diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-27 09:59:59 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-27 09:59:59 -0700 |
commit | 6948385cbd83201fb933125c1a578b29b456605d (patch) | |
tree | fd08f30c84d02cfb1ad696d04605565974fae7be | |
parent | 7a76d89232f20411f32e7a79ccc1e2f95e9f826b (diff) | |
parent | 56b2f0706d82535fd8d85503f2dcc0be40c8e55d (diff) | |
download | op-kernel-dev-6948385cbd83201fb933125c1a578b29b456605d.zip op-kernel-dev-6948385cbd83201fb933125c1a578b29b456605d.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next: (25 commits)
setlocalversion: do not describe if there is nothing to describe
kconfig: fix typos: "Suport" -> "Support"
kconfig: make defconfig is no longer chatty
kconfig: make oldconfig is now less chatty
kconfig: speed up all*config + randconfig
kconfig: set all new symbols automatically
kconfig: add diffconfig utility
kbuild: remove Module.markers during mrproper
kbuild: sparse needs CF not CHECKFLAGS
kernel-doc: handle/strip __init
vmlinux.lds: move __attribute__((__cold__)) functions back into final .text section
init: fix URL of "The GNU Accounting Utilities"
kbuild: add arch/$ARCH/include to search path
kbuild: asm symlink support for arch/$ARCH/include
kbuild: support arch/$ARCH/include for tags, cscope
kbuild: prepare headers_* for arch/$ARCH/include
kbuild: install all headers when arch is changed
kbuild: make clean removes *.o.* as well
kbuild: optimize headers_* targets
kbuild: only one call for include/ in make headers_*
...
-rw-r--r-- | Documentation/sparse.txt | 8 | ||||
-rw-r--r-- | Kbuild | 3 | ||||
-rw-r--r-- | Makefile | 115 | ||||
-rw-r--r-- | drivers/misc/Kconfig | 2 | ||||
-rw-r--r-- | include/Kbuild | 5 | ||||
-rw-r--r-- | include/asm-generic/vmlinux.lds.h | 4 | ||||
-rw-r--r-- | init/Kconfig | 4 | ||||
-rw-r--r-- | scripts/Makefile.headersinst | 230 | ||||
-rwxr-xr-x | scripts/diffconfig | 129 | ||||
-rwxr-xr-x | scripts/hdrcheck.sh | 10 | ||||
-rwxr-xr-x | scripts/headers.sh | 41 | ||||
-rw-r--r-- | scripts/headers_check.pl | 56 | ||||
-rw-r--r-- | scripts/headers_install.pl | 45 | ||||
-rw-r--r-- | scripts/kconfig/conf.c | 161 | ||||
-rw-r--r-- | scripts/kconfig/confdata.c | 70 | ||||
-rw-r--r-- | scripts/kconfig/lkc.h | 9 | ||||
-rwxr-xr-x | scripts/kernel-doc | 1 | ||||
-rwxr-xr-x | scripts/setlocalversion | 4 |
18 files changed, 574 insertions, 323 deletions
diff --git a/Documentation/sparse.txt b/Documentation/sparse.txt index 1a3bdc2..42f43fa 100644 --- a/Documentation/sparse.txt +++ b/Documentation/sparse.txt @@ -73,10 +73,10 @@ recompiled, or use "make C=2" to run sparse on the files whether they need to be recompiled or not. The latter is a fast way to check the whole tree if you have already built it. -The optional make variable CHECKFLAGS can be used to pass arguments to sparse. -The build system passes -Wbitwise to sparse automatically. To perform -endianness checks, you may define __CHECK_ENDIAN__: +The optional make variable CF can be used to pass arguments to sparse. The +build system passes -Wbitwise to sparse automatically. To perform endianness +checks, you may define __CHECK_ENDIAN__: - make C=2 CHECKFLAGS="-D__CHECK_ENDIAN__" + make C=2 CF="-D__CHECK_ENDIAN__" These checks are disabled by default as they generate a host of warnings. @@ -43,7 +43,7 @@ $(obj)/$(bounds-file): kernel/bounds.s Kbuild # 2) Generate asm-offsets.h # -offsets-file := include/asm-$(SRCARCH)/asm-offsets.h +offsets-file := include/asm/asm-offsets.h always += $(offsets-file) targets += $(offsets-file) @@ -81,7 +81,6 @@ arch/$(SRCARCH)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c \ $(call if_changed_dep,cc_s_c) $(obj)/$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s Kbuild - $(Q)mkdir -p $(dir $@) $(call cmd,offsets) ##### @@ -205,6 +205,9 @@ ifeq ($(ARCH),x86_64) SRCARCH := x86 endif +# Where to locate arch specific headers +hdr-arch := $(SRCARCH) + KCONFIG_CONFIG ?= .config # SHELL used by kbuild @@ -326,7 +329,8 @@ AFLAGS_KERNEL = # Needed to be compatible with the O= option LINUXINCLUDE := -Iinclude \ $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) \ - -include include/linux/autoconf.h + -I$(srctree)/arch/$(hdr-arch)/include \ + -include include/linux/autoconf.h KBUILD_CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE) @@ -922,7 +926,9 @@ ifneq ($(KBUILD_SRC),) /bin/false; \ fi; $(Q)if [ ! -d include2 ]; then mkdir -p include2; fi; - $(Q)ln -fsn $(srctree)/include/asm-$(SRCARCH) include2/asm + $(Q)if [ -e $(srctree)/include/asm-$(SRCARCH)/system.h ]; then \ + ln -fsn $(srctree)/include/asm-$(SRCARCH) include2/asm; \ + fi endif # prepare2 creates a makefile if using a separate output directory @@ -948,22 +954,34 @@ export CPPFLAGS_vmlinux.lds += -P -C -U$(ARCH) # The asm symlink changes when $(ARCH) changes. # Detect this and ask user to run make mrproper - -include/asm: FORCE - $(Q)set -e; asmlink=`readlink include/asm | cut -d '-' -f 2`; \ - if [ -L include/asm ]; then \ - if [ "$$asmlink" != "$(SRCARCH)" ]; then \ +define check-symlink + set -e; \ + if [ -L include/asm ]; then \ + asmlink=`readlink include/asm | cut -d '-' -f 2`; \ + if [ "$$asmlink" != "$(SRCARCH)" ]; then \ echo "ERROR: the symlink $@ points to asm-$$asmlink but asm-$(SRCARCH) was expected"; \ echo " set ARCH or save .config and run 'make mrproper' to fix it"; \ - exit 1; \ - fi; \ - else \ - echo ' SYMLINK $@ -> include/asm-$(SRCARCH)'; \ - if [ ! -d include ]; then \ - mkdir -p include; \ - fi; \ - ln -fsn asm-$(SRCARCH) $@; \ + exit 1; \ + fi; \ fi +endef + +# We create the target directory of the symlink if it does +# not exist so the test in chack-symlink works and we have a +# directory for generated filesas used by some architectures. +define create-symlink + if [ ! -L include/asm ]; then \ + echo ' SYMLINK $@ -> include/asm-$(SRCARCH)'; \ + if [ ! -d include/asm-$(SRCARCH) ]; then \ + mkdir -p include/asm-$(SRCARCH); \ + fi; \ + ln -fsn asm-$(SRCARCH) $@; \ + fi +endef + +include/asm: FORCE + $(Q)$(check-symlink) + $(Q)$(create-symlink) # Generate some files # --------------------------------------------------------------------------- @@ -1010,36 +1028,43 @@ firmware_install: FORCE # --------------------------------------------------------------------------- # Kernel headers -INSTALL_HDR_PATH=$(objtree)/usr -export INSTALL_HDR_PATH -HDRFILTER=generic i386 x86_64 -HDRARCHES=$(filter-out $(HDRFILTER),$(patsubst $(srctree)/include/asm-%/Kbuild,%,$(wildcard $(srctree)/include/asm-*/Kbuild))) +#Default location for installed headers +export INSTALL_HDR_PATH = $(objtree)/usr -PHONY += headers_install_all -headers_install_all: include/linux/version.h scripts_basic FORCE +hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj +# Find out where the Kbuild file is located to support +# arch/$(ARCH)/include/asm +hdr-dir = $(strip \ + $(if $(wildcard $(srctree)/arch/$(hdr-arch)/include/asm/Kbuild), \ + arch/$(hdr-arch)/include/asm, include/asm-$(hdr-arch))) + +# If we do an all arch process set dst to asm-$(hdr-arch) +hdr-dst = $(if $(KBUILD_HEADERS), dst=include/asm-$(hdr-arch), dst=include/asm) + +PHONY += __headers +__headers: include/linux/version.h scripts_basic FORCE $(Q)$(MAKE) $(build)=scripts scripts/unifdef - $(Q)for arch in $(HDRARCHES); do \ - $(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch ;\ - done + +PHONY += headers_install_all +headers_install_all: + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh install PHONY += headers_install -headers_install: include/linux/version.h scripts_basic FORCE - @if [ ! -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \ - echo '*** Error: Headers not exportable for this architecture ($(SRCARCH))'; \ - exit 1 ; fi - $(Q)$(MAKE) $(build)=scripts scripts/unifdef - $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst ARCH=$(SRCARCH) obj=include +headers_install: __headers + $(if $(wildcard $(srctree)/$(hdr-dir)/Kbuild),, \ + $(error Headers not exportable for the $(SRCARCH) architecture)) + $(Q)$(MAKE) $(hdr-inst)=include + $(Q)$(MAKE) $(hdr-inst)=$(hdr-dir) $(hdr-dst) PHONY += headers_check_all headers_check_all: headers_install_all - $(Q)for arch in $(HDRARCHES); do \ - $(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch HDRCHECK=1 ;\ - done + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh check PHONY += headers_check headers_check: headers_install - $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst ARCH=$(SRCARCH) obj=include HDRCHECK=1 + $(Q)$(MAKE) $(hdr-inst)=include HDRCHECK=1 + $(Q)$(MAKE) $(hdr-inst)=$(hdr-dir) $(hdr-dst) HDRCHECK=1 # --------------------------------------------------------------------------- # Modules @@ -1131,7 +1156,7 @@ MRPROPER_FILES += .config .config.old include/asm .version .old_version \ include/linux/autoconf.h include/linux/version.h \ include/linux/utsrelease.h \ include/linux/bounds.h include/asm*/asm-offsets.h \ - Module.symvers tags TAGS cscope* + Module.symvers Module.markers tags TAGS cscope* # clean - Delete most, but leave enough to build external modules # @@ -1150,7 +1175,7 @@ clean: archclean $(clean-dirs) \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ -o -name '*.symtypes' -o -name 'modules.order' \ - -o -name 'Module.markers' \) \ + -o -name 'Module.markers' -o -name '.tmp_*.o.*' \) \ -type f -print | xargs rm -f # mrproper - Delete all generated files, including .config @@ -1224,21 +1249,17 @@ help: @echo ' cscope - Generate cscope index' @echo ' kernelrelease - Output the release version string' @echo ' kernelversion - Output the version stored in Makefile' - @if [ -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \ - echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \ + @echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \ echo ' (default: $(INSTALL_HDR_PATH))'; \ - fi - @echo '' + echo '' @echo 'Static analysers' @echo ' checkstack - Generate a list of stack hogs' @echo ' namespacecheck - Name space analysis on compiled kernel' @echo ' versioncheck - Sanity check on version.h usage' @echo ' includecheck - Check for duplicate included header files' @echo ' export_report - List the usages of all exported symbols' - @if [ -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \ - echo ' headers_check - Sanity check on exported headers'; \ - fi - @echo '' + @echo ' headers_check - Sanity check on exported headers'; \ + echo '' @echo 'Kernel packaging:' @$(MAKE) $(build)=$(package-dir) help @echo '' @@ -1411,7 +1432,11 @@ define find-sources \( -name config -o -name 'asm-*' \) -prune \ -o -name $1 -print; \ for arch in $(ALLINCLUDE_ARCHS) ; do \ - find $(__srctree)include/asm-$${arch} $(RCS_FIND_IGNORE) \ + test -e $(__srctree)include/asm-$${arch} && \ + find $(__srctree)include/asm-$${arch} $(RCS_FIND_IGNORE) \ + -name $1 -print; \ + test -e $(__srctree)arch/$${arch}/include/asm && \ + find $(__srctree)arch/$${arch}/include/asm $(RCS_FIND_IGNORE) \ -name $1 -print; \ done ; \ find $(__srctree)include/asm-generic $(RCS_FIND_IGNORE) \ diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 321eb91..f5ade19 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -360,7 +360,7 @@ config THINKPAD_ACPI_VIDEO If you are not sure, say Y here. config THINKPAD_ACPI_HOTKEY_POLL - bool "Suport NVRAM polling for hot keys" + bool "Support NVRAM polling for hot keys" depends on THINKPAD_ACPI default y ---help--- diff --git a/include/Kbuild b/include/Kbuild index bdca155..d8c3e3c 100644 --- a/include/Kbuild +++ b/include/Kbuild @@ -1,3 +1,6 @@ +# Top-level Makefile calls into asm-$(ARCH) +# List only non-arch directories below + header-y += asm-generic/ header-y += linux/ header-y += sound/ @@ -5,5 +8,3 @@ header-y += mtd/ header-y += rdma/ header-y += video/ header-y += drm/ - -header-y += asm-$(ARCH)/ diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 9cd44b1..6d88a92 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -221,6 +221,7 @@ * during second ld run in second ld pass when generating System.map */ #define TEXT_TEXT \ ALIGN_FUNCTION(); \ + *(.text.hot) \ *(.text) \ *(.ref.text) \ *(.text.init.refok) \ @@ -230,7 +231,8 @@ CPU_KEEP(init.text) \ CPU_KEEP(exit.text) \ MEM_KEEP(init.text) \ - MEM_KEEP(exit.text) + MEM_KEEP(exit.text) \ + *(.text.unlikely) /* sched.text is aling to function alignment to secure we have same diff --git a/init/Kconfig b/init/Kconfig index a50bdfed..43d6989 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -171,7 +171,7 @@ config BSD_PROCESS_ACCT_V3 process and it's parent. Note that this file format is incompatible with previous v0/v1/v2 file formats, so you will need updated tools for processing it. A preliminary version of these tools is available - at <http://www.physik3.uni-rostock.de/tim/kernel/utils/acct/>. + at <http://www.gnu.org/software/acct/>. config TASKSTATS bool "Export task/process statistics through netlink (EXPERIMENTAL)" @@ -486,7 +486,7 @@ config PID_NS default n depends on NAMESPACES && EXPERIMENTAL help - Suport process id namespaces. This allows having multiple + Support process id namespaces. This allows having multiple process with the same pid as long as they are in different pid namespaces. This is a building block of containers. diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst index 53dae3e..612dc13 100644 --- a/scripts/Makefile.headersinst +++ b/scripts/Makefile.headersinst @@ -1,194 +1,98 @@ # ========================================================================== # Installing headers # -# header-y files will be installed verbatim -# unifdef-y are the files where unifdef will be run before installing files -# objhdr-y are generated files that will be installed verbatim +# header-y - list files to be installed. They are preprocessed +# to remove __KERNEL__ section of the file +# unifdef-y - Same as header-y. Obsolete +# objhdr-y - Same as header-y but for generated files # # ========================================================================== -UNIFDEF := scripts/unifdef -U__KERNEL__ - -# Eliminate the contents of (and inclusions of) compiler.h -HDRSED := sed -e "s/ inline / __inline__ /g" \ - -e "s/[[:space:]]__user[[:space:]]\{1,\}/ /g" \ - -e "s/(__user[[:space:]]\{1,\}/ (/g" \ - -e "s/[[:space:]]__force[[:space:]]\{1,\}/ /g" \ - -e "s/(__force[[:space:]]\{1,\}/ (/g" \ - -e "s/[[:space:]]__iomem[[:space:]]\{1,\}/ /g" \ - -e "s/(__iomem[[:space:]]\{1,\}/ (/g" \ - -e "s/[[:space:]]__attribute_const__[[:space:]]\{1,\}/\ /g" \ - -e "s/[[:space:]]__attribute_const__$$//" \ - -e "/^\#include <linux\/compiler.h>/d" - +# called may set destination dir (when installing to asm/) _dst := $(if $(dst),$(dst),$(obj)) -ifeq (,$(patsubst include/asm/%,,$(obj)/)) -# For producing the generated stuff in include/asm for biarch builds, include -# both sets of Kbuild files; we'll generate anything which is mentioned in -# _either_ arch, and recurse into subdirectories which are mentioned in either -# arch. Since some directories may exist in one but not the other, we must -# use $(wildcard...). -GENASM := 1 -archasm := $(subst include/asm,asm-$(ARCH),$(obj)) -altarchasm := $(subst include/asm,asm-$(ALTARCH),$(obj)) -KBUILDFILES := $(wildcard $(srctree)/include/$(archasm)/Kbuild $(srctree)/include/$(altarchasm)/Kbuild) -else -KBUILDFILES := $(srctree)/$(obj)/Kbuild -endif +kbuild-file := $(srctree)/$(obj)/Kbuild +include $(kbuild-file) -include $(KBUILDFILES) +include scripts/Kbuild.include -include scripts/Kbuild.include +install := $(INSTALL_HDR_PATH)/$(_dst) -# If this is include/asm-$(ARCH) and there's no $(ALTARCH), then -# override $(_dst) so that we install to include/asm directly. -# Unless $(BIASMDIR) is set, in which case we're probably doing -# a 'headers_install_all' build and we should keep the -$(ARCH) -# in the directory name. -ifeq ($(obj)$(ALTARCH),include/asm-$(ARCH)$(BIASMDIR)) - _dst := include/asm -endif +header-y := $(sort $(header-y) $(unifdef-y)) +subdirs := $(patsubst %/,%,$(filter %/, $(header-y))) +header-y := $(filter-out %/, $(header-y)) -header-y := $(sort $(header-y)) -unifdef-y := $(sort $(unifdef-y)) -subdir-y := $(patsubst %/,%,$(filter %/, $(header-y))) -header-y := $(filter-out %/, $(header-y)) -header-y := $(filter-out $(unifdef-y),$(header-y)) +# files used to track state of install/check +install-file := $(install)/.install +check-file := $(install)/.check -# stamp files for header checks -check-y := $(patsubst %,.check.%,$(header-y) $(unifdef-y) $(objhdr-y)) +# all headers files for this dir +all-files := $(header-y) $(objhdr-y) +input-files := $(addprefix $(srctree)/$(obj)/,$(header-y)) \ + $(addprefix $(objtree)/$(obj)/,$(objhdr-y)) +output-files := $(addprefix $(install)/, $(all-files)) # Work out what needs to be removed -oldheaders := $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$(wildcard $(INSTALL_HDR_PATH)/$(_dst)/*.h)) -unwanted := $(filter-out $(header-y) $(unifdef-y) $(objhdr-y),$(oldheaders)) +oldheaders := $(patsubst $(install)/%,%,$(wildcard $(install)/*.h)) +unwanted := $(filter-out $(all-files),$(oldheaders)) -oldcheckstamps := $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$(wildcard $(INSTALL_HDR_PATH)/$(_dst)/.check.*.h)) -unwanted += $(filter-out $(check-y),$(oldcheckstamps)) +# Prefix unwanted with full paths to $(INSTALL_HDR_PATH) +unwanted-file := $(addprefix $(install)/, $(unwanted)) -# Prefix them all with full paths to $(INSTALL_HDR_PATH) -header-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(header-y)) -unifdef-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(unifdef-y)) -objhdr-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(objhdr-y)) -check-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(check-y)) +printdir = $(patsubst $(INSTALL_HDR_PATH)/%/,%,$(dir $@)) +quiet_cmd_install = INSTALL $(printdir) ($(words $(all-files))\ + file$(if $(word 2, $(all-files)),s)) + cmd_install = \ + $(PERL) $< $(srctree)/$(obj) $(install) $(SRCARCH) $(header-y); \ + $(PERL) $< $(objtree)/$(obj) $(install) $(SRCARCH) $(objhdr-y); \ + touch $@ -ifdef ALTARCH -ifeq ($(obj),include/asm-$(ARCH)) -altarch-y := altarch-dir -endif -endif +quiet_cmd_remove = REMOVE $(unwanted) + cmd_remove = rm -f $(unwanted-file) -# Make the definitions visible for recursive make invocations -export ALTARCH -export ARCHDEF -export ALTARCHDEF - -quiet_cmd_o_hdr_install = INSTALL $(patsubst $(INSTALL_HDR_PATH)/%,%,$@) - cmd_o_hdr_install = cp $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(objtree)/$(obj)/%,$@) \ - $(INSTALL_HDR_PATH)/$(_dst) - -quiet_cmd_headers_install = INSTALL $(patsubst $(INSTALL_HDR_PATH)/%,%,$@) - cmd_headers_install = $(HDRSED) $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(srctree)/$(obj)/%,$@) \ - > $@ - -quiet_cmd_unifdef = UNIFDEF $(patsubst $(INSTALL_HDR_PATH)/%,%,$@) - cmd_unifdef = $(UNIFDEF) $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(srctree)/$(obj)/%,$@) \ - | $(HDRSED) > $@ || : - -quiet_cmd_check = CHECK $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/.check.%,$(_dst)/%,$@) - cmd_check = $(CONFIG_SHELL) $(srctree)/scripts/hdrcheck.sh \ - $(INSTALL_HDR_PATH)/include $(subst /.check.,/,$@) $@ - -quiet_cmd_remove = REMOVE $(_dst)/$@ - cmd_remove = rm -f $(INSTALL_HDR_PATH)/$(_dst)/$@ - -quiet_cmd_mkdir = MKDIR $(patsubst $(INSTALL_HDR_PATH)/%,%,$@) - cmd_mkdir = mkdir -p $@ - -quiet_cmd_gen = GEN $(patsubst $(INSTALL_HDR_PATH)/%,%,$@) - cmd_gen = \ -FNAME=$(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$@); \ -STUBDEF=__ASM_STUB_`echo $$FNAME | tr a-z.- A-Z__`; \ -(echo "/* File autogenerated by 'make headers_install' */" ; \ -echo "\#ifndef $$STUBDEF" ; \ -echo "\#define $$STUBDEF" ; \ -echo "\# if $(ARCHDEF)" ; \ -if [ -r $(subst /$(_dst)/,/include/$(archasm)/,$@) ]; then \ - echo "\# include <$(archasm)/$$FNAME>" ; \ -else \ - echo "\# error $(archasm)/$$FNAME does not exist in" \ - "the $(ARCH) architecture" ; \ -fi ; \ -echo "\# elif $(ALTARCHDEF)" ; \ -if [ -r $(subst /$(_dst)/,/include/$(altarchasm)/,$@) ]; then \ - echo "\# include <$(altarchasm)/$$FNAME>" ; \ -else \ - echo "\# error $(altarchasm)/$$FNAME does not exist in" \ - "the $(ALTARCH) architecture" ; \ -fi ; \ -echo "\# else" ; \ -echo "\# warning This machine appears to be" \ - "neither $(ARCH) nor $(ALTARCH)." ; \ -echo "\# endif" ; \ -echo "\#endif /* $$STUBDEF */" ; \ -) > $@ - -.PHONY: __headersinst __headerscheck - -ifdef HDRCHECK -__headerscheck: $(subdir-y) $(check-y) - @true - -$(check-y) : $(INSTALL_HDR_PATH)/$(_dst)/.check.%.h : $(INSTALL_HDR_PATH)/$(_dst)/%.h - $(call cmd,check) - -# Other dependencies for $(check-y) -include /dev/null $(wildcard $(check-y)) - -# ... but leave $(check-y) as .PHONY for now until those deps are actually correct. -.PHONY: $(check-y) +quiet_cmd_check = CHECK $(printdir) ($(words $(all-files)) files) + cmd_check = $(PERL) $< $(INSTALL_HDR_PATH)/include $(SRCARCH) \ + $(addprefix $(install)/, $(all-files)); \ + touch $@ -else -# Rules for installing headers -__headersinst: $(subdir-y) $(header-y) $(unifdef-y) $(altarch-y) $(objhdr-y) - @true +PHONY += __headersinst __headerscheck -$(objhdr-y) $(subdir-y) $(header-y) $(unifdef-y): | $(INSTALL_HDR_PATH)/$(_dst) $(unwanted) - -$(INSTALL_HDR_PATH)/$(_dst): - $(call cmd,mkdir) - -.PHONY: $(unwanted) -$(unwanted): - $(call cmd,remove) +ifndef HDRCHECK +# Rules for installing headers +__headersinst: $(subdirs) $(install-file) + @: -ifdef GENASM -$(objhdr-y) $(header-y) $(unifdef-y): $(KBUILDFILES) - $(call cmd,gen) +targets += $(install-file) +$(install-file): scripts/headers_install.pl $(input-files) FORCE + $(if $(unwanted),$(call cmd,remove),) + $(if $(wildcard $(dir $@)),,$(shell mkdir -p $(dir $@))) + $(call if_changed,install) else -$(objhdr-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(objtree)/$(obj)/%.h $(KBUILDFILES) - $(call cmd,o_hdr_install) +__headerscheck: $(subdirs) $(check-file) + @: -$(header-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES) - $(call cmd,headers_install) +targets += $(check-file) +$(check-file): scripts/headers_check.pl $(output-files) FORCE + $(call if_changed,check) -$(unifdef-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES) - $(call cmd,unifdef) -endif endif -hdrinst := -rR -f $(srctree)/scripts/Makefile.headersinst obj +# Recursion +hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj +.PHONY: $(subdirs) +$(subdirs): + $(Q)$(MAKE) $(hdr-inst)=$(obj)/$@ dst=$(_dst)/$@ -.PHONY: altarch-dir -# All the files in the normal arch dir must be created first, since we test -# for their existence. -altarch-dir: $(subdir-y) $(header-y) $(unifdef-y) $(objhdr-y) - $(Q)$(MAKE) $(hdrinst)=include/asm-$(ALTARCH) dst=include/asm-$(ALTARCH) - $(Q)$(MAKE) $(hdrinst)=include/asm dst=include/asm$(BIASMDIR) +targets := $(wildcard $(sort $(targets))) +cmd_files := $(wildcard \ + $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) -# Recursion -.PHONY: $(subdir-y) -$(subdir-y): - $(Q)$(MAKE) $(hdrinst)=$(obj)/$@ dst=$(_dst)/$@ rel=../$(rel) +ifneq ($(cmd_files),) + include $(cmd_files) +endif + +.PHONY: $(PHONY) +PHONY += FORCE +FORCE: ; diff --git a/scripts/diffconfig b/scripts/diffconfig new file mode 100755 index 0000000..b91f3e3 --- /dev/null +++ b/scripts/diffconfig @@ -0,0 +1,129 @@ +#!/usr/bin/python +# +# diffconfig - a tool to compare .config files. +# +# originally written in 2006 by Matt Mackall +# (at least, this was in his bloatwatch source code) +# last worked on 2008 by Tim Bird +# + +import sys, os + +def usage(): + print """Usage: diffconfig [-h] [-m] [<config1> <config2>] + +Diffconfig is a simple utility for comparing two .config files. +Using standard diff to compare .config files often includes extraneous and +distracting information. This utility produces sorted output with only the +changes in configuration values between the two files. + +Added and removed items are shown with a leading plus or minus, respectively. +Changed items show the old and new values on a single line. + +If -m is specified, then output will be in "merge" style, which has the +changed and new values in kernel config option format. + +If no config files are specified, .config and .config.old are used. + +Example usage: + $ diffconfig .config config-with-some-changes +-EXT2_FS_XATTR n +-EXT2_FS_XIP n + CRAMFS n -> y + EXT2_FS y -> n + LOG_BUF_SHIFT 14 -> 16 + PRINTK_TIME n -> y +""" + sys.exit(0) + +# returns a dictionary of name/value pairs for config items in the file +def readconfig(config_file): + d = {} + for line in config_file: + line = line[:-1] + if line[:7] == "CONFIG_": + name, val = line[7:].split("=", 1) + d[name] = val + if line[-11:] == " is not set": + d[line[9:-11]] = "n" + return d + +def print_config(op, config, value, new_value): + global merge_style + + if merge_style: + if new_value: + if new_value=="n": + print "# CONFIG_%s is not set" % config + else: + print "CONFIG_%s=%s" % (config, new_value) + else: + if op=="-": + print "-%s %s" % (config, value) + elif op=="+": + print "+%s %s" % (config, new_value) + else: + print " %s %s -> %s" % (config, value, new_value) + +def main(): + global merge_style + + # parse command line args + if ("-h" in sys.argv or "--help" in sys.argv): + usage() + + merge_style = 0 + if "-m" in sys.argv: + merge_style = 1 + sys.argv.remove("-m") + + argc = len(sys.argv) + if not (argc==1 or argc == 3): + print "Error: incorrect number of arguments or unrecognized option" + usage() + + if argc == 1: + # if no filenames given, assume .config and .config.old + build_dir="" + if os.environ.has_key("KBUILD_OUTPUT"): + build_dir = os.environ["KBUILD_OUTPUT"]+"/" + + configa_filename = build_dir + ".config.old" + configb_filename = build_dir + ".config" + else: + configa_filename = sys.argv[1] + configb_filename = sys.argv[2] + + a = readconfig(file(configa_filename)) + b = readconfig(file(configb_filename)) + + # print items in a but not b (accumulate, sort and print) + old = [] + for config in a: + if config not in b: + old.append(config) + old.sort() + for config in old: + print_config("-", config, a[config], None) + del a[config] + + # print items that changed (accumulate, sort, and print) + changed = [] + for config in a: + if a[config] != b[config]: + changed.append(config) + else: + del b[config] + changed.sort() + for config in changed: + print_config("->", config, a[config], b[config]) + del b[config] + + # now print items in b but not in a + # (items from b that were in a were removed above) + new = b.keys() + new.sort() + for config in new: + print_config("+", config, None, b[config]) + +main() diff --git a/scripts/hdrcheck.sh b/scripts/hdrcheck.sh deleted file mode 100755 index 3159858..0000000 --- a/scripts/hdrcheck.sh +++ /dev/null @@ -1,10 +0,0 @@ -#!/bin/sh - -for FILE in `grep '^[ \t]*#[ \t]*include[ \t]*<' $2 | cut -f2 -d\< | cut -f1 -d\> | egrep ^linux\|^asm` ; do - if [ ! -r $1/$FILE ]; then - echo $2 requires $FILE, which does not exist in exported headers - exit 1 - fi -done -# FIXME: List dependencies into $3 -touch $3 diff --git a/scripts/headers.sh b/scripts/headers.sh new file mode 100755 index 0000000..d33426f --- /dev/null +++ b/scripts/headers.sh @@ -0,0 +1,41 @@ +#!/bin/sh +# 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 + elif [ -f ${srctree}/include/asm-$2/Kbuild ]; then + make ARCH=$2 KBUILD_HEADERS=$1 headers_$1 + else + printf "Ignoring arch: %s\n" ${arch} + fi +} + +# Do not try this architecture +drop="generic um ppc sparc64 cris" + +archs=$(ls ${srctree}/arch) + +for arch in ${archs}; do + case ${arch} in + um) # no userspace export + ;; + ppc) # headers exported by powerpc + ;; + sparc64) # headers exported by sparc + ;; + cris) # headers export are known broken + ;; + *) + if [ -d ${srctree}/arch/${arch} ]; then + do_command $1 ${arch} + fi + ;; + esac +done + + diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl new file mode 100644 index 0000000..15d53a6 --- /dev/null +++ b/scripts/headers_check.pl @@ -0,0 +1,56 @@ +#!/usr/bin/perl +# +# headers_check.pl execute a number of trivial consistency checks +# +# Usage: headers_check.pl dir [files...] +# dir: dir to look for included files +# arch: architecture +# files: list of files to check +# +# The script reads the supplied files line by line and: +# +# 1) for each include statement it checks if the +# included file actually exists. +# Only include files located in asm* and linux* are checked. +# The rest are assumed to be system include files. +# +# 2) TODO: check for leaked CONFIG_ symbols + +use strict; +use warnings; + +my ($dir, $arch, @files) = @ARGV; + +my $ret = 0; +my $line; +my $lineno = 0; +my $filename; + +foreach my $file (@files) { + $filename = $file; + open(my $fh, '<', "$filename") or die "$filename: $!\n"; + $lineno = 0; + while ($line = <$fh>) { + $lineno++; + check_include(); + } + close $fh; +} +exit $ret; + +sub check_include +{ + if ($line =~ m/^\s*#\s*include\s+<((asm|linux).*)>/) { + my $inc = $1; + my $found; + $found = stat($dir . "/" . $inc); + if (!$found) { + $inc =~ s#asm/#asm-$arch/#; + $found = stat($dir . "/" . $inc); + } + if (!$found) { + printf STDERR "$filename:$lineno: included file '$inc' is not exported\n"; + $ret = 1; + } + } +} diff --git a/scripts/headers_install.pl b/scripts/headers_install.pl new file mode 100644 index 0000000..68591cd --- /dev/null +++ b/scripts/headers_install.pl @@ -0,0 +1,45 @@ +#!/usr/bin/perl +# +# headers_install prepare the listed header files for use in +# user space and copy the files to their destination. +# +# Usage: headers_install.pl readdir installdir arch [files...] +# readdir: dir to open files +# installdir: dir to install the files +# arch: current architecture +# arch is used to force a reinstallation when the arch +# changes because kbuild then detect a command line change. +# files: list of files to check +# +# Step in preparation for users space: +# 1) Drop all use of compiler.h definitions +# 2) Drop include of compiler.h +# 3) Drop all sections defined out by __KERNEL__ (using unifdef) + +use strict; +use warnings; + +my ($readdir, $installdir, $arch, @files) = @ARGV; + +my $unifdef = "scripts/unifdef -U__KERNEL__"; + +foreach my $file (@files) { + my $tmpfile = "$installdir/$file.tmp"; + open(my $infile, '<', "$readdir/$file") + or die "$readdir/$file: $!\n"; + open(my $outfile, '>', "$tmpfile") or die "$tmpfile: $!\n"; + while (my $line = <$infile>) { + $line =~ s/([\s(])__user\s/$1/g; + $line =~ s/([\s(])__force\s/$1/g; + $line =~ s/([\s(])__iomem\s/$1/g; + $line =~ s/\s__attribute_const__\s/ /g; + $line =~ s/\s__attribute_const__$//g; + $line =~ s/^#include <linux\/compiler.h>//; + printf $outfile "%s", $line; + } + close $outfile; + close $infile; + system $unifdef . " $tmpfile > $installdir/$file"; + unlink $tmpfile; +} +exit 0; diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c index fda6313..9fba838 100644 --- a/scripts/kconfig/conf.c +++ b/scripts/kconfig/conf.c @@ -76,7 +76,6 @@ static void check_stdin(void) static int conf_askvalue(struct symbol *sym, const char *def) { enum symbol_type type = sym_get_type(sym); - tristate val; if (!sym_has_value(sym)) printf(_("(NEW) ")); @@ -92,15 +91,6 @@ static int conf_askvalue(struct symbol *sym, const char *def) } switch (input_mode) { - case set_no: - case set_mod: - case set_yes: - case set_random: - if (sym_has_value(sym)) { - printf("%s\n", def); - return 0; - } - break; case ask_new: case ask_silent: if (sym_has_value(sym)) { @@ -112,9 +102,6 @@ static int conf_askvalue(struct symbol *sym, const char *def) fflush(stdout); fgets(line, 128, stdin); return 1; - case set_default: - printf("%s\n", def); - return 1; default: break; } @@ -128,52 +115,6 @@ static int conf_askvalue(struct symbol *sym, const char *def) default: ; } - switch (input_mode) { - case set_yes: - if (sym_tristate_within_range(sym, yes)) { - line[0] = 'y'; - line[1] = '\n'; - line[2] = 0; - break; - } - case set_mod: - if (type == S_TRISTATE) { - if (sym_tristate_within_range(sym, mod)) { - line[0] = 'm'; - line[1] = '\n'; - line[2] = 0; - break; - } - } else { - if (sym_tristate_within_range(sym, yes)) { - line[0] = 'y'; - line[1] = '\n'; - line[2] = 0; - break; - } - } - case set_no: - if (sym_tristate_within_range(sym, no)) { - line[0] = 'n'; - line[1] = '\n'; - line[2] = 0; - break; - } - case set_random: - do { - val = (tristate)(rand() % 3); - } while (!sym_tristate_within_range(sym, val)); - switch (val) { - case no: line[0] = 'n'; break; - case mod: line[0] = 'm'; break; - case yes: line[0] = 'y'; break; - } - line[1] = '\n'; - line[2] = 0; - break; - default: - break; - } printf("%s", line); return 1; } @@ -374,15 +315,7 @@ static int conf_choice(struct menu *menu) else continue; break; - case set_random: - if (is_new) - def = (rand() % cnt) + 1; - case set_default: - case set_yes: - case set_mod: - case set_no: - cnt = def; - printf("%d\n", cnt); + default: break; } @@ -494,6 +427,43 @@ static void check_conf(struct menu *menu) check_conf(child); } +static void conf_do_update(void) +{ + /* Update until a loop caused no more changes */ + do { + conf_cnt = 0; + check_conf(&rootmenu); + } while (conf_cnt); +} + +static int conf_silent_update(void) +{ + const char *name; + + if (conf_get_changed()) { + name = getenv("KCONFIG_NOSILENTUPDATE"); + if (name && *name) { + fprintf(stderr, + _("\n*** Kernel configuration requires explicit update.\n\n")); + return 1; + } + conf_do_update(); + } + return 0; +} + +static int conf_update(void) +{ + rootEntry = &rootmenu; + conf(&rootmenu); + if (input_mode == ask_all) { + input_mode = ask_silent; + valid_stdin = 1; + } + conf_do_update(); + return 0; +} + int main(int ac, char **av) { int opt; @@ -599,36 +569,43 @@ int main(int ac, char **av) default: break; } + switch (input_mode) { + case set_no: + conf_set_all_new_symbols(def_no); + break; + case set_yes: + conf_set_all_new_symbols(def_yes); + break; + case set_mod: + conf_set_all_new_symbols(def_mod); + break; + case set_random: + conf_set_all_new_symbols(def_random); + break; + case set_default: + conf_set_all_new_symbols(def_default); + break; + case ask_silent: + case ask_new: + if (conf_silent_update()) + exit(1); + break; + case ask_all: + if (conf_update()) + exit(1); + break; + } - if (input_mode != ask_silent) { - rootEntry = &rootmenu; - conf(&rootmenu); - if (input_mode == ask_all) { - input_mode = ask_silent; - valid_stdin = 1; - } - } else if (conf_get_changed()) { - name = getenv("KCONFIG_NOSILENTUPDATE"); - if (name && *name) { - fprintf(stderr, _("\n*** Kernel configuration requires explicit update.\n\n")); - return 1; - } - } else - goto skip_check; - - do { - conf_cnt = 0; - check_conf(&rootmenu); - } while (conf_cnt); - if (conf_write(NULL)) { + if (conf_get_changed() && conf_write(NULL)) { fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n")); - return 1; + exit(1); } -skip_check: + /* ask_silent is used during the build so we shall update autoconf. + * All other commands are only used to generate a config. + */ if (input_mode == ask_silent && conf_write_autoconf()) { fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n")); return 1; } - return 0; } diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index ee5fe94..0759761 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -812,3 +812,73 @@ void conf_set_changed_callback(void (*fn)(void)) { conf_changed_callback = fn; } + + +void conf_set_all_new_symbols(enum conf_def_mode mode) +{ + struct symbol *sym, *csym; + struct property *prop; + struct expr *e; + int i, cnt, def; + + for_all_symbols(i, sym) { + if (sym_has_value(sym)) + continue; + switch (sym_get_type(sym)) { + case S_BOOLEAN: + case S_TRISTATE: + switch (mode) { + case def_yes: + sym->def[S_DEF_USER].tri = yes; + break; + case def_mod: + sym->def[S_DEF_USER].tri = mod; + break; + case def_no: + sym->def[S_DEF_USER].tri = no; + break; + case def_random: + sym->def[S_DEF_USER].tri = (tristate)(rand() % 3); + break; + default: + continue; + } + if (!sym_is_choice(sym) || mode != def_random) + sym->flags |= SYMBOL_DEF_USER; + break; + default: + break; + } + + } + + if (modules_sym) + sym_calc_value(modules_sym); + + if (mode != def_random) + return; + + for_all_symbols(i, csym) { + if (sym_has_value(csym) || !sym_is_choice(csym)) + continue; + + sym_calc_value(csym); + prop = sym_get_choice_prop(csym); + def = -1; + while (1) { + cnt = 0; + expr_list_for_each_sym(prop->expr, e, sym) { + if (sym->visible == no) + continue; + if (def == cnt++) { + csym->def[S_DEF_USER].val = sym; + break; + } + } + if (def >= 0 || cnt < 2) + break; + def = (rand() % cnt) + 1; + } + csym->flags |= SYMBOL_DEF_USER; + } +} diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h index 96521cb..4a9af6f 100644 --- a/scripts/kconfig/lkc.h +++ b/scripts/kconfig/lkc.h @@ -42,6 +42,14 @@ extern "C" { #define TF_PARAM 0x0002 #define TF_OPTION 0x0004 +enum conf_def_mode { + def_default, + def_yes, + def_mod, + def_no, + def_random +}; + #define T_OPT_MODULES 1 #define T_OPT_DEFCONFIG_LIST 2 #define T_OPT_ENV 3 @@ -69,6 +77,7 @@ const char *conf_get_configname(void); char *conf_get_default_confname(void); void sym_set_change_count(int count); void sym_add_change_count(int count); +void conf_set_all_new_symbols(enum conf_def_mode mode); /* kconfig_load.c */ void kconfig_load(void); diff --git a/scripts/kernel-doc b/scripts/kernel-doc index 88e3934..d8f77e2 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -1643,6 +1643,7 @@ sub dump_function($$) { $prototype =~ s/^__always_inline +//; $prototype =~ s/^noinline +//; $prototype =~ s/__devinit +//; + $prototype =~ s/__init +//; $prototype =~ s/^#define\s+//; #ak added $prototype =~ s/__attribute__\s*\(\([a-z,]*\)\)//; diff --git a/scripts/setlocalversion b/scripts/setlocalversion index 1c1bdaf..83b7512 100755 --- a/scripts/setlocalversion +++ b/scripts/setlocalversion @@ -12,7 +12,9 @@ cd "${1:-.}" || usage if head=`git rev-parse --verify HEAD 2>/dev/null`; then # Do we have an untagged version? if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then - git describe | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' + if tag=`git describe 2>/dev/null`; then + echo $tag | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' + fi fi # Are there uncommitted changes? |