction.h +header-test- += linux/console_struct.h +header-test- += linux/count_zeros.h +header-test- += linux/cs5535.h +header-test- += linux/cuda.h +header-test- += linux/cyclades.h +header-test- += linux/dcookies.h +header-test- += linux/delayacct.h +header-test- += linux/delayed_call.h +header-test- += linux/device-mapper.h +header-test- += linux/devpts_fs.h +header-test- += linux/dio.h +header-test- += linux/dirent.h +header-test- += linux/dlm_plock.h +header-test- += linux/dm-dirty-log.h +header-test- += linux/dm-region-hash.h +header-test- += linux/dma-debug.h +header-test- += linux/dma/mmp-pdma.h +header-test- += linux/dma/sprd-dma.h +header-test- += linux/dns_resolver.h +header-test- += linux/drbd_genl.h +header-test- += linux/drbd_genl_api.h +header-test- += linux/dw_apb_timer.h +header-test- += linux/dynamic_debug.h +header-test- += linux/dynamic_queue_limits.h +header-test- += linux/ecryptfs.h +header-test- += linux/edma.h +header-test- += linux/eeprom_93cx6.h +header-test- += linux/efs_vh.h +header-test- += linux/elevator.h +header-test- += linux/elfcore-compat.h +header-test- += linux/error-injection.h +header-test- += linux/errseq.h +header-test- += linux/eventpoll.h +header-test- += linux/ext2_fs.h +header-test- += linux/f75375s.h +header-test- += linux/falloc.h +header-test- += linux/fault-inject.h +header-test- += linux/fbcon.h +header-test- += linux/firmware/intel/stratix10-svc-client.h +header-test- += linux/firmware/meson/meson_sm.h +header-test- += linux/firmware/trusted_foundations.h +header-test- += linux/firmware/xlnx-zynqmp.h +header-test- += linux/fixp-arith.h +header-test- += linux/flat.h +header-test- += linux/fs_types.h +header-test- += linux/fs_uart_pd.h +header-test- += linux/fsi-occ.h +header-test- += linux/fsi-sbefifo.h +header-test- += linux/fsl/bestcomm/ata.h +header-test- += linux/fsl/bestcomm/bestcomm.h +header-test- += linux/fsl/bestcomm/bestcomm_priv.h +header-test- += linux/fsl/bestcomm/fec.h +header-test- += linux/fsl/bestcomm/gen_bd.h +header-test- += linux/fsl/bestcomm/sram.h +header-test- += linux/fsl_hypervisor.h +header-test- += linux/fsldma.h +header-test- += linux/ftrace_irq.h +header-test- += linux/gameport.h +header-test- += linux/genl_magic_func.h +header-test- += linux/genl_magic_struct.h +header-test- += linux/gpio/aspeed.h +header-test- += linux/gpio/gpio-reg.h +header-test- += linux/hid-debug.h +header-test- += linux/hiddev.h +header-test- += linux/hippidevice.h +header-test- += linux/hmm.h +header-test- += linux/hp_sdc.h +header-test- += linux/huge_mm.h +header-test- += linux/hugetlb_cgroup.h +header-test- += linux/hugetlb_inline.h +header-test- += linux/hwmon-vid.h +header-test- += linux/hyperv.h +header-test- += linux/i2c-algo-pca.h +header-test- += linux/i2c-algo-pcf.h +header-test- += linux/i3c/ccc.h +header-test- += linux/i3c/device.h +header-test- += linux/i3c/master.h +header-test- += linux/i8042.h +header-test- += linux/ide.h +header-test- += linux/idle_inject.h +header-test- += linux/if_frad.h +header-test- += linux/if_rmnet.h +header-test- += linux/if_tap.h +header-test- += linux/iio/accel/kxcjk_1013.h +header-test- += linux/iio/adc/ad_sigma_delta.h +header-test- += linux/iio/buffer-dma.h +header-test- += linux/iio/buffer_impl.h +header-test- += linux/iio/common/st_sensors.h +header-test- += linux/iio/common/st_sensors_i2c.h +header-test- += linux/iio/common/st_sensors_spi.h +header-test- += linux/iio/dac/ad5421.h +header-test- += linux/iio/dac/ad5504.h +header-test- += linux/iio/dac/ad5791.h +header-test- += linux/iio/dac/max517.h +header-test- += linux/iio/dac/mcp4725.h +header-test- += linux/iio/frequency/ad9523.h +header-test- += linux/iio/frequency/adf4350.h +header-test- += linux/iio/hw-consumer.h +header-test- += linux/iio/imu/adis.h +header-test- += linux/iio/sysfs.h +header-test- += linux/iio/timer/stm32-timer-trigger.h +header-test- += linux/iio/trigger.h +header-test- += linux/iio/triggered_event.h +header-test- += linux/imx-media.h +header-test- += linux/inet_diag.h +header-test- += linux/init_ohci1394_dma.h +header-test- += linux/initrd.h +header-test- += linux/input/adp5589.h +header-test- += linux/input/bu21013.h +header-test- += linux/input/cma3000.h +header-test- += linux/input/kxtj9.h +header-test- += linux/input/lm8333.h +header-test- += linux/input/sparse-keymap.h +header-test- += linux/input/touchscreen.h +header-test- += linux/input/tps6507x-ts.h +header-test-$(CONFIG_X86) += linux/intel-iommu.h +header-test- += linux/intel-ish-client-if.h +header-test- += linux/intel-pti.h +header-test- += linux/intel-svm.h +header-test- += linux/interconnect-provider.h +header-test- += linux/ioc3.h +header-test- += linux/ipack.h +header-test- += linux/irq_cpustat.h +header-test- += linux/irq_poll.h +header-test- += linux/irqchip/arm-gic-v3.h +header-test- += linux/irqchip/arm-gic-v4.h +header-test- += linux/irqchip/irq-madera.h +header-test- += linux/irqchip/irq-sa11x0.h +header-test- += linux/irqchip/mxs.h +header-test- += linux/irqchip/versatile-fpga.h +header-test- += linux/irqdesc.h +header-test- += linux/irqflags.h +header-test- += linux/iscsi_boot_sysfs.h +header-test- += linux/isdn/capiutil.h +header-test- += linux/isdn/hdlc.h +header-test- += linux/isdn_ppp.h +header-test- += linux/jbd2.h +header-test- += linux/jump_label.h +header-test- += linux/jump_label_ratelimit.h +header-test- += linux/jz4740-adc.h +header-test- += linux/kasan.h +header-test- += linux/kcore.h +header-test- += linux/kdev_t.h +header-test- += linux/kernelcapi.h +header-test- += linux/khugepaged.h +header-test- += linux/kobj_map.h +header-test- += linux/kobject_ns.h +header-test- += linux/kvm_host.h +header-test- += linux/kvm_irqfd.h +header-test- += linux/kvm_para.h +header-test- += linux/lantiq.h +header-test- += linux/lapb.h +header-test- += linux/latencytop.h +header-test- += linux/led-lm3530.h +header-test- += linux/leds-bd2802.h +header-test- += linux/leds-lp3944.h +header-test- += linux/leds-lp3952.h +header-test- += linux/leds_pwm.h +header-test- += linux/libata.h +header-test- += linux/license.h +header-test- += linux/lightnvm.h +header-test- += linux/lis3lv02d.h +header-test- += linux/list_bl.h +header-test- += linux/list_lru.h +header-test- += linux/list_nulls.h +header-test- += linux/lockd/share.h +header-test- += linux/lzo.h +header-test- += linux/mailbox/zynqmp-ipi-message.h +header-test- += linux/maple.h +header-test- += linux/mbcache.h +header-test- += linux/mbus.h +header-test- += linux/mc146818rtc.h +header-test- += linux/mc6821.h +header-test- += linux/mdev.h +header-test- += linux/mem_encrypt.h +header-test- += linux/memfd.h +header-test- += linux/mfd/88pm80x.h +header-test- += linux/mfd/88pm860x.h +header-test- += linux/mfd/abx500/ab8500-bm.h +header-test- += linux/mfd/abx500/ab8500-gpadc.h +header-test- += linux/mfd/adp5520.h +header-test- += linux/mfd/arizona/pdata.h +header-test- += linux/mfd/as3711.h +header-test- += linux/mfd/as3722.h +header-test- += linux/mfd/cros_ec_commands.h +header-test- += linux/mfd/da903x.h +header-test- += linux/mfd/da9055/pdata.h +header-test- += linux/mfd/da9063/pdata.h +header-test- += linux/mfd/db8500-prcmu.h +header-test- += linux/mfd/dbx500-prcmu.h +header-test- += linux/mfd/dln2.h +header-test- += linux/mfd/dm355evm_msp.h +header-test- += linux/mfd/ds1wm.h +header-test- += linux/mfd/ezx-pcap.h +header-test- += linux/mfd/intel_msic.h +header-test- += linux/mfd/janz.h +header-test- += linux/mfd/kempld.h +header-test- += linux/mfd/lm3533.h +header-test- += linux/mfd/lp8788-isink.h +header-test- += linux/mfd/lpc_ich.h +header-test- += linux/mfd/max77693.h +header-test- += linux/mfd/max8998-private.h +header-test- += linux/mfd/menelaus.h +header-test- += linux/mfd/mt6397/core.h +header-test- += linux/mfd/palmas.h +header-test- += linux/mfd/pcf50633/backlight.h +header-test- += linux/mfd/rc5t583.h +header-test- += linux/mfd/retu.h +header-test- += linux/mfd/samsung/core.h +header-test- += linux/mfd/si476x-platform.h +header-test- += linux/mfd/si476x-reports.h +header-test- += linux/mfd/sky81452.h +header-test- += linux/mfd/smsc.h +header-test- += linux/mfd/sta2x11-mfd.h +header-test- += linux/mfd/stmfx.h +header-test- += linux/mfd/tc3589x.h +header-test- += linux/mfd/tc6387xb.h +header-test- += linux/mfd/tc6393xb.h +header-test- += linux/mfd/tps65090.h +header-test- += linux/mfd/tps6586x.h +header-test- += linux/mfd/tps65910.h +header-test- += linux/mfd/tps80031.h +header-test- += linux/mfd/ucb1x00.h +header-test- += linux/mfd/viperboard.h +header-test- += linux/mfd/wm831x/core.h +header-test- += linux/mfd/wm831x/otp.h +header-test- += linux/mfd/wm831x/pdata.h +header-test- += linux/mfd/wm8994/core.h +header-test- += linux/mfd/wm8994/pdata.h +header-test- += linux/mlx4/doorbell.h +header-test- += linux/mlx4/srq.h +header-test- += linux/mlx5/doorbell.h +header-test- += linux/mlx5/eq.h +header-test- += linux/mlx5/fs_helpers.h +header-test- += linux/mlx5/mlx5_ifc.h +header-test- += linux/mlx5/mlx5_ifc_fpga.h +header-test- += linux/mm-arch-hooks.h +header-test- += linux/mm_inline.h +header-test- += linux/mmu_context.h +header-test- += linux/mpage.h +header-test- += linux/mtd/bbm.h +header-test- += linux/mtd/cfi.h +header-test- += linux/mtd/doc2000.h +header-test- += linux/mtd/flashchip.h +header-test- += linux/mtd/ftl.h +header-test- += linux/mtd/gen_probe.h +header-test- += linux/mtd/jedec.h +header-test- += linux/mtd/nand_bch.h +header-test- += linux/mtd/nand_ecc.h +header-test- += linux/mtd/ndfc.h +header-test- += linux/mtd/onenand.h +header-test- += linux/mtd/pismo.h +header-test- += linux/mtd/plat-ram.h +header-test- += linux/mtd/spi-nor.h +header-test- += linux/mv643xx.h +header-test- += linux/mv643xx_eth.h +header-test- += linux/mvebu-pmsu.h +header-test- += linux/mxm-wmi.h +header-test- += linux/n_r3964.h +header-test- += linux/ndctl.h +header-test- += linux/netfilter/ipset/ip_set.h +header-test- += linux/netfilter/ipset/ip_set_bitmap.h +header-test- += linux/netfilter/ipset/ip_set_comment.h +header-test- += linux/netfilter/ipset/ip_set_counter.h +header-test- += linux/netfilter/ipset/ip_set_getport.h +header-test- += linux/netfilter/ipset/ip_set_hash.h +header-test- += linux/netfilter/ipset/ip_set_list.h +header-test- += linux/netfilter/ipset/ip_set_skbinfo.h +header-test- += linux/netfilter/ipset/ip_set_timeout.h +header-test- += linux/netfilter/nf_conntrack_amanda.h +header-test- += linux/netfilter/nf_conntrack_ftp.h +header-test- += linux/netfilter/nf_conntrack_h323.h +header-test- += linux/netfilter/nf_conntrack_h323_asn1.h +header-test- += linux/netfilter/nf_conntrack_irc.h +header-test- += linux/netfilter/nf_conntrack_pptp.h +header-test- += linux/netfilter/nf_conntrack_proto_gre.h +header-test- += linux/netfilter/nf_conntrack_sip.h +header-test- += linux/netfilter/nf_conntrack_snmp.h +header-test- += linux/netfilter/nf_conntrack_tftp.h +header-test- += linux/netfilter/x_tables.h +header-test- += linux/netfilter_arp/arp_tables.h +header-test- += linux/netfilter_bridge/ebtables.h +header-test- += linux/netfilter_ipv4/ip4_tables.h +header-test- += linux/netfilter_ipv4/ip_tables.h +header-test- += linux/netfilter_ipv6/ip6_tables.h +header-test- += linux/nfs.h +header-test- += linux/nfs_fs_i.h +header-test- += linux/nfs_fs_sb.h +header-test- += linux/nfs_page.h +header-test- += linux/nfs_xdr.h +header-test- += linux/nfsacl.h +header-test- += linux/nl802154.h +header-test- += linux/ns_common.h +header-test- += linux/nsc_gpio.h +header-test- += linux/ntb_transport.h +header-test- += linux/nubus.h +header-test- += linux/nvme-fc-driver.h +header-test- += linux/nvme-fc.h +header-test- += linux/nvme-rdma.h +header-test- += linux/nvram.h +header-test- += linux/objagg.h +header-test- += linux/of_clk.h +header-test- += linux/of_net.h +header-test- += linux/of_pdt.h +header-test- += linux/olpc-ec.h +header-test- += linux/omap-dma.h +header-test- += linux/omap-dmaengine.h +header-test- += linux/omap-gpmc.h +header-test- += linux/omap-iommu.h +header-test- += linux/omap-mailbox.h +header-test- += linux/once.h +header-test- += linux/osq_lock.h +header-test- += linux/overflow.h +header-test- += linux/page-flags-layout.h +header-test- += linux/page-isolation.h +header-test- += linux/page_ext.h +header-test- += linux/page_owner.h +header-test- += linux/parport_pc.h +header-test- += linux/parser.h +header-test- += linux/pci-acpi.h +header-test- += linux/pci-dma-compat.h +header-test- += linux/pci_hotplug.h +header-test- += linux/pda_power.h +header-test- += linux/perf/arm_pmu.h +header-test- += linux/perf_regs.h +header-test- += linux/phy/omap_control_phy.h +header-test- += linux/phy/tegra/xusb.h +header-test- += linux/phy/ulpi_phy.h +header-test- += linux/phy_fixed.h +header-test- += linux/pinctrl/pinconf-generic.h +header-test- += linux/pinctrl/pinconf.h +header-test- += linux/pinctrl/pinctrl.h +header-test- += linux/pipe_fs_i.h +header-test- += linux/pktcdvd.h +header-test- += linux/pl320-ipc.h +header-test- += linux/pl353-smc.h +header-test- += linux/platform_data/ad5449.h +header-test- += linux/platform_data/ad5755.h +header-test- += linux/platform_data/ad7266.h +header-test- += linux/platform_data/ad7291.h +header-test- += linux/platform_data/ad7298.h +header-test- += linux/platform_data/ad7303.h +header-test- += linux/platform_data/ad7791.h +header-test- += linux/platform_data/ad7793.h +header-test- += linux/platform_data/ad7887.h +header-test- += linux/platform_data/adau17x1.h +header-test- += linux/platform_data/adp8870.h +header-test- += linux/platform_data/ads1015.h +header-test- += linux/platform_data/ads7828.h +header-test- += linux/platform_data/apds990x.h +header-test- += linux/platform_data/arm-ux500-pm.h +header-test- += linux/platform_data/asoc-s3c.h +header-test- += linux/platform_data/at91_adc.h +header-test- += linux/platform_data/ata-pxa.h +header-test- += linux/platform_data/atmel.h +header-test- += linux/platform_data/bh1770glc.h +header-test- += linux/platform_data/brcmfmac.h +header-test- += linux/platform_data/clk-u300.h +header-test- += linux/platform_data/cyttsp4.h +header-test- += linux/platform_data/dma-coh901318.h +header-test- += linux/platform_data/dma-imx-sdma.h +header-test- += linux/platform_data/dma-mcf-edma.h +header-test- += linux/platform_data/dma-s3c24xx.h +header-test- += linux/platform_data/dmtimer-omap.h +header-test- += linux/platform_data/dsa.h +header-test- += linux/platform_data/edma.h +header-test- += linux/platform_data/elm.h +header-test- += linux/platform_data/emif_plat.h +header-test- += linux/platform_data/fsa9480.h +header-test- += linux/platform_data/g762.h +header-test- += linux/platform_data/gpio-ath79.h +header-test- += linux/platform_data/gpio-davinci.h +header-test- += linux/platform_data/gpio-dwapb.h +header-test- += linux/platform_data/gpio-htc-egpio.h +header-test- += linux/platform_data/gpmc-omap.h +header-test- += linux/platform_data/hsmmc-omap.h +header-test- += linux/platform_data/hwmon-s3c.h +header-test- += linux/platform_data/i2c-davinci.h +header-test- += linux/platform_data/i2c-imx.h +header-test- += linux/platform_data/i2c-mux-reg.h +header-test- += linux/platform_data/i2c-ocores.h +header-test- += linux/platform_data/i2c-xiic.h +header-test- += linux/platform_data/intel-spi.h +header-test- += linux/platform_data/invensense_mpu6050.h +header-test- += linux/platform_data/irda-pxaficp.h +header-test- += linux/platform_data/irda-sa11x0.h +header-test- += linux/platform_data/itco_wdt.h +header-test- += linux/platform_data/jz4740/jz4740_nand.h +header-test- += linux/platform_data/keyboard-pxa930_rotary.h +header-test- += linux/platform_data/keypad-omap.h +header-test- += linux/platform_data/leds-lp55xx.h +header-test- += linux/platform_data/leds-omap.h +header-test- += linux/platform_data/lp855x.h +header-test- += linux/platform_data/lp8727.h +header-test- += linux/platform_data/max197.h +header-test- += linux/platform_data/max3421-hcd.h +header-test- += linux/platform_data/max732x.h +header-test- += linux/platform_data/mcs.h +header-test- += linux/platform_data/mdio-bcm-unimac.h +header-test- += linux/platform_data/mdio-gpio.h +header-test- += linux/platform_data/media/si4713.h +header-test- += linux/platform_data/mlxreg.h +header-test- += linux/platform_data/mmc-omap.h +header-test- += linux/platform_data/mmc-sdhci-s3c.h +header-test- += linux/platform_data/mmp_audio.h +header-test- += linux/platform_data/mtd-orion_nand.h +header-test- += linux/platform_data/mv88e6xxx.h +header-test- += linux/platform_data/net-cw1200.h +header-test- += linux/platform_data/omap-twl4030.h +header-test- += linux/platform_data/omapdss.h +header-test- += linux/platform_data/pcf857x.h +header-test- += linux/platform_data/pixcir_i2c_ts.h +header-test- += linux/platform_data/pwm_omap_dmtimer.h +header-test- += linux/platform_data/pxa2xx_udc.h +header-test- += linux/platform_data/pxa_sdhci.h +header-test- += linux/platform_data/remoteproc-omap.h +header-test- += linux/platform_data/sa11x0-serial.h +header-test- += linux/platform_data/sc18is602.h +header-test- += linux/platform_data/sdhci-pic32.h +header-test- += linux/platform_data/serial-sccnxp.h +header-test- += linux/platform_data/sht3x.h +header-test- += linux/platform_data/shtc1.h +header-test- += linux/platform_data/si5351.h +header-test- += linux/platform_data/sky81452-backlight.h +header-test- += linux/platform_data/spi-davinci.h +header-test- += linux/platform_data/spi-ep93xx.h +header-test- += linux/platform_data/spi-mt65xx.h +header-test- += linux/platform_data/spi-nuc900.h +header-test- += linux/platform_data/st_sensors_pdata.h +header-test- += linux/platform_data/ti-sysc.h +header-test- += linux/platform_data/timer-ixp4xx.h +header-test- += linux/platform_data/touchscreen-s3c2410.h +header-test- += linux/platform_data/tsc2007.h +header-test- += linux/platform_data/tsl2772.h +header-test- += linux/platform_data/uio_pruss.h +header-test- += linux/platform_data/usb-davinci.h +header-test- += linux/platform_data/usb-ehci-mxc.h +header-test- += linux/platform_data/usb-ehci-orion.h +header-test- += linux/platform_data/usb-mx2.h +header-test- += linux/platform_data/usb-ohci-s3c2410.h +header-test- += linux/platform_data/usb-omap.h +header-test- += linux/platform_data/usb-s3c2410_udc.h +header-test- += linux/platform_data/usb3503.h +header-test- += linux/platform_data/ux500_wdt.h +header-test- += linux/platform_data/video-clcd-versatile.h +header-test- += linux/platform_data/video-imxfb.h +header-test- += linux/platform_data/video-nuc900fb.h +header-test- += linux/platform_data/video-pxafb.h +header-test- += linux/platform_data/video_s3c.h +header-test- += linux/platform_data/voltage-omap.h +header-test- += linux/platform_data/x86/apple.h +header-test- += linux/platform_data/x86/clk-pmc-atom.h +header-test- += linux/platform_data/x86/pmc_atom.h +header-test- += linux/platform_data/xtalk-bridge.h +header-test- += linux/pm2301_charger.h +header-test- += linux/pm_wakeirq.h +header-test- += linux/pm_wakeup.h +header-test- += linux/pmbus.h +header-test- += linux/pmu.h +header-test- += linux/posix_acl.h +header-test- += linux/posix_acl_xattr.h +header-test- += linux/power/ab8500.h +header-test- += linux/power/bq27xxx_battery.h +header-test- += linux/power/generic-adc-battery.h +header-test- += linux/power/jz4740-battery.h +header-test- += linux/power/max17042_battery.h +header-test- += linux/power/max8903_charger.h +header-test- += linux/ppp-comp.h +header-test- += linux/pps-gpio.h +header-test- += linux/pr.h +header-test- += linux/proc_ns.h +header-test- += linux/processor.h +header-test- += linux/psi.h +header-test- += linux/psp-sev.h +header-test- += linux/pstore.h +header-test- += linux/ptr_ring.h +header-test- += linux/ptrace.h +header-test- += linux/qcom-geni-se.h +header-test- += linux/qed/eth_common.h +header-test- += linux/qed/fcoe_common.h +header-test- += linux/qed/iscsi_common.h +header-test- += linux/qed/iwarp_common.h +header-test- += linux/qed/qed_eth_if.h +header-test- += linux/qed/qed_fcoe_if.h +header-test- += linux/qed/rdma_common.h +header-test- += linux/qed/storage_common.h +header-test- += linux/qed/tcp_common.h +header-test- += linux/qnx6_fs.h +header-test- += linux/quicklist.h +header-test- += linux/ramfs.h +header-test- += linux/range.h +header-test- += linux/rcu_node_tree.h +header-test- += linux/rculist_bl.h +header-test- += linux/rculist_nulls.h +header-test- += linux/rcutiny.h +header-test- += linux/rcutree.h +header-test- += linux/reboot-mode.h +header-test- += linux/regulator/fixed.h +header-test- += linux/regulator/gpio-regulator.h +header-test- += linux/regulator/max8973-regulator.h +header-test- += linux/regulator/of_regulator.h +header-test- += linux/regulator/tps51632-regulator.h +header-test- += linux/regulator/tps62360.h +header-test- += linux/regulator/tps6507x.h +header-test- += linux/regulator/userspace-consumer.h +header-test- += linux/remoteproc/st_slim_rproc.h +header-test- += linux/reset/socfpga.h +header-test- += linux/reset/sunxi.h +header-test- += linux/rtc/m48t59.h +header-test- += linux/rtc/rtc-omap.h +header-test- += linux/rtc/sirfsoc_rtciobrg.h +header-test- += linux/rwlock.h +header-test- += linux/rwlock_types.h +header-test- += linux/scc.h +header-test- += linux/sched/deadline.h +header-test- += linux/sched/smt.h +header-test- += linux/sched/sysctl.h +header-test- += linux/sched_clock.h +header-test- += linux/scpi_protocol.h +header-test- += linux/scx200_gpio.h +header-test- += linux/seccomp.h +header-test- += linux/sed-opal.h +header-test- += linux/seg6_iptunnel.h +header-test- += linux/selection.h +header-test- += linux/set_memory.h +header-test- += linux/shrinker.h +header-test- += linux/sirfsoc_dma.h +header-test- += linux/skb_array.h +header-test- += linux/slab_def.h +header-test- += linux/slub_def.h +header-test- += linux/sm501.h +header-test- += linux/smc91x.h +header-test- += linux/static_key.h +header-test- += linux/soc/actions/owl-sps.h +header-test- += linux/soc/amlogic/meson-canvas.h +header-test- += linux/soc/brcmstb/brcmstb.h +header-test- += linux/soc/ixp4xx/npe.h +header-test- += linux/soc/mediatek/infracfg.h +header-test- += linux/soc/qcom/smd-rpm.h +header-test- += linux/soc/qcom/smem.h +header-test- += linux/soc/qcom/smem_state.h +header-test- += linux/soc/qcom/wcnss_ctrl.h +header-test- += linux/soc/renesas/rcar-rst.h +header-test- += linux/soc/samsung/exynos-pmu.h +header-test- += linux/soc/sunxi/sunxi_sram.h +header-test- += linux/soc/ti/ti-msgmgr.h +header-test- += linux/soc/ti/ti_sci_inta_msi.h +header-test- += linux/soc/ti/ti_sci_protocol.h +header-test- += linux/soundwire/sdw.h +header-test- += linux/soundwire/sdw_intel.h +header-test- += linux/soundwire/sdw_type.h +header-test- += linux/spi/ad7877.h +header-test- += linux/spi/ads7846.h +header-test- += linux/spi/at86rf230.h +header-test- += linux/spi/ds1305.h +header-test- += linux/spi/libertas_spi.h +header-test- += linux/spi/lms283gf05.h +header-test- += linux/spi/max7301.h +header-test- += linux/spi/mcp23s08.h +header-test- += linux/spi/rspi.h +header-test- += linux/spi/s3c24xx.h +header-test- += linux/spi/sh_msiof.h +header-test- += linux/spi/spi-fsl-dspi.h +header-test- += linux/spi/spi_bitbang.h +header-test- += linux/spi/spi_gpio.h +header-test- += linux/spi/xilinx_spi.h +header-test- += linux/spinlock_api_smp.h +header-test- += linux/spinlock_api_up.h +header-test- += linux/spinlock_types.h +header-test- += linux/splice.h +header-test- += linux/sram.h +header-test- += linux/srcutiny.h +header-test- += linux/srcutree.h +header-test- += linux/ssb/ssb_driver_chipcommon.h +header-test- += linux/ssb/ssb_driver_extif.h +header-test- += linux/ssb/ssb_driver_mips.h +header-test- += linux/ssb/ssb_driver_pci.h +header-test- += linux/ssbi.h +header-test- += linux/stackdepot.h +header-test- += linux/stmp3xxx_rtc_wdt.h +header-test- += linux/string_helpers.h +header-test- += linux/sungem_phy.h +header-test- += linux/sunrpc/msg_prot.h +header-test- += linux/sunrpc/rpc_pipe_fs.h +header-test- += linux/sunrpc/xprtmultipath.h +header-test- += linux/sunrpc/xprtsock.h +header-test- += linux/sunxi-rsb.h +header-test- += linux/svga.h +header-test- += linux/sw842.h +header-test- += linux/swapfile.h +header-test- += linux/swapops.h +header-test- += linux/swiotlb.h +header-test- += linux/sysv_fs.h +header-test- += linux/t10-pi.h +header-test- += linux/task_io_accounting.h +header-test- += linux/tick.h +header-test- += linux/timb_dma.h +header-test- += linux/timekeeping.h +header-test- += linux/timekeeping32.h +header-test- += linux/ts-nbus.h +header-test- += linux/tsacct_kern.h +header-test- += linux/tty_flip.h +header-test- += linux/tty_ldisc.h +header-test- += linux/ucb1400.h +header-test- += linux/usb/association.h +header-test- += linux/usb/cdc-wdm.h +header-test- += linux/usb/cdc_ncm.h +header-test- += linux/usb/ezusb.h +header-test- += linux/usb/gadget_configfs.h +header-test- += linux/usb/gpio_vbus.h +header-test- += linux/usb/hcd.h +header-test- += linux/usb/iowarrior.h +header-test- += linux/usb/irda.h +header-test- += linux/usb/isp116x.h +header-test- += linux/usb/isp1362.h +header-test- += linux/usb/musb.h +header-test- += linux/usb/net2280.h +header-test- += linux/usb/ohci_pdriver.h +header-test- += linux/usb/otg-fsm.h +header-test- += linux/usb/pd_ado.h +header-test- += linux/usb/r8a66597.h +header-test- += linux/usb/rndis_host.h +header-test- += linux/usb/serial.h +header-test- += linux/usb/sl811.h +header-test- += linux/usb/storage.h +header-test- += linux/usb/uas.h +header-test- += linux/usb/usb338x.h +header-test- += linux/usb/usbnet.h +header-test- += linux/usb/wusb-wa.h +header-test- += linux/usb/xhci-dbgp.h +header-test- += linux/usb_usual.h +header-test- += linux/user-return-notifier.h +header-test- += linux/userfaultfd_k.h +header-test- += linux/verification.h +header-test- += linux/vgaarb.h +header-test- += linux/via_core.h +header-test- += linux/via_i2c.h +header-test- += linux/virtio_byteorder.h +header-test- += linux/virtio_ring.h +header-test- += linux/visorbus.h +header-test- += linux/vme.h +header-test- += linux/vmstat.h +header-test- += linux/vmw_vmci_api.h +header-test- += linux/vmw_vmci_defs.h +header-test- += linux/vringh.h +header-test- += linux/vt_buffer.h +header-test- += linux/zorro.h +header-test- += linux/zpool.h +header-test- += math-emu/double.h +header-test- += math-emu/op-common.h +header-test- += math-emu/quad.h +header-test- += math-emu/single.h +header-test- += math-emu/soft-fp.h +header-test- += media/davinci/dm355_ccdc.h +header-test- += media/davinci/dm644x_ccdc.h +header-test- += media/davinci/isif.h +header-test- += media/davinci/vpbe_osd.h +header-test- += media/davinci/vpbe_types.h +header-test- += media/davinci/vpif_types.h +header-test- += media/demux.h +header-test- += media/drv-intf/soc_mediabus.h +header-test- += media/dvb_net.h +header-test- += media/fwht-ctrls.h +header-test- += media/i2c/ad9389b.h +header-test- += media/i2c/adv7343.h +header-test- += media/i2c/adv7511.h +header-test- += media/i2c/adv7842.h +header-test- += media/i2c/m5mols.h +header-test- += media/i2c/mt9m032.h +header-test- += media/i2c/mt9t112.h +header-test- += media/i2c/mt9v032.h +header-test- += media/i2c/ov2659.h +header-test- += media/i2c/ov7670.h +header-test- += media/i2c/rj54n1cb0c.h +header-test- += media/i2c/saa6588.h +header-test- += media/i2c/saa7115.h +header-test- += media/i2c/sr030pc30.h +header-test- += media/i2c/tc358743.h +header-test- += media/i2c/tda1997x.h +header-test- += media/i2c/ths7303.h +header-test- += media/i2c/tvaudio.h +header-test- += media/i2c/tvp514x.h +header-test- += media/i2c/tvp7002.h +header-test- += media/i2c/wm8775.h +header-test- += media/imx.h +header-test- += media/media-dev-allocator.h +header-test- += media/mpeg2-ctrls.h +header-test- += media/rcar-fcp.h +header-test- += media/tuner-types.h +header-test- += media/tveeprom.h +header-test- += media/v4l2-flash-led-class.h +header-test- += misc/altera.h +header-test- += misc/cxl-base.h +header-test- += misc/cxllib.h +header-test- += net/9p/9p.h +header-test- += net/9p/client.h +header-test- += net/9p/transport.h +header-test- += net/af_vsock.h +header-test- += net/ax88796.h +header-test- += net/bluetooth/hci.h +header-test- += net/bluetooth/hci_core.h +header-test- += net/bluetooth/hci_mon.h +header-test- += net/bluetooth/hci_sock.h +header-test- += net/bluetooth/l2cap.h +header-test- += net/bluetooth/mgmt.h +header-test- += net/bluetooth/rfcomm.h +header-test- += net/bluetooth/sco.h +header-test- += net/bond_options.h +header-test- += net/caif/cfsrvl.h +header-test- += net/codel_impl.h +header-test- += net/codel_qdisc.h +header-test- += net/compat.h +header-test- += net/datalink.h +header-test- += net/dcbevent.h +header-test- += net/dcbnl.h +header-test- += net/dn_dev.h +header-test- += net/dn_fib.h +header-test- += net/dn_neigh.h +header-test- += net/dn_nsp.h +header-test- += net/dn_route.h +header-test- += net/erspan.h +header-test- += net/esp.h +header-test- += net/ethoc.h +header-test- += net/firewire.h +header-test- += net/flow_offload.h +header-test- += net/fq.h +header-test- += net/fq_impl.h +header-test- += net/garp.h +header-test- += net/gtp.h +header-test- += net/gue.h +header-test- += net/hwbm.h +header-test- += net/ila.h +header-test- += net/inet6_connection_sock.h +header-test- += net/inet_common.h +header-test- += net/inet_frag.h +header-test- += net/ip6_route.h +header-test- += net/ip_vs.h +header-test- += net/ipcomp.h +header-test- += net/ipconfig.h +header-test- += net/iucv/af_iucv.h +header-test- += net/iucv/iucv.h +header-test- += net/lapb.h +header-test- += net/llc_c_ac.h +header-test- += net/llc_c_st.h +header-test- += net/llc_s_ac.h +header-test- += net/llc_s_ev.h +header-test- += net/llc_s_st.h +header-test- += net/mpls_iptunnel.h +header-test- += net/mrp.h +header-test- += net/ncsi.h +header-test- += net/netevent.h +header-test- += net/netfilter/br_netfilter.h +header-test- += net/netfilter/ipv4/nf_dup_ipv4.h +header-test- += net/netfilter/ipv6/nf_defrag_ipv6.h +header-test- += net/netfilter/ipv6/nf_dup_ipv6.h +header-test- += net/netfilter/nf_conntrack.h +header-test- += net/netfilter/nf_conntrack_acct.h +header-test- += net/netfilter/nf_conntrack_bridge.h +header-test- += net/netfilter/nf_conntrack_core.h +header-test- += net/netfilter/nf_conntrack_count.h +header-test- += net/netfilter/nf_conntrack_ecache.h +header-test- += net/netfilter/nf_conntrack_expect.h +header-test- += net/netfilter/nf_conntrack_extend.h +header-test- += net/netfilter/nf_conntrack_helper.h +header-test- += net/netfilter/nf_conntrack_l4proto.h +header-test- += net/netfilter/nf_conntrack_labels.h +header-test- += net/netfilter/nf_conntrack_seqadj.h +header-test- += net/netfilter/nf_conntrack_synproxy.h +header-test- += net/netfilter/nf_conntrack_timeout.h +header-test- += net/netfilter/nf_conntrack_timestamp.h +header-test- += net/netfilter/nf_conntrack_tuple.h +header-test- += net/netfilter/nf_dup_netdev.h +header-test- += net/netfilter/nf_flow_table.h +header-test- += net/netfilter/nf_nat.h +header-test- += net/netfilter/nf_nat_helper.h +header-test- += net/netfilter/nf_nat_masquerade.h +header-test- += net/netfilter/nf_nat_redirect.h +header-test- += net/netfilter/nf_queue.h +header-test- += net/netfilter/nf_reject.h +header-test- += net/netfilter/nf_synproxy.h +header-test- += net/netfilter/nf_tables.h +header-test- += net/netfilter/nf_tables_core.h +header-test- += net/netfilter/nf_tables_ipv4.h +header-test- += net/netfilter/nf_tables_ipv6.h +header-test- += net/netfilter/nft_fib.h +header-test- += net/netfilter/nft_meta.h +header-test- += net/netfilter/nft_reject.h +header-test- += net/netns/can.h +header-test- += net/netns/generic.h +header-test- += net/netns/ieee802154_6lowpan.h +header-test- += net/netns/ipv4.h +header-test- += net/netns/ipv6.h +header-test- += net/netns/mpls.h +header-test- += net/netns/nftables.h +header-test- += net/netns/sctp.h +header-test- += net/netrom.h +header-test- += net/p8022.h +header-test- += net/phonet/pep.h +header-test- += net/phonet/phonet.h +header-test- += net/phonet/pn_dev.h +header-test- += net/pptp.h +header-test- += net/psample.h +header-test- += net/psnap.h +header-test- += net/regulatory.h +header-test- += net/rose.h +header-test- += net/sctp/auth.h +header-test- += net/sctp/stream_interleave.h +header-test- += net/sctp/stream_sched.h +header-test- += net/sctp/tsnmap.h +header-test- += net/sctp/ulpevent.h +header-test- += net/sctp/ulpqueue.h +header-test- += net/secure_seq.h +header-test- += net/smc.h +header-test- += net/stp.h +header-test- += net/transp_v6.h +header-test- += net/tun_proto.h +header-test- += net/udplite.h +header-test- += net/xdp.h +header-test- += net/xdp_priv.h +header-test- += pcmcia/cistpl.h +header-test- += pcmcia/ds.h +header-test- += rdma/ib.h +header-test- += rdma/iw_portmap.h +header-test- += rdma/opa_port_info.h +header-test- += rdma/rdma_counter.h +header-test- += rdma/rdmavt_cq.h +header-test- += rdma/restrack.h +header-test- += rdma/signature.h +header-test- += rdma/tid_rdma_defs.h +header-test- += scsi/fc/fc_encaps.h +header-test- += scsi/fc/fc_fc2.h +header-test- += scsi/fc/fc_fcoe.h +header-test- += scsi/fc/fc_fip.h +header-test- += scsi/fc_encode.h +header-test- += scsi/fc_frame.h +header-test- += scsi/iser.h +header-test- += scsi/libfc.h +header-test- += scsi/libfcoe.h +header-test- += scsi/libsas.h +header-test- += scsi/sas_ata.h +header-test- += scsi/scsi_cmnd.h +header-test- += scsi/scsi_dbg.h +header-test- += scsi/scsi_device.h +header-test- += scsi/scsi_dh.h +header-test- += scsi/scsi_eh.h +header-test- += scsi/scsi_host.h +header-test- += scsi/scsi_ioctl.h +header-test- += scsi/scsi_request.h +header-test- += scsi/scsi_tcq.h +header-test- += scsi/scsi_transport.h +header-test- += scsi/scsi_transport_fc.h +header-test- += scsi/scsi_transport_sas.h +header-test- += scsi/scsi_transport_spi.h +header-test- += scsi/scsi_transport_srp.h +header-test- += scsi/scsicam.h +header-test- += scsi/sg.h +header-test- += soc/arc/aux.h +header-test- += soc/arc/mcip.h +header-test- += soc/arc/timers.h +header-test- += soc/brcmstb/common.h +header-test- += soc/fsl/bman.h +header-test- += soc/fsl/qe/qe.h +header-test- += soc/fsl/qe/qe_ic.h +header-test- += soc/fsl/qe/qe_tdm.h +header-test- += soc/fsl/qe/ucc.h +header-test- += soc/fsl/qe/ucc_fast.h +header-test- += soc/fsl/qe/ucc_slow.h +header-test- += soc/fsl/qman.h +header-test- += soc/nps/common.h +header-test-$(CONFIG_ARC) += soc/nps/mtm.h +header-test- += soc/qcom/cmd-db.h +header-test- += soc/qcom/rpmh.h +header-test- += soc/qcom/tcs.h +header-test- += soc/tegra/ahb.h +header-test- += soc/tegra/bpmp-abi.h +header-test- += soc/tegra/common.h +header-test- += soc/tegra/flowctrl.h +header-test- += soc/tegra/fuse.h +header-test- += soc/tegra/mc.h +header-test- += sound/ac97/compat.h +header-test- += sound/aci.h +header-test- += sound/ad1843.h +header-test- += sound/adau1373.h +header-test- += sound/ak4113.h +header-test- += sound/ak4114.h +header-test- += sound/ak4117.h +header-test- += sound/cs35l33.h +header-test- += sound/cs35l34.h +header-test- += sound/cs35l35.h +header-test- += sound/cs35l36.h +header-test- += sound/cs4271.h +header-test- += sound/cs42l52.h +header-test- += sound/cs8427.h +header-test- += sound/da7218.h +header-test- += sound/da7219-aad.h +header-test- += sound/da7219.h +header-test- += sound/da9055.h +header-test- += sound/emu8000.h +header-test- += sound/emux_synth.h +header-test- += sound/hda_component.h +header-test- += sound/hda_hwdep.h +header-test- += sound/hda_i915.h +header-test- += sound/hwdep.h +header-test- += sound/i2c.h +header-test- += sound/l3.h +header-test- += sound/max98088.h +header-test- += sound/max98095.h +header-test- += sound/mixer_oss.h +header-test- += sound/omap-hdmi-audio.h +header-test- += sound/pcm_drm_eld.h +header-test- += sound/pcm_iec958.h +header-test- += sound/pcm_oss.h +header-test- += sound/pxa2xx-lib.h +header-test- += sound/rt286.h +header-test- += sound/rt298.h +header-test- += sound/rt5645.h +header-test- += sound/rt5659.h +header-test- += sound/rt5660.h +header-test- += sound/rt5665.h +header-test- += sound/rt5670.h +header-test- += sound/s3c24xx_uda134x.h +header-test- += sound/seq_device.h +header-test- += sound/seq_kernel.h +header-test- += sound/seq_midi_emul.h +header-test- += sound/seq_oss.h +header-test- += sound/soc-acpi-intel-match.h +header-test- += sound/soc-dai.h +header-test- += sound/soc-dapm.h +header-test- += sound/soc-dpcm.h +header-test- += sound/sof/control.h +header-test- += sound/sof/dai-intel.h +header-test- += sound/sof/dai.h +header-test- += sound/sof/header.h +header-test- += sound/sof/info.h +header-test- += sound/sof/pm.h +header-test- += sound/sof/stream.h +header-test- += sound/sof/topology.h +header-test- += sound/sof/trace.h +header-test- += sound/sof/xtensa.h +header-test- += sound/spear_spdif.h +header-test- += sound/sta32x.h +header-test- += sound/sta350.h +header-test- += sound/tea6330t.h +header-test- += sound/tlv320aic32x4.h +header-test- += sound/tlv320dac33-plat.h +header-test- += sound/uda134x.h +header-test- += sound/wavefront.h +header-test- += sound/wm8903.h +header-test- += sound/wm8904.h +header-test- += sound/wm8960.h +header-test- += sound/wm8962.h +header-test- += sound/wm8993.h +header-test- += sound/wm8996.h +header-test- += sound/wm9081.h +header-test- += sound/wm9090.h +header-test- += target/iscsi/iscsi_target_stat.h +header-test- += trace/bpf_probe.h +header-test- += trace/events/9p.h +header-test- += trace/events/afs.h +header-test- += trace/events/asoc.h +header-test- += trace/events/bcache.h +header-test- += trace/events/block.h +header-test- += trace/events/cachefiles.h +header-test- += trace/events/cgroup.h +header-test- += trace/events/clk.h +header-test- += trace/events/cma.h +header-test- += trace/events/ext4.h +header-test- += trace/events/f2fs.h +header-test- += trace/events/fs_dax.h +header-test- += trace/events/fscache.h +header-test- += trace/events/fsi.h +header-test- += trace/events/fsi_master_ast_cf.h +header-test- += trace/events/fsi_master_gpio.h +header-test- += trace/events/huge_memory.h +header-test- += trace/events/ib_mad.h +header-test- += trace/events/ib_umad.h +header-test- += trace/events/iscsi.h +header-test- += trace/events/jbd2.h +header-test- += trace/events/kvm.h +header-test- += trace/events/kyber.h +header-test- += trace/events/libata.h +header-test- += trace/events/mce.h +header-test- += trace/events/mdio.h +header-test- += trace/events/migrate.h +header-test- += trace/events/mmflags.h +header-test- += trace/events/nbd.h +header-test- += trace/events/nilfs2.h +header-test- += trace/events/pwc.h +header-test- += trace/events/rdma.h +header-test- += trace/events/rpcgss.h +header-test- += trace/events/rpcrdma.h +header-test- += trace/events/rxrpc.h +header-test- += trace/events/scsi.h +header-test- += trace/events/siox.h +header-test- += trace/events/spi.h +header-test- += trace/events/swiotlb.h +header-test- += trace/events/syscalls.h +header-test- += trace/events/target.h +header-test- += trace/events/thermal_power_allocator.h +header-test- += trace/events/timer.h +header-test- += trace/events/wbt.h +header-test- += trace/events/xen.h +header-test- += trace/perf.h +header-test- += trace/trace_events.h +header-test- += uapi/drm/vmwgfx_drm.h +header-test- += uapi/linux/a.out.h +header-test- += uapi/linux/coda.h +header-test- += uapi/linux/coda_psdev.h +header-test- += uapi/linux/errqueue.h +header-test- += uapi/linux/eventpoll.h +header-test- += uapi/linux/hdlc/ioctl.h +header-test- += uapi/linux/input.h +header-test- += uapi/linux/kvm.h +header-test- += uapi/linux/kvm_para.h +header-test- += uapi/linux/lightnvm.h +header-test- += uapi/linux/mic_common.h +header-test- += uapi/linux/mman.h +header-test- += uapi/linux/netfilter/ipset/ip_set_bitmap.h +header-test- += uapi/linux/netfilter/ipset/ip_set_hash.h +header-test- += uapi/linux/netfilter/ipset/ip_set_list.h +header-test- += uapi/linux/netfilter/nf_synproxy.h +header-test- += uapi/linux/netfilter/xt_policy.h +header-test- += uapi/linux/netfilter/xt_set.h +header-test- += uapi/linux/netfilter_arp/arp_tables.h +header-test- += uapi/linux/netfilter_arp/arpt_mangle.h +header-test- += uapi/linux/netfilter_ipv4/ip_tables.h +header-test- += uapi/linux/netfilter_ipv4/ipt_LOG.h +header-test- += uapi/linux/netfilter_ipv6/ip6_tables.h +header-test- += uapi/linux/netfilter_ipv6/ip6t_LOG.h +header-test- += uapi/linux/nilfs2_ondisk.h +header-test- += uapi/linux/patchkey.h +header-test- += uapi/linux/ptrace.h +header-test- += uapi/linux/scc.h +header-test- += uapi/linux/seg6_iptunnel.h +header-test- += uapi/linux/smc_diag.h +header-test- += uapi/linux/timex.h +header-test- += uapi/linux/videodev2.h +header-test- += uapi/scsi/scsi_bsg_fc.h +header-test- += uapi/sound/asound.h +header-test- += uapi/sound/sof/eq.h +header-test- += uapi/sound/sof/fw.h +header-test- += uapi/sound/sof/header.h +header-test- += uapi/sound/sof/manifest.h +header-test- += uapi/sound/sof/trace.h +header-test- += uapi/xen/evtchn.h +header-test- += uapi/xen/gntdev.h +header-test- += uapi/xen/privcmd.h +header-test- += vdso/vsyscall.h +header-test- += video/broadsheetfb.h +header-test- += video/cvisionppc.h +header-test- += video/gbe.h +header-test- += video/kyro.h +header-test- += video/maxinefb.h +header-test- += video/metronomefb.h +header-test- += video/neomagic.h +header-test- += video/of_display_timing.h +header-test- += video/omapvrfb.h +header-test- += video/s1d13xxxfb.h +header-test- += video/sstfb.h +header-test- += video/tgafb.h +header-test- += video/udlfb.h +header-test- += video/uvesafb.h +header-test- += video/vga.h +header-test- += video/w100fb.h +header-test- += xen/acpi.h +header-test- += xen/arm/hypercall.h +header-test- += xen/arm/page-coherent.h +header-test- += xen/arm/page.h +header-test- += xen/balloon.h +header-test- += xen/events.h +header-test- += xen/features.h +header-test- += xen/grant_table.h +header-test- += xen/hvm.h +header-test- += xen/interface/callback.h +header-test- += xen/interface/event_channel.h +header-test- += xen/interface/grant_table.h +header-test- += xen/interface/hvm/dm_op.h +header-test- += xen/interface/hvm/hvm_op.h +header-test- += xen/interface/hvm/hvm_vcpu.h +header-test- += xen/interface/hvm/params.h +header-test- += xen/interface/hvm/start_info.h +header-test- += xen/interface/io/9pfs.h +header-test- += xen/interface/io/blkif.h +header-test- += xen/interface/io/console.h +header-test- += xen/interface/io/displif.h +header-test- += xen/interface/io/fbif.h +header-test- += xen/interface/io/kbdif.h +header-test- += xen/interface/io/netif.h +header-test- += xen/interface/io/pciif.h +header-test- += xen/interface/io/protocols.h +header-test- += xen/interface/io/pvcalls.h +header-test- += xen/interface/io/ring.h +header-test- += xen/interface/io/sndif.h +header-test- += xen/interface/io/tpmif.h +header-test- += xen/interface/io/vscsiif.h +header-test- += xen/interface/io/xs_wire.h +header-test- += xen/interface/memory.h +header-test- += xen/interface/nmi.h +header-test- += xen/interface/physdev.h +header-test- += xen/interface/platform.h +header-test- += xen/interface/sched.h +header-test- += xen/interface/vcpu.h +header-test- += xen/interface/version.h +header-test- += xen/interface/xen-mca.h +header-test- += xen/interface/xen.h +header-test- += xen/interface/xenpmu.h +header-test- += xen/mem-reservation.h +header-test- += xen/page.h +header-test- += xen/platform_pci.h +header-test- += xen/swiotlb-xen.h +header-test- += xen/xen-front-pgdir-shbuf.h +header-test- += xen/xen-ops.h +header-test- += xen/xen.h +header-test- += xen/xenbus.h + +# Do not include directly +header-test- += linux/compiler-clang.h +header-test- += linux/compiler-gcc.h +header-test- += linux/patchkey.h +header-test- += linux/rwlock_api_smp.h +header-test- += linux/spinlock_types_up.h +header-test- += linux/spinlock_up.h +header-test- += linux/wimax/debug.h +header-test- += rdma/uverbs_named_ioctl.h + +# asm-generic/*.h is used by asm/*.h, and should not be included directly +header-test- += asm-generic/% uapi/asm-generic/% + +# Timestamp files touched by Kconfig +header-test- += config/% + +# Timestamp files touched by scripts/adjust_autoksyms.sh +header-test- += ksym/% + +# You could compile-test these, but maybe not so useful... +header-test- += dt-bindings/% + +# Do not test generated headers. Stale headers are often left over when you +# traverse the git history without cleaning. +header-test- += generated/% + +# The rest are compile-tested +header-test-pattern-y += */*.h */*/*.h */*/*/*.h */*/*/*/*.h diff --git a/include/uapi/linux/Kbuild b/include/uapi/Kbuild index 34711c5d6968..61ee6e59c930 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/Kbuild @@ -1,14 +1,14 @@ # SPDX-License-Identifier: GPL-2.0 ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/a.out.h),) -no-export-headers += a.out.h +no-export-headers += linux/a.out.h endif ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/kvm.h),) -no-export-headers += kvm.h +no-export-headers += linux/kvm.h endif ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/kvm_para.h),) ifeq ($(wildcard $(objtree)/arch/$(SRCARCH)/include/generated/uapi/asm/kvm_para.h),) -no-export-headers += kvm_para.h +no-export-headers += linux/kvm_para.h endif endif diff --git a/init/Kconfig b/init/Kconfig index d3ad48272924..9697c6b5303c 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -24,6 +24,9 @@ config CLANG_VERSION int default $(shell,$(srctree)/scripts/clang-version.sh $(CC)) +config CC_CAN_LINK + def_bool $(success,$(srctree)/scripts/cc-can-link.sh $(CC)) + config CC_HAS_ASM_GOTO def_bool $(success,$(srctree)/scripts/gcc-goto.sh $(CC)) @@ -96,6 +99,36 @@ config COMPILE_TEST here. If you are a user/distributor, say N here to exclude useless drivers to be distributed. +config HEADER_TEST + bool "Compile test headers that should be standalone compilable" + help + Compile test headers listed in header-test-y target to ensure they are + self-contained, i.e. compilable as standalone units. + + If you are a developer or tester and want to ensure the requested + headers are self-contained, say Y here. Otherwise, choose N. + +config KERNEL_HEADER_TEST + bool "Compile test kernel headers" + depends on HEADER_TEST + help + Headers in include/ are used to build external moduls. + Compile test them to ensure they are self-contained, i.e. + compilable as standalone units. + + If you are a developer or tester and want to ensure the headers + in include/ are self-contained, say Y here. Otherwise, choose N. + +config UAPI_HEADER_TEST + bool "Compile test UAPI headers" + depends on HEADER_TEST && HEADERS_INSTALL && CC_CAN_LINK + help + Compile test headers exported to user-space to ensure they are + self-contained, i.e. compilable as standalone units. + + If you are a developer or tester and want to ensure the exported + headers are self-contained, say Y here. Otherwise, choose N. + config LOCALVERSION string "Local version - append to kernel release" help diff --git a/kernel/gen_kheaders.sh b/kernel/gen_kheaders.sh index 9a34e1d9bd7f..9ff449888d9c 100755 --- a/kernel/gen_kheaders.sh +++ b/kernel/gen_kheaders.sh @@ -4,24 +4,12 @@ # This script generates an archive consisting of kernel headers # for CONFIG_IKHEADERS. set -e -spath="$(dirname "$(readlink -f "$0")")" -kroot="$spath/.." +sfile="$(readlink -f "$0")" outdir="$(pwd)" tarfile=$1 cpio_dir=$outdir/$tarfile.tmp -# Script filename relative to the kernel source root -# We add it to the archive because it is small and any changes -# to this script will also cause a rebuild of the archive. -sfile="$(realpath --relative-to $kroot "$(readlink -f "$0")")" - -src_file_list=" -include/ -arch/$SRCARCH/include/ -$sfile -" - -obj_file_list=" +dir_list=" include/ arch/$SRCARCH/include/ " @@ -33,33 +21,29 @@ arch/$SRCARCH/include/ # Uncomment it for debugging. # if [ ! -f /tmp/iter ]; then iter=1; echo 1 > /tmp/iter; # else iter=$(($(cat /tmp/iter) + 1)); echo $iter > /tmp/iter; fi -# find $src_file_list -type f | xargs ls -lR > /tmp/src-ls-$iter -# find $obj_file_list -type f | xargs ls -lR > /tmp/obj-ls-$iter +# find $src_file_list -name "*.h" | xargs ls -l > /tmp/src-ls-$iter +# find $obj_file_list -name "*.h" | xargs ls -l > /tmp/obj-ls-$iter # include/generated/compile.h is ignored because it is touched even when none # of the source files changed. This causes pointless regeneration, so let us # ignore them for md5 calculation. -pushd $kroot > /dev/null -src_files_md5="$(find $src_file_list -type f | +pushd $srctree > /dev/null +src_files_md5="$(find $dir_list -name "*.h" | grep -v "include/generated/compile.h" | grep -v "include/generated/autoconf.h" | - grep -v "include/config/auto.conf" | - grep -v "include/config/auto.conf.cmd" | - grep -v "include/config/tristate.conf" | - xargs ls -lR | md5sum | cut -d ' ' -f1)" + xargs ls -l | md5sum | cut -d ' ' -f1)" popd > /dev/null -obj_files_md5="$(find $obj_file_list -type f | +obj_files_md5="$(find $dir_list -name "*.h" | grep -v "include/generated/compile.h" | grep -v "include/generated/autoconf.h" | - grep -v "include/config/auto.conf" | - grep -v "include/config/auto.conf.cmd" | - grep -v "include/config/tristate.conf" | - xargs ls -lR | md5sum | cut -d ' ' -f1)" - + xargs ls -l | md5sum | cut -d ' ' -f1)" +# Any changes to this script will also cause a rebuild of the archive. +this_file_md5="$(ls -l $sfile | md5sum | cut -d ' ' -f1)" if [ -f $tarfile ]; then tarfile_md5="$(md5sum $tarfile | cut -d ' ' -f1)"; fi if [ -f kernel/kheaders.md5 ] && [ "$(cat kernel/kheaders.md5|head -1)" == "$src_files_md5" ] && [ "$(cat kernel/kheaders.md5|head -2|tail -1)" == "$obj_files_md5" ] && + [ "$(cat kernel/kheaders.md5|head -3|tail -1)" == "$this_file_md5" ] && [ "$(cat kernel/kheaders.md5|tail -1)" == "$tarfile_md5" ]; then exit fi @@ -71,16 +55,16 @@ fi rm -rf $cpio_dir mkdir $cpio_dir -pushd $kroot > /dev/null -for f in $src_file_list; - do find "$f" ! -name "*.cmd" ! -name ".*"; +pushd $srctree > /dev/null +for f in $dir_list; + do find "$f" -name "*.h"; done | cpio --quiet -pd $cpio_dir popd > /dev/null # The second CPIO can complain if files already exist which can # happen with out of tree builds. Just silence CPIO for now. -for f in $obj_file_list; - do find "$f" ! -name "*.cmd" ! -name ".*"; +for f in $dir_list; + do find "$f" -name "*.h"; done | cpio --quiet -pd $cpio_dir >/dev/null 2>&1 # Remove comments except SDPX lines @@ -91,6 +75,7 @@ tar -Jcf $tarfile -C $cpio_dir/ . > /dev/null echo "$src_files_md5" > kernel/kheaders.md5 echo "$obj_files_md5" >> kernel/kheaders.md5 +echo "$this_file_md5" >> kernel/kheaders.md5 echo "$(md5sum $tarfile | cut -d ' ' -f1)" >> kernel/kheaders.md5 rm -rf $cpio_dir diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index d4c8c9323aa4..4ac4ca21a30a 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -305,19 +305,26 @@ config DEBUG_FS If unsure, say N. -config HEADERS_CHECK - bool "Run 'make headers_check' when building vmlinux" +config HEADERS_INSTALL + bool "Install uapi headers to usr/include" depends on !UML help - This option will extract the user-visible kernel headers whenever - building the kernel, and will run basic sanity checks on them to - ensure that exported files do not attempt to include files which - were not exported, etc. + This option will install uapi headers (headers exported to user-space) + into the usr/include directory for use during the kernel build. + This is unneeded for building the kernel itself, but needed for some + user-space program samples. It is also needed by some features such + as uapi header sanity checks. + +config HEADERS_CHECK + bool "Run sanity checks on uapi headers when building 'all'" + depends on HEADERS_INSTALL + help + This option will run basic sanity checks on uapi headers when + building the 'all' target, for example, ensure that they do not + attempt to include files which were not exported, etc. If you're making modifications to header files which are - relevant for userspace, say 'Y', and check the headers - exported to $(INSTALL_HDR_PATH) (usually 'usr/include' in - your build tree), to make sure they're suitable. + relevant for userspace, say 'Y'. config OPTIMIZE_INLINING bool "Allow compiler to uninline functions marked 'inline'" diff --git a/lib/raid6/Makefile b/lib/raid6/Makefile index e723eacf7868..42695bc8d451 100644 --- a/lib/raid6/Makefile +++ b/lib/raid6/Makefile @@ -12,9 +12,6 @@ raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s390xc.o hostprogs-y += mktables -quiet_cmd_unroll = UNROLL $@ - cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$(UNROLL) < $< > $@ - ifeq ($(CONFIG_ALTIVEC),y) altivec_flags := -maltivec $(call cc-option,-mabi=altivec) @@ -26,7 +23,6 @@ CFLAGS_REMOVE_altivec1.o += -msoft-float CFLAGS_REMOVE_altivec2.o += -msoft-float CFLAGS_REMOVE_altivec4.o += -msoft-float CFLAGS_REMOVE_altivec8.o += -msoft-float -CFLAGS_REMOVE_altivec8.o += -msoft-float CFLAGS_REMOVE_vpermxor1.o += -msoft-float CFLAGS_REMOVE_vpermxor2.o += -msoft-float CFLAGS_REMOVE_vpermxor4.o += -msoft-float @@ -51,111 +47,39 @@ CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only endif endif -targets += int1.c -$(obj)/int1.c: UNROLL := 1 -$(obj)/int1.c: $(src)/int.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -targets += int2.c -$(obj)/int2.c: UNROLL := 2 -$(obj)/int2.c: $(src)/int.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -targets += int4.c -$(obj)/int4.c: UNROLL := 4 -$(obj)/int4.c: $(src)/int.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -targets += int8.c -$(obj)/int8.c: UNROLL := 8 -$(obj)/int8.c: $(src)/int.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -targets += int16.c -$(obj)/int16.c: UNROLL := 16 -$(obj)/int16.c: $(src)/int.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) +quiet_cmd_unroll = UNROLL $@ + cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$* < $< > $@ -targets += int32.c -$(obj)/int32.c: UNROLL := 32 -$(obj)/int32.c: $(src)/int.uc $(src)/unroll.awk FORCE +targets += int1.c int2.c int4.c int8.c int16.c int32.c +$(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) CFLAGS_altivec1.o += $(altivec_flags) -targets += altivec1.c -$(obj)/altivec1.c: UNROLL := 1 -$(obj)/altivec1.c: $(src)/altivec.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - CFLAGS_altivec2.o += $(altivec_flags) -targets += altivec2.c -$(obj)/altivec2.c: UNROLL := 2 -$(obj)/altivec2.c: $(src)/altivec.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - CFLAGS_altivec4.o += $(altivec_flags) -targets += altivec4.c -$(obj)/altivec4.c: UNROLL := 4 -$(obj)/altivec4.c: $(src)/altivec.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - CFLAGS_altivec8.o += $(altivec_flags) -targets += altivec8.c -$(obj)/altivec8.c: UNROLL := 8 -$(obj)/altivec8.c: $(src)/altivec.uc $(src)/unroll.awk FORCE +targets += altivec1.c altivec2.c altivec4.c altivec8.c +$(obj)/altivec%.c: $(src)/altivec.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) CFLAGS_vpermxor1.o += $(altivec_flags) -targets += vpermxor1.c -$(obj)/vpermxor1.c: UNROLL := 1 -$(obj)/vpermxor1.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - CFLAGS_vpermxor2.o += $(altivec_flags) -targets += vpermxor2.c -$(obj)/vpermxor2.c: UNROLL := 2 -$(obj)/vpermxor2.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - CFLAGS_vpermxor4.o += $(altivec_flags) -targets += vpermxor4.c -$(obj)/vpermxor4.c: UNROLL := 4 -$(obj)/vpermxor4.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - CFLAGS_vpermxor8.o += $(altivec_flags) -targets += vpermxor8.c -$(obj)/vpermxor8.c: UNROLL := 8 -$(obj)/vpermxor8.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE +targets += vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o +$(obj)/vpermxor%.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) CFLAGS_neon1.o += $(NEON_FLAGS) -targets += neon1.c -$(obj)/neon1.c: UNROLL := 1 -$(obj)/neon1.c: $(src)/neon.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - CFLAGS_neon2.o += $(NEON_FLAGS) -targets += neon2.c -$(obj)/neon2.c: UNROLL := 2 -$(obj)/neon2.c: $(src)/neon.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - CFLAGS_neon4.o += $(NEON_FLAGS) -targets += neon4.c -$(obj)/neon4.c: UNROLL := 4 -$(obj)/neon4.c: $(src)/neon.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - CFLAGS_neon8.o += $(NEON_FLAGS) -targets += neon8.c -$(obj)/neon8.c: UNROLL := 8 -$(obj)/neon8.c: $(src)/neon.uc $(src)/unroll.awk FORCE +targets += neon1.c neon2.c neon4.c neon8.c +$(obj)/neon%.c: $(src)/neon.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) targets += s390vx8.c -$(obj)/s390vx8.c: UNROLL := 8 -$(obj)/s390vx8.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE +$(obj)/s390vx%.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) quiet_cmd_mktable = TABLE $@ diff --git a/net/bpfilter/Kconfig b/net/bpfilter/Kconfig index 91f9d878165e..fed9290e3b41 100644 --- a/net/bpfilter/Kconfig +++ b/net/bpfilter/Kconfig @@ -9,7 +9,7 @@ menuconfig BPFILTER if BPFILTER config BPFILTER_UMH tristate "bpfilter kernel module with user mode helper" - depends on $(success,$(srctree)/scripts/cc-can-link.sh $(CC)) + depends on CC_CAN_LINK default m help This builds bpfilter kernel module with embedded user mode helper diff --git a/samples/Kconfig b/samples/Kconfig index d63cc8a3e0df..71b5e833dd9e 100644 --- a/samples/Kconfig +++ b/samples/Kconfig @@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only menuconfig SAMPLES bool "Sample kernel code" - depends on !UML help You can build and test sample kernel code here. @@ -95,16 +94,24 @@ config SAMPLE_CONFIGFS config SAMPLE_CONNECTOR tristate "Build connector sample -- loadable modules only" - depends on CONNECTOR && m + depends on CONNECTOR && HEADERS_INSTALL && m help When enabled, this builds both a sample kernel module for the connector interface and a user space tool to communicate with it. See also Documentation/connector/connector.txt +config SAMPLE_HIDRAW + bool "hidraw sample" + depends on HEADERS_INSTALL + +config SAMPLE_PIDFD + bool "pidfd sample" + depends on HEADERS_INSTALL + config SAMPLE_SECCOMP bool "Build seccomp sample code" - depends on SECCOMP_FILTER + depends on SECCOMP_FILTER && HEADERS_INSTALL help Build samples of seccomp filters using various methods of BPF filter construction. @@ -156,6 +163,7 @@ config SAMPLE_ANDROID_BINDERFS config SAMPLE_VFS bool "Build example programs that use new VFS system calls" + depends on HEADERS_INSTALL help Build example userspace programs that use new VFS system calls such as mount API and statx(). Note that this is restricted to the x86 diff --git a/samples/Makefile b/samples/Makefile index debf8925f06f..7d6e4ca28d69 100644 --- a/samples/Makefile +++ b/samples/Makefile @@ -4,14 +4,14 @@ obj-$(CONFIG_SAMPLE_ANDROID_BINDERFS) += binderfs/ obj-$(CONFIG_SAMPLE_CONFIGFS) += configfs/ obj-$(CONFIG_SAMPLE_CONNECTOR) += connector/ -subdir-y += hidraw +subdir-$(CONFIG_SAMPLE_HIDRAW) += hidraw obj-$(CONFIG_SAMPLE_HW_BREAKPOINT) += hw_breakpoint/ obj-$(CONFIG_SAMPLE_KDB) += kdb/ obj-$(CONFIG_SAMPLE_KFIFO) += kfifo/ obj-$(CONFIG_SAMPLE_KOBJECT) += kobject/ obj-$(CONFIG_SAMPLE_KPROBES) += kprobes/ obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch/ -subdir-y += pidfd +subdir-$(CONFIG_SAMPLE_PIDFD) += pidfd obj-$(CONFIG_SAMPLE_QMI_CLIENT) += qmi/ obj-$(CONFIG_SAMPLE_RPMSG_CLIENT) += rpmsg/ subdir-$(CONFIG_SAMPLE_SECCOMP) += seccomp diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index ee58cde8ee3b..73e80b917f12 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -79,8 +79,8 @@ endef # would try to directly execute the shell builtin 'command'. This workaround # should be kept for a long time since this issue was fixed only after the # GNU Make 4.2.1 release. -cc-cross-prefix = $(firstword $(foreach c, $(filter-out -%, $(1)), \ - $(if $(shell command -v $(c)gcc 2>/dev/null), $(c)))) +cc-cross-prefix = $(firstword $(foreach c, $(1), \ + $(if $(shell command -v -- $(c)gcc 2>/dev/null), $(c)))) # output directory for tests below TMPOUT := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/) @@ -187,12 +187,6 @@ dtbinst := -f $(srctree)/scripts/Makefile.dtbinst obj # $(Q)$(MAKE) $(clean)=dir clean := -f $(srctree)/scripts/Makefile.clean obj -### -# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.headersinst obj= -# Usage: -# $(Q)$(MAKE) $(hdr-inst)=dir -hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj - # echo command. # Short version is used, if $(quiet) equals `quiet_', otherwise full one. echo-cmd = $(if $($(quiet)cmd_$(1)),\ @@ -213,12 +207,12 @@ objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o))) # See Documentation/kbuild/makefiles.rst for more info ifneq ($(KBUILD_NOCMDDEP),1) -# Check if both arguments are the same including their order. Result is empty +# Check if both commands are the same including their order. Result is empty # string if equal. User may override this check using make KBUILD_NOCMDDEP=1 -arg-check = $(filter-out $(subst $(space),$(space_escape),$(strip $(cmd_$@))), \ +cmd-check = $(filter-out $(subst $(space),$(space_escape),$(strip $(cmd_$@))), \ $(subst $(space),$(space_escape),$(strip $(cmd_$1)))) else -arg-check = $(if $(strip $(cmd_$@)),,1) +cmd-check = $(if $(strip $(cmd_$@)),,1) endif # Replace >$< with >$$< to preserve $ when reloading the .cmd file @@ -231,15 +225,15 @@ make-cmd = $(call escsq,$(subst $(pound),$$(pound),$(subst $$,$$$$,$(cmd_$(1)))) # Find any prerequisites that is newer than target or that does not exist. # PHONY targets skipped in both cases. -any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^) +any-prereq = $(filter-out $(PHONY),$?)$(filter-out $(PHONY) $(wildcard $^),$^) # Execute command if command has changed or prerequisite(s) are updated. -if_changed = $(if $(strip $(any-prereq) $(arg-check)), \ +if_changed = $(if $(any-prereq)$(cmd-check), \ $(cmd); \ printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd, @:) # Execute the command and also postprocess generated .d dependencies file. -if_changed_dep = $(if $(strip $(any-prereq) $(arg-check)),$(cmd_and_fixdep),@:) +if_changed_dep = $(if $(any-prereq)$(cmd-check),$(cmd_and_fixdep),@:) cmd_and_fixdep = \ $(cmd); \ @@ -249,7 +243,7 @@ cmd_and_fixdep = \ # Usage: $(call if_changed_rule,foo) # Will check if $(cmd_foo) or any of the prerequisites changed, # and if so will execute $(rule_foo). -if_changed_rule = $(if $(strip $(any-prereq) $(arg-check)),$(rule_$(1)),@:) +if_changed_rule = $(if $(any-prereq)$(cmd-check),$(rule_$(1)),@:) ### # why - tell why a target got built @@ -274,8 +268,8 @@ ifeq ($(KBUILD_VERBOSE),2) why = \ $(if $(filter $@, $(PHONY)),- due to target is PHONY, \ $(if $(wildcard $@), \ - $(if $(strip $(any-prereq)),- due to: $(any-prereq), \ - $(if $(arg-check), \ + $(if $(any-prereq),- due to: $(any-prereq), \ + $(if $(cmd-check), \ $(if $(cmd_$@),- due to command line change, \ $(if $(filter $@, $(targets)), \ - due to missing .cmd file, \ diff --git a/scripts/Makefile b/scripts/Makefile index 9d442ee050bd..16bcb8087899 100644 --- a/scripts/Makefile +++ b/scripts/Makefile @@ -31,11 +31,6 @@ always := $(hostprogs-y) $(hostprogs-m) # The following hostprogs-y programs are only build on demand hostprogs-y += unifdef -# These targets are used internally to avoid "is up to date" messages -PHONY += build_unifdef -build_unifdef: $(obj)/unifdef - @: - subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins subdir-$(CONFIG_MODVERSIONS) += genksyms subdir-$(CONFIG_SECURITY_SELINUX) += selinux diff --git a/scripts/Makefile.build b/scripts/Makefile.build index ae9cf740633e..be38198d98b2 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -294,6 +294,15 @@ quiet_cmd_cc_lst_c = MKLST $@ $(obj)/%.lst: $(src)/%.c FORCE $(call if_changed_dep,cc_lst_c) +# header test (header-test-y target) +# --------------------------------------------------------------------------- + +quiet_cmd_cc_s_h = CC $@ + cmd_cc_s_h = $(CC) $(c_flags) -S -o $@ -x c /dev/null -include $< + +$(obj)/%.h.s: $(src)/%.h FORCE + $(call if_changed_dep,cc_s_h) + # Compile assembler sources (.S) # --------------------------------------------------------------------------- @@ -504,7 +513,7 @@ existing-targets := $(wildcard $(sort $(targets))) -include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) -ifneq ($(srctree),.) +ifdef building_out_of_srctree # Create directories for object files if they do not exist obj-dirs := $(sort $(obj) $(patsubst %/,%, $(dir $(targets)))) # If targets exist, their directories apparently exist. Skip mkdir. diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index 3ab8d1a303cd..a74ce2e3c33e 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -34,7 +34,6 @@ warning-1 += $(call cc-option, -Wstringop-truncation) warning-1 += -Wno-missing-field-initializers warning-1 += -Wno-sign-compare -warning-2 := -Waggregate-return warning-2 += -Wcast-align warning-2 += -Wdisabled-optimization warning-2 += -Wnested-externs @@ -68,10 +67,8 @@ else ifdef CONFIG_CC_IS_CLANG KBUILD_CFLAGS += -Wno-initializer-overrides -KBUILD_CFLAGS += -Wno-unused-value KBUILD_CFLAGS += -Wno-format KBUILD_CFLAGS += -Wno-sign-compare KBUILD_CFLAGS += -Wno-format-zero-length -KBUILD_CFLAGS += -Wno-uninitialized endif endif diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst index 3d1ebaabd1b6..1b405a7ed14f 100644 --- a/scripts/Makefile.headersinst +++ b/scripts/Makefile.headersinst @@ -14,109 +14,89 @@ __headers: include scripts/Kbuild.include -srcdir := $(srctree)/$(obj) +src := $(srctree)/$(obj) +gen := $(objtree)/$(subst include/,include/generated/,$(obj)) +dst := usr/include -# When make is run under a fakechroot environment, the function -# $(wildcard $(srcdir)/*/.) doesn't only return directories, but also regular -# files. So, we are using a combination of sort/dir/wildcard which works -# with fakechroot. -subdirs := $(patsubst $(srcdir)/%/,%,\ - $(filter-out $(srcdir)/,\ - $(sort $(dir $(wildcard $(srcdir)/*/))))) +-include $(src)/Kbuild -# Recursion -__headers: $(subdirs) +# $(filter %/, ...) is a workaround for GNU Make <= 4.2.1, where +# $(wildcard $(src)/*/) contains not only directories but also regular files. +src-subdirs := $(patsubst $(src)/%/,%,$(filter %/, $(wildcard $(src)/*/))) +gen-subdirs := $(patsubst $(gen)/%/,%,$(filter %/, $(wildcard $(gen)/*/))) +all-subdirs := $(sort $(src-subdirs) $(gen-subdirs)) -PHONY += $(subdirs) -$(subdirs): - $(Q)$(MAKE) $(hdr-inst)=$(obj)/$@ dst=$(dst)/$@ +src-headers := $(if $(src-subdirs), $(shell cd $(src) && find $(src-subdirs) -name '*.h')) +src-headers := $(filter-out $(no-export-headers), $(src-headers)) +gen-headers := $(if $(gen-subdirs), $(shell cd $(gen) && find $(gen-subdirs) -name '*.h')) +gen-headers := $(filter-out $(no-export-headers), $(gen-headers)) -# Skip header install/check for include/uapi and arch/$(SRCARCH)/include/uapi. -# We have only sub-directories there. -skip-inst := $(if $(filter %/uapi,$(obj)),1) +# If the same header is exported from source and generated directories, +# the former takes precedence, but this should be warned. +duplicated := $(filter $(gen-headers), $(src-headers)) +$(if $(duplicated), $(warning duplicated header export: $(duplicated))) -ifeq ($(skip-inst),) +gen-headers := $(filter-out $(duplicated), $(gen-headers)) -# Kbuild file is optional -kbuild-file := $(srctree)/$(obj)/Kbuild --include $(kbuild-file) +# Add dst path prefix +all-subdirs := $(addprefix $(dst)/, $(all-subdirs)) +src-headers := $(addprefix $(dst)/, $(src-headers)) +gen-headers := $(addprefix $(dst)/, $(gen-headers)) +all-headers := $(src-headers) $(gen-headers) -installdir := $(INSTALL_HDR_PATH)/$(dst) -gendir := $(objtree)/$(subst include/,include/generated/,$(obj)) -header-files := $(notdir $(wildcard $(srcdir)/*.h)) -header-files := $(filter-out $(no-export-headers), $(header-files)) -genhdr-files := $(notdir $(wildcard $(gendir)/*.h)) -genhdr-files := $(filter-out $(header-files), $(genhdr-files)) +# Work out what needs to be removed +old-subdirs := $(wildcard $(all-subdirs)) +old-headers := $(if $(old-subdirs),$(shell find $(old-subdirs) -name '*.h')) +unwanted := $(filter-out $(all-headers), $(old-headers)) -# files used to track state of install/check -install-file := $(installdir)/.install -check-file := $(installdir)/.check +# Create directories +existing-dirs := $(sort $(dir $(old-headers))) +wanted-dirs := $(sort $(dir $(all-headers))) +new-dirs := $(filter-out $(existing-dirs), $(wanted-dirs)) +$(if $(new-dirs), $(shell mkdir -p $(new-dirs))) -# all headers files for this dir -all-files := $(header-files) $(genhdr-files) -output-files := $(addprefix $(installdir)/, $(all-files)) +# Rules -# Work out what needs to be removed -oldheaders := $(patsubst $(installdir)/%,%,$(wildcard $(installdir)/*.h)) -unwanted := $(filter-out $(all-files),$(oldheaders)) +ifndef HDRCHECK -# Prefix unwanted with full paths to $(INSTALL_HDR_PATH) -unwanted-file := $(addprefix $(installdir)/, $(unwanted)) +quiet_cmd_install = HDRINST $@ + cmd_install = $(CONFIG_SHELL) $(srctree)/scripts/headers_install.sh $< $@ -printdir = $(patsubst $(INSTALL_HDR_PATH)/%/,%,$(dir $@)) +$(src-headers): $(dst)/%.h: $(src)/%.h $(srctree)/scripts/headers_install.sh FORCE + $(call if_changed,install) -quiet_cmd_install = INSTALL $(printdir) ($(words $(all-files))\ - file$(if $(word 2, $(all-files)),s)) - cmd_install = \ - $(CONFIG_SHELL) $< $(installdir) $(srcdir) $(header-files); \ - $(CONFIG_SHELL) $< $(installdir) $(gendir) $(genhdr-files); \ - touch $@ +$(gen-headers): $(dst)/%.h: $(gen)/%.h $(srctree)/scripts/headers_install.sh FORCE + $(call if_changed,install) quiet_cmd_remove = REMOVE $(unwanted) - cmd_remove = rm -f $(unwanted-file) - -quiet_cmd_check = CHECK $(printdir) ($(words $(all-files)) files) -# Headers list can be pretty long, xargs helps to avoid -# the "Argument list too long" error. - cmd_check = for f in $(all-files); do \ - echo "$(installdir)/$${f}"; done \ - | xargs \ - $(PERL) $< $(INSTALL_HDR_PATH)/include $(SRCARCH); \ - touch $@ + cmd_remove = rm -f $(unwanted) -ifndef HDRCHECK -# Rules for installing headers -__headers: $(install-file) +__headers: $(all-headers) +ifneq ($(unwanted),) + $(call cmd,remove) +endif @: -targets += $(install-file) -$(install-file): scripts/headers_install.sh \ - $(addprefix $(srcdir)/,$(header-files)) \ - $(addprefix $(gendir)/,$(genhdr-files)) FORCE - $(if $(unwanted),$(call cmd,remove),) - $(if $(wildcard $(dir $@)),,$(shell mkdir -p $(dir $@))) - $(call if_changed,install) +existing-headers := $(filter $(old-headers), $(all-headers)) + +-include $(foreach f,$(existing-headers),$(dir $(f)).$(notdir $(f)).cmd) else -__headers: $(check-file) - @: -targets += $(check-file) -$(check-file): scripts/headers_check.pl $(output-files) FORCE - $(call if_changed,check) +quiet_cmd_check = HDRCHK $< + cmd_check = $(PERL) $(srctree)/scripts/headers_check.pl $(dst) $(SRCARCH) $<; touch $@ -endif +check-files := $(addsuffix .chk, $(all-headers)) -cmd_files := $(wildcard \ - $(foreach f,$(sort $(targets)),$(dir $(f)).$(notdir $(f)).cmd)) +$(check-files): $(dst)/%.chk : $(dst)/% $(srctree)/scripts/headers_check.pl + $(call cmd,check) -ifneq ($(cmd_files),) - include $(cmd_files) -endif +__headers: $(check-files) + @: -endif # skip-inst +endif PHONY += FORCE -FORCE: ; +FORCE: .PHONY: $(PHONY) diff --git a/scripts/Makefile.host b/scripts/Makefile.host index a316d368b697..2208ebbd8c4c 100644 --- a/scripts/Makefile.host +++ b/scripts/Makefile.host @@ -69,7 +69,7 @@ _hostcxx_flags = $(KBUILD_HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \ # $(objtree)/$(obj) for including generated headers from checkin source files ifeq ($(KBUILD_EXTMOD),) -ifneq ($(srctree),.) +ifdef building_out_of_srctree _hostc_flags += -I $(objtree)/$(obj) _hostcxx_flags += -I $(objtree)/$(obj) endif diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index f1f38c8cdc74..6cb3aa5cbc79 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -66,6 +66,20 @@ extra-y += $(patsubst %.dtb,%.dt.yaml, $(dtb-y)) extra-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtb,%.dt.yaml, $(dtb-)) endif +# Test self-contained headers + +# Wildcard searches in $(srctree)/$(src)/, but not in $(objtree)/$(obj)/. +# Stale generated headers are often left over, so pattern matching should +# be avoided. Please notice $(srctree)/$(src)/ and $(objtree)/$(obj) point +# to the same location for in-tree building. So, header-test-pattern-y should +# be used with care. +header-test-y += $(filter-out $(header-test-), \ + $(patsubst $(srctree)/$(src)/%, %, \ + $(wildcard $(addprefix $(srctree)/$(src)/, \ + $(header-test-pattern-y))))) + +extra-$(CONFIG_HEADER_TEST) += $(addsuffix .s, $(header-test-y)) + # Add subdir path extra-y := $(addprefix $(obj)/,$(extra-y)) @@ -140,7 +154,7 @@ endif # $(srctree)/$(src) for including checkin headers from generated source files # $(objtree)/$(obj) for including generated headers from checkin source files ifeq ($(KBUILD_EXTMOD),) -ifneq ($(srctree),.) +ifdef building_out_of_srctree _c_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj) _a_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj) _cpp_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj) @@ -331,19 +345,19 @@ printf "%08x\n" $$dec_size | \ ) quiet_cmd_bzip2 = BZIP2 $@ - cmd_bzip2 = { cat $(real-prereqs) | bzip2 -9 && $(size_append); } > $@ + cmd_bzip2 = { cat $(real-prereqs) | bzip2 -9; $(size_append); } > $@ # Lzma # --------------------------------------------------------------------------- quiet_cmd_lzma = LZMA $@ - cmd_lzma = { cat $(real-prereqs) | lzma -9 && $(size_append); } > $@ + cmd_lzma = { cat $(real-prereqs) | lzma -9; $(size_append); } > $@ quiet_cmd_lzo = LZO $@ - cmd_lzo = { cat $(real-prereqs) | lzop -9 && $(size_append); } > $@ + cmd_lzo = { cat $(real-prereqs) | lzop -9; $(size_append); } > $@ quiet_cmd_lz4 = LZ4 $@ - cmd_lz4 = { cat $(real-prereqs) | lz4c -l -c1 stdin stdout && \ + cmd_lz4 = { cat $(real-prereqs) | lz4c -l -c1 stdin stdout; \ $(size_append); } > $@ # U-Boot mkimage @@ -386,7 +400,7 @@ quiet_cmd_uimage = UIMAGE $@ # big dictionary would increase the memory usage too much in the multi-call # decompression mode. A BCJ filter isn't used either. quiet_cmd_xzkern = XZKERN $@ - cmd_xzkern = { cat $(real-prereqs) | sh $(srctree)/scripts/xz_wrap.sh && \ + cmd_xzkern = { cat $(real-prereqs) | sh $(srctree)/scripts/xz_wrap.sh; \ $(size_append); } > $@ quiet_cmd_xzmisc = XZMISC $@ diff --git a/scripts/Makefile.modbuiltin b/scripts/Makefile.modbuiltin index ea90a90b41a0..50a9990760f3 100644 --- a/scripts/Makefile.modbuiltin +++ b/scripts/Makefile.modbuiltin @@ -15,7 +15,7 @@ include include/config/tristate.conf include scripts/Kbuild.include -ifneq ($(srctree),.) +ifdef building_out_of_srctree # Create output directory if not already present _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) endif diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c index facbd603adf6..9ba47b0a47b9 100644 --- a/scripts/basic/fixdep.c +++ b/scripts/basic/fixdep.c @@ -99,6 +99,7 @@ #include <unistd.h> #include <fcntl.h> #include <string.h> +#include <stdarg.h> #include <stdlib.h> #include <stdio.h> #include <ctype.h> @@ -110,13 +111,43 @@ static void usage(void) } /* + * In the intended usage of this program, the stdout is redirected to .*.cmd + * files. The return value of printf() and putchar() must be checked to catch + * any error, e.g. "No space left on device". + */ +static void xprintf(const char *format, ...) +{ + va_list ap; + int ret; + + va_start(ap, format); + ret = vprintf(format, ap); + if (ret < 0) { + perror("fixdep"); + exit(1); + } + va_end(ap); +} + +static void xputchar(int c) +{ + int ret; + + ret = putchar(c); + if (ret == EOF) { + perror("fixdep"); + exit(1); + } +} + +/* * Print out a dependency path from a symbol name */ static void print_dep(const char *m, int slen, const char *dir) { int c, prev_c = '/', i; - printf(" $(wildcard %s/", dir); + xprintf(" $(wildcard %s/", dir); for (i = 0; i < slen; i++) { c = m[i]; if (c == '_') @@ -124,10 +155,10 @@ static void print_dep(const char *m, int slen, const char *dir) else c = tolower(c); if (c != '/' || prev_c != '/') - putchar(c); + xputchar(c); prev_c = c; } - printf(".h) \\\n"); + xprintf(".h) \\\n"); } struct item { @@ -324,13 +355,13 @@ static void parse_dep_file(char *m, const char *target) */ if (!saw_any_target) { saw_any_target = 1; - printf("source_%s := %s\n\n", - target, m); - printf("deps_%s := \\\n", target); + xprintf("source_%s := %s\n\n", + target, m); + xprintf("deps_%s := \\\n", target); } is_first_dep = 0; } else { - printf(" %s \\\n", m); + xprintf(" %s \\\n", m); } buf = read_file(m); @@ -353,8 +384,8 @@ static void parse_dep_file(char *m, const char *target) exit(1); } - printf("\n%s: $(deps_%s)\n\n", target, target); - printf("$(deps_%s):\n", target); + xprintf("\n%s: $(deps_%s)\n\n", target, target); + xprintf("$(deps_%s):\n", target); } int main(int argc, char *argv[]) @@ -369,7 +400,7 @@ int main(int argc, char *argv[]) target = argv[2]; cmdline = argv[3]; - printf("cmd_%s := %s\n\n", target, cmdline); + xprintf("cmd_%s := %s\n\n", target, cmdline); buf = read_file(depfile); parse_dep_file(buf, target); diff --git a/scripts/coccinelle/api/kstrdup.cocci b/scripts/coccinelle/api/kstrdup.cocci index 888bf43df07e..19f2645e6076 100644 --- a/scripts/coccinelle/api/kstrdup.cocci +++ b/scripts/coccinelle/api/kstrdup.cocci @@ -77,7 +77,7 @@ p1 << r1.p1; p2 << r1.p2; @@ -cocci.print_main("WARNING opportunity for kstrdep",p1) +cocci.print_main("WARNING opportunity for kstrdup",p1) cocci.print_secs("strcpy",p2) @script:python depends on org@ @@ -85,7 +85,7 @@ p1 << r2.p1; p2 << r2.p2; @@ -cocci.print_main("WARNING opportunity for kstrdep",p1) +cocci.print_main("WARNING opportunity for kstrdup",p1) cocci.print_secs("memcpy",p2) @script:python depends on report@ @@ -93,7 +93,7 @@ p1 << r1.p1; p2 << r1.p2; @@ -msg = "WARNING opportunity for kstrdep (strcpy on line %s)" % (p2[0].line) +msg = "WARNING opportunity for kstrdup (strcpy on line %s)" % (p2[0].line) coccilib.report.print_report(p1[0], msg) @script:python depends on report@ @@ -101,5 +101,5 @@ p1 << r2.p1; p2 << r2.p2; @@ -msg = "WARNING opportunity for kstrdep (memcpy on line %s)" % (p2[0].line) +msg = "WARNING opportunity for kstrdup (memcpy on line %s)" % (p2[0].line) coccilib.report.print_report(p1[0], msg) diff --git a/scripts/coccinelle/api/stream_open.cocci b/scripts/coccinelle/api/stream_open.cocci index 350145da7669..12ce18fa6b74 100644 --- a/scripts/coccinelle/api/stream_open.cocci +++ b/scripts/coccinelle/api/stream_open.cocci @@ -35,11 +35,11 @@ type loff_t; // a function that blocks @ blocks @ identifier block_f; -identifier wait_event =~ "^wait_event_.*"; +identifier wait =~ "^wait_.*"; @@ block_f(...) { ... when exists - wait_event(...) + wait(...) ... when exists } @@ -49,12 +49,12 @@ identifier wait_event =~ "^wait_event_.*"; // XXX currently reader_blocks supports only direct and 1-level indirect cases. @ reader_blocks_direct @ identifier stream_reader.readstream; -identifier wait_event =~ "^wait_event_.*"; +identifier wait =~ "^wait_.*"; @@ readstream(...) { ... when exists - wait_event(...) + wait(...) ... when exists } diff --git a/scripts/coccinelle/free/put_device.cocci b/scripts/coccinelle/free/put_device.cocci index c9f071b0a0ab..120921366e84 100644 --- a/scripts/coccinelle/free/put_device.cocci +++ b/scripts/coccinelle/free/put_device.cocci @@ -24,7 +24,7 @@ if (id == NULL || ...) { ... return ...; } when != of_dev_put(id) when != if (id) { ... put_device(&id->dev) ... } when != e1 = (T)id - when != e1 = &id->dev + when != e1 = (T)(&id->dev) when != e1 = get_device(&id->dev) when != e1 = (T1)platform_get_drvdata(id) ( @@ -42,11 +42,10 @@ p1 << search.p1; p2 << search.p2; @@ -coccilib.report.print_report(p2[0], "ERROR: missing put_device; " - + "call of_find_device_by_node on line " - + p1[0].line - + ", but without a corresponding object release " - + "within this function.") +coccilib.report.print_report(p2[0], + "ERROR: missing put_device; call of_find_device_by_node on line " + + p1[0].line + + ", but without a corresponding object release within this function.") @script:python depends on org@ p1 << search.p1; diff --git a/scripts/gdb/linux/Makefile b/scripts/gdb/linux/Makefile index 9fd3d8ed731a..124755087510 100644 --- a/scripts/gdb/linux/Makefile +++ b/scripts/gdb/linux/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 -ifneq ($(srctree),.) +ifdef building_out_of_srctree symlinks := $(patsubst $(srctree)/$(src)/%,%,$(wildcard $(srctree)/$(src)/*.py)) diff --git a/scripts/genksyms/keywords.c b/scripts/genksyms/keywords.c index e93336baaaed..c586d32dd2c3 100644 --- a/scripts/genksyms/keywords.c +++ b/scripts/genksyms/keywords.c @@ -25,6 +25,10 @@ static struct resword { { "__volatile__", VOLATILE_KEYW }, { "__builtin_va_list", VA_LIST_KEYW }, + { "__int128", BUILTIN_INT_KEYW }, + { "__int128_t", BUILTIN_INT_KEYW }, + { "__uint128_t", BUILTIN_INT_KEYW }, + // According to rth, c99 defines "_Bool", __restrict", __restrict__", "restrict". KAO { "_Bool", BOOL_KEYW }, { "_restrict", RESTRICT_KEYW }, diff --git a/scripts/genksyms/parse.y b/scripts/genksyms/parse.y index 00a6d7e54971..1ebcf52cd0f9 100644 --- a/scripts/genksyms/parse.y +++ b/scripts/genksyms/parse.y @@ -76,6 +76,7 @@ static void record_compound(struct string_list **keyw, %token ATTRIBUTE_KEYW %token AUTO_KEYW %token BOOL_KEYW +%token BUILTIN_INT_KEYW %token CHAR_KEYW %token CONST_KEYW %token DOUBLE_KEYW @@ -263,6 +264,7 @@ simple_type_specifier: | VOID_KEYW | BOOL_KEYW | VA_LIST_KEYW + | BUILTIN_INT_KEYW | TYPE { (*$1)->tag = SYM_TYPEDEF; $$ = $1; } ; diff --git a/scripts/headers.sh b/scripts/headers.sh deleted file mode 100755 index e0f883eb39a2..000000000000 --- a/scripts/headers.sh +++ /dev/null @@ -1,29 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 -# Run headers_$1 command for all suitable architectures - -# Stop on error -set -e - -do_command() -{ - if [ -f ${srctree}/arch/$2/include/asm/Kbuild ]; then - make ARCH=$2 KBUILD_HEADERS=$1 headers_$1 - else - printf "Ignoring arch: %s\n" ${arch} - fi -} - -archs=${HDR_ARCH_LIST:-$(ls ${srctree}/arch)} - -for arch in ${archs}; do - case ${arch} in - um) # no userspace export - ;; - *) - if [ -d ${srctree}/arch/${arch} ]; then - do_command $1 ${arch} - fi - ;; - esac -done diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh index 593f8879c641..47f6f3ea0771 100755 --- a/scripts/headers_install.sh +++ b/scripts/headers_install.sh @@ -1,47 +1,39 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 -if [ $# -lt 2 ] +if [ $# -ne 2 ] then - echo "Usage: headers_install.sh OUTDIR SRCDIR [FILES...]" + echo "Usage: headers_install.sh INFILE OUTFILE" echo echo "Prepares kernel header files for use by user space, by removing" echo "all compiler.h definitions and #includes, removing any" echo "#ifdef __KERNEL__ sections, and putting __underscores__ around" echo "asm/inline/volatile keywords." echo - echo "OUTDIR: directory to write each userspace header FILE to." - echo "SRCDIR: source directory where files are picked." - echo "FILES: list of header files to operate on." + echo "INFILE: header file to operate on" + echo "OUTFILE: output file which the processed header is writen to" exit 1 fi # Grab arguments +INFILE=$1 +OUTFILE=$2 +TMPFILE=$OUTFILE.tmp -OUTDIR="$1" -shift -SRCDIR="$1" -shift +trap 'rm -f $OUTFILE $TMPFILE' EXIT -# Iterate through files listed on command line +sed -E -e ' + s/([[:space:](])(__user|__force|__iomem)[[:space:]]/\1/g + s/__attribute_const__([[:space:]]|$)/\1/g + s@^#include <linux/compiler(|_types).h>@@ + s/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g + s/(^|[[:space:](])(inline|asm|volatile)([[:space:](]|$)/\1__\2__\3/g + s@#(ifndef|define|endif[[:space:]]*/[*])[[:space:]]*_UAPI@#\1 @ +' $INFILE > $TMPFILE || exit 1 -FILE= -trap 'rm -f "$OUTDIR/$FILE" "$OUTDIR/$FILE.sed"' EXIT -for i in "$@" -do - FILE="$(basename "$i")" - sed -E \ - -e 's/([[:space:](])(__user|__force|__iomem)[[:space:]]/\1/g' \ - -e 's/__attribute_const__([[:space:]]|$)/\1/g' \ - -e 's@^#include <linux/compiler(|_types).h>@@' \ - -e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \ - -e 's/(^|[[:space:](])(inline|asm|volatile)([[:space:](]|$)/\1__\2__\3/g' \ - -e 's@#(ifndef|define|endif[[:space:]]*/[*])[[:space:]]*_UAPI@#\1 @' \ - "$SRCDIR/$i" > "$OUTDIR/$FILE.sed" || exit 1 - scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ "$OUTDIR/$FILE.sed" \ - > "$OUTDIR/$FILE" - [ $? -gt 1 ] && exit 1 - rm -f "$OUTDIR/$FILE.sed" -done +scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ $TMPFILE > $OUTFILE +[ $? -gt 1 ] && exit 1 + +rm -f $TMPFILE trap - EXIT diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index e17837f1d3f2..ae6504d07fd6 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -150,6 +150,9 @@ static int read_symbol(FILE *in, struct sym_entry *s) /* exclude debugging symbols */ else if (stype == 'N' || stype == 'n') return -1; + /* exclude s390 kasan local symbols */ + else if (!strncmp(sym, ".LASANPC", 8)) + return -1; /* include the type field in the symbol name, so that it gets * compressed together */ diff --git a/scripts/package/builddeb b/scripts/package/builddeb index b03dd56a4782..e8ca6dc97e96 100755 --- a/scripts/package/builddeb +++ b/scripts/package/builddeb @@ -130,7 +130,7 @@ if is_enabled CONFIG_MODULES; then fi if [ "$ARCH" != "um" ]; then - $MAKE -f $srctree/Makefile headers_check + $MAKE -f $srctree/Makefile headers $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH="$libc_headers_dir/usr" fi diff --git a/scripts/package/mkspec b/scripts/package/mkspec index 009147d4718e..2d29df4a0a53 100755 --- a/scripts/package/mkspec +++ b/scripts/package/mkspec @@ -31,7 +31,7 @@ PROVIDES="$PROVIDES kernel-$KERNELRELEASE" __KERNELRELEASE=$(echo $KERNELRELEASE | sed -e "s/-/_/g") EXCLUDES="$RCS_TAR_IGNORE --exclude=.tmp_versions --exclude=*vmlinux* \ --exclude=*.o --exclude=*.ko --exclude=*.cmd --exclude=Documentation \ ---exclude=.config.old --exclude=.missing-syscalls.d" +--exclude=.config.old --exclude=.missing-syscalls.d --exclude=*.s" # We can label the here-doc lines for conditional output to the spec file # diff --git a/scripts/tags.sh b/scripts/tags.sh index d46be47633af..4e18ae5282a6 100755 --- a/scripts/tags.sh +++ b/scripts/tags.sh @@ -6,7 +6,7 @@ # mode may be any of: tags, TAGS, cscope # # Uses the following environment variables: -# ARCH, SUBARCH, SRCARCH, srctree, src, obj +# SUBARCH, SRCARCH, srctree if [ "$KBUILD_VERBOSE" = "1" ]; then set -x @@ -17,8 +17,7 @@ ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )" # tags and cscope files should also ignore MODVERSION *.mod.c files ignore="$ignore ( -name *.mod.c ) -prune -o" -# Do not use full path if we do not use O=.. builds -# Use make O=. {tags|cscope} +# Use make KBUILD_ABS_SRCTREE=1 {tags|cscope} # to force full paths for a non-O= build if [ "${srctree}" = "." -o -z "${srctree}" ]; then tree= @@ -36,21 +35,19 @@ elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then ALLSOURCE_ARCHS=$(find ${tree}arch/ -mindepth 1 -maxdepth 1 -type d -printf '%f ') fi -# find sources in arch/$ARCH +# find sources in arch/$1 find_arch_sources() { for i in $archincludedir; do prune="$prune -wholename $i -prune -o" done - find ${tree}arch/$1 $ignore $subarchprune $prune -name "$2" \ - -not -type l -print; + find ${tree}arch/$1 $ignore $prune -name "$2" -not -type l -print; } # find sources in arch/$1/include find_arch_include_sources() { - include=$(find ${tree}arch/$1/ $subarchprune \ - -name include -type d -print); + include=$(find ${tree}arch/$1/ -name include -type d -print); if [ -n "$include" ]; then archincludedir="$archincludedir $include" find $include $ignore -name "$2" -not -type l -print; @@ -306,36 +303,6 @@ if [ "${ARCH}" = "um" ]; then else archinclude=${SUBARCH} fi -elif [ "${SRCARCH}" = "arm" -a "${SUBARCH}" != "" ]; then - subarchdir=$(find ${tree}arch/$SRCARCH/ -name "mach-*" -type d -o \ - -name "plat-*" -type d); - mach_suffix=$SUBARCH - plat_suffix=$SUBARCH - - # Special cases when $plat_suffix != $mach_suffix - case $mach_suffix in - "omap1" | "omap2") - plat_suffix="omap" - ;; - esac - - if [ ! -d ${tree}arch/$SRCARCH/mach-$mach_suffix ]; then - echo "Warning: arch/arm/mach-$mach_suffix/ not found." >&2 - echo " Fix your \$SUBARCH appropriately" >&2 - fi - - for i in $subarchdir; do - case "$i" in - *"mach-"${mach_suffix}) - ;; - *"plat-"${plat_suffix}) - ;; - *) - subarchprune="$subarchprune \ - -wholename $i -prune -o" - ;; - esac - done fi remove_structs= diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 9781ca79794a..25b43a8c2b15 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -74,7 +74,7 @@ endif # Append kselftest to KBUILD_OUTPUT to avoid cluttering # KBUILD_OUTPUT with selftest objects and headers installed # by selftests Makefile or lib.mk. -ifneq ($(KBUILD_SRC),) +ifdef building_out_of_srctree override LDFLAGS = endif diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 077337195783..1c8a1963d03f 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -70,7 +70,7 @@ define RUN_TESTS endef run_tests: all -ifneq ($(KBUILD_SRC),) +ifdef building_out_of_srctree @if [ "X$(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES)" != "X" ]; then @rsync -aq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT) fi @@ -125,7 +125,7 @@ clean: # When make O= with kselftest target from main level # the following aren't defined. # -ifneq ($(KBUILD_SRC),) +ifdef building_out_of_srctree LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) diff --git a/usr/.gitignore b/usr/.gitignore index 8e48117a3f3d..be5eae1df7eb 100644 --- a/usr/.gitignore +++ b/usr/.gitignore @@ -7,4 +7,3 @@ initramfs_data.cpio.gz initramfs_data.cpio.bz2 initramfs_data.cpio.lzma initramfs_list -include diff --git a/usr/Makefile b/usr/Makefile index 4a70ae43c9cb..6a89eb019275 100644 --- a/usr/Makefile +++ b/usr/Makefile @@ -56,3 +56,5 @@ $(deps_initramfs): klibcdirs $(obj)/$(datafile_y): $(obj)/gen_init_cpio $(deps_initramfs) klibcdirs $(Q)$(initramfs) -l $(ramfs-input) > $(obj)/$(datafile_d_y) $(call if_changed,initfs) + +subdir-$(CONFIG_UAPI_HEADER_TEST) += include diff --git a/usr/include/.gitignore b/usr/include/.gitignore new file mode 100644 index 000000000000..a0991ff4402b --- /dev/null +++ b/usr/include/.gitignore @@ -0,0 +1,3 @@ +* +!.gitignore +!Makefile diff --git a/usr/include/Makefile b/usr/include/Makefile new file mode 100644 index 000000000000..cd8daa20d487 --- /dev/null +++ b/usr/include/Makefile @@ -0,0 +1,132 @@ +# SPDX-License-Identifier: GPL-2.0-only + +# Unlike the kernel space, exported headers are written in standard C. +# - Forbid C++ style comments +# - Use '__inline__', '__asm__' instead of 'inline', 'asm' +# +# -std=c90 (equivalent to -ansi) catches the violation of those. +# We cannot go as far as adding -Wpedantic since it emits too many warnings. +UAPI_CFLAGS := -std=c90 -Wall -Werror=implicit-function-declaration + +override c_flags = $(UAPI_CFLAGS) -Wp,-MD,$(depfile) -I$(objtree)/usr/include + +# The following are excluded for now because they fail to build. +# +# Do not add a new header to the blacklist without legitimate reason. +# Please consider to fix the header first. +# +# Sorted alphabetically. +header-test- += asm/ipcbuf.h +header-test- += asm/msgbuf.h +header-test- += asm/sembuf.h +header-test- += asm/shmbuf.h +header-test- += asm/signal.h +header-test- += asm/ucontext.h +header-test- += drm/vmwgfx_drm.h +header-test- += linux/am437x-vpfe.h +header-test- += linux/android/binder.h +header-test- += linux/android/binderfs.h +header-test-$(CONFIG_CPU_BIG_ENDIAN) += linux/byteorder/big_endian.h +header-test-$(CONFIG_CPU_LITTLE_ENDIAN) += linux/byteorder/little_endian.h +header-test- += linux/coda.h +header-test- += linux/coda_psdev.h +header-test- += linux/dvb/audio.h +header-test- += linux/dvb/osd.h +header-test- += linux/elfcore.h +header-test- += linux/errqueue.h +header-test- += linux/fsmap.h +header-test- += linux/hdlc/ioctl.h +header-test- += linux/ivtv.h +header-test- += linux/jffs2.h +header-test- += linux/kexec.h +header-test- += linux/matroxfb.h +header-test- += linux/netfilter_bridge/ebtables.h +header-test- += linux/netfilter_ipv4/ipt_LOG.h +header-test- += linux/netfilter_ipv6/ip6t_LOG.h +header-test- += linux/nfc.h +header-test- += linux/nilfs2_ondisk.h +header-test- += linux/omap3isp.h +header-test- += linux/omapfb.h +header-test- += linux/patchkey.h +header-test- += linux/phonet.h +header-test- += linux/reiserfs_xattr.h +header-test- += linux/scc.h +header-test- += linux/sctp.h +header-test- += linux/signal.h +header-test- += linux/sysctl.h +header-test- += linux/usb/audio.h +header-test- += linux/v4l2-mediabus.h +header-test- += linux/v4l2-subdev.h +header-test- += linux/videodev2.h +header-test- += linux/vm_sockets.h +header-test- += misc/ocxl.h +header-test- += mtd/mtd-abi.h +header-test- += mtd/mtd-user.h +header-test- += scsi/scsi_bsg_fc.h +header-test- += scsi/scsi_netlink.h +header-test- += scsi/scsi_netlink_fc.h +header-test- += sound/asequencer.h +header-test- += sound/asoc.h +header-test- += sound/asound.h +header-test- += sound/compress_offload.h +header-test- += sound/emu10k1.h +header-test- += sound/sfnt_info.h +header-test- += sound/sof/eq.h +header-test- += sound/sof/fw.h +header-test- += sound/sof/header.h +header-test- += sound/sof/manifest.h +header-test- += sound/sof/trace.h +header-test- += xen/evtchn.h +header-test- += xen/gntdev.h +header-test- += xen/privcmd.h + +# More headers are broken in some architectures + +ifeq ($(SRCARCH),arc) +header-test- += linux/bpf_perf_event.h +endif + +ifeq ($(SRCARCH),ia64) +header-test- += asm/setup.h +header-test- += asm/sigcontext.h +header-test- += asm/perfmon.h +header-test- += asm/perfmon_default_smpl.h +header-test- += linux/if_bonding.h +endif + +ifeq ($(SRCARCH),mips) +header-test- += asm/stat.h +endif + +ifeq ($(SRCARCH),powerpc) +header-test- += asm/stat.h +header-test- += linux/bpf_perf_event.h +endif + +ifeq ($(SRCARCH),riscv) +header-test- += linux/bpf_perf_event.h +endif + +ifeq ($(SRCARCH),s390) +header-test- += asm/runtime_instr.h +header-test- += asm/zcrypt.h +endif + +ifeq ($(SRCARCH),sparc) +header-test- += asm/stat.h +header-test- += asm/uctx.h +header-test- += asm/fbio.h +header-test- += asm/openpromio.h +endif + +# asm-generic/*.h is used by asm/*.h, and should not be included directly +header-test- += asm-generic/% + +# The rest are compile-tested +header-test-y += $(filter-out $(header-test-), \ + $(patsubst $(obj)/%,%, $(wildcard \ + $(addprefix $(obj)/, *.h */*.h */*/*.h */*/*/*.h)))) + +# For GNU Make <= 4.2.1, $(wildcard $(obj)/*/) matches to not only directories +# but also regular files. Use $(filter %/, ...) just in case. +clean-dirs += $(patsubst $(obj)/%/,%,$(filter %/, $(wildcard $(obj)/*/))) |