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)
  allow stripping of generated symbols under CONFIG_KALLSYMS_ALL
  kbuild: strip generated symbols from *.ko
  kbuild: simplify use of genksyms
  kernel-doc: check for extra kernel-doc notations
  kbuild: add headerdep used to detect inclusion cycles in header files
  kbuild: fix string equality testing in tags.sh
  kbuild: fix make tags/cscope
  kbuild: fix make incompatibility
  kbuild: remove TAR_IGNORE
  setlocalversion: add git-svn support
  setlocalversion: print correct subversion revision
  scripts: improve the decodecode script
  scripts/package: allow custom options to rpm
  genksyms: allow to ignore symbol checksum changes
  genksyms: track symbol checksum changes
  tags and cscope support really belongs in a shell script
  kconfig: fix options to check-lxdialog.sh
  kbuild: gen_init_cpio expands shell variables in file names
  remove bashisms from scripts/extract-ikconfig
  kbuild: teach mkmakfile to be silent
  ...

28 files changed, 1045 insertions, 350 deletions

diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
index 7a7753321a26..51104f9194a5 100644
--- a/Documentation/kbuild/makefiles.txt
+++ b/Documentation/kbuild/makefiles.txt
@@ -383,6 +383,20 @@ more details, with real examples.
 	to prerequisites are referenced with $(src) (because they are not
 	generated files).
 
+    $(kecho)
+	echoing information to user in a rule is often a good practice
+	but when execution "make -s" one does not expect to see any output
+	except for warnings/errors.
+	To support this kbuild define $(kecho) which will echo out the
+	text following $(kecho) to stdout except if "make -s" is used.
+
+	Example:
+		#arch/blackfin/boot/Makefile
+		$(obj)/vmImage: $(obj)/vmlinux.gz
+			$(call if_changed,uimage)
+			@$(kecho) 'Kernel: $@ is ready'
+
+
 --- 3.11 $(CC) support functions
 
 	The kernel may be built with several different versions of
diff --git a/Makefile b/Makefile
index 71e98e9e6acd..09ff7d81809a 100644
--- a/Makefile
+++ b/Makefile
@@ -336,7 +336,7 @@ LINUXINCLUDE    := -Iinclude \
                    -I$(srctree)/arch/$(hdr-arch)/include               \
                    -include include/linux/autoconf.h
 
-KBUILD_CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE)
+KBUILD_CPPFLAGS := -D__KERNEL__
 
 KBUILD_CFLAGS   := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
 		   -fno-strict-aliasing -fno-common \
@@ -439,7 +439,11 @@ ifeq ($(config-targets),1)
 include $(srctree)/arch/$(SRCARCH)/Makefile
 export KBUILD_DEFCONFIG KBUILD_KCONFIG
 
-config %config: scripts_basic outputmakefile FORCE
+config: scripts_basic outputmakefile FORCE
+	$(Q)mkdir -p include/linux include/config
+	$(Q)$(MAKE) $(build)=scripts/kconfig $@
+
+%config: scripts_basic outputmakefile FORCE
 	$(Q)mkdir -p include/linux include/config
 	$(Q)$(MAKE) $(build)=scripts/kconfig $@
 
@@ -600,20 +604,25 @@ export	INSTALL_PATH ?= /boot
 MODLIB	= $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE)
 export MODLIB
 
-#
-#  INSTALL_MOD_STRIP, if defined, will cause modules to be
-#  stripped after they are installed.  If INSTALL_MOD_STRIP is '1', then
-#  the default option --strip-debug will be used.  Otherwise,
-#  INSTALL_MOD_STRIP will used as the options to the strip command.
+strip-symbols := $(srctree)/scripts/strip-symbols \
+		 $(wildcard $(srctree)/arch/$(ARCH)/scripts/strip-symbols)
 
+#
+# INSTALL_MOD_STRIP, if defined, will cause modules to be stripped while
+# they get installed.  If INSTALL_MOD_STRIP is '1', then the default
+# options (see below) will be used.  Otherwise, INSTALL_MOD_STRIP will
+# be used as the option(s) to the objcopy command.
 ifdef INSTALL_MOD_STRIP
 ifeq ($(INSTALL_MOD_STRIP),1)
-mod_strip_cmd = $(STRIP) --strip-debug
+mod_strip_cmd = $(OBJCOPY) --strip-debug
+ifeq ($(CONFIG_KALLSYMS_ALL),$(CONFIG_KALLSYMS_STRIP_GENERATED))
+mod_strip_cmd += --wildcard $(addprefix --strip-symbols ,$(strip-symbols))
+endif
 else
-mod_strip_cmd = $(STRIP) $(INSTALL_MOD_STRIP)
+mod_strip_cmd = $(OBJCOPY) $(INSTALL_MOD_STRIP)
 endif # INSTALL_MOD_STRIP=1
 else
-mod_strip_cmd = true
+mod_strip_cmd = false
 endif # INSTALL_MOD_STRIP
 export mod_strip_cmd
 
@@ -743,6 +752,7 @@ last_kallsyms := 2
 endif
 
 kallsyms.o := .tmp_kallsyms$(last_kallsyms).o
+kallsyms.h := $(wildcard include/config/kallsyms/*.h) $(wildcard include/config/kallsyms/*/*.h)
 
 define verify_kallsyms
 	$(Q)$(if $($(quiet)cmd_sysmap),                                      \
@@ -767,24 +777,41 @@ endef
 
 # Generate .S file with all kernel symbols
 quiet_cmd_kallsyms = KSYM    $@
-      cmd_kallsyms = $(NM) -n $< | $(KALLSYMS) \
-                     $(if $(CONFIG_KALLSYMS_ALL),--all-symbols) > $@
+      cmd_kallsyms = { test $* -eq 0 || $(NM) -n $<; } \
+		     | $(KALLSYMS) $(if $(CONFIG_KALLSYMS_ALL),--all-symbols) >$@
 
-.tmp_kallsyms1.o .tmp_kallsyms2.o .tmp_kallsyms3.o: %.o: %.S scripts FORCE
+quiet_cmd_kstrip = STRIP   $@
+      cmd_kstrip = $(OBJCOPY) --wildcard $(addprefix --strip$(if $(CONFIG_RELOCATABLE),-unneeded)-symbols ,$(filter %/scripts/strip-symbols,$^)) $< $@
+
+$(foreach n,0 1 2 3,.tmp_kallsyms$(n).o): KBUILD_AFLAGS += -Wa,--strip-local-absolute
+$(foreach n,0 1 2 3,.tmp_kallsyms$(n).o): %.o: %.S scripts FORCE
 	$(call if_changed_dep,as_o_S)
 
-.tmp_kallsyms%.S: .tmp_vmlinux% $(KALLSYMS)
+ifeq ($(CONFIG_KALLSYMS_STRIP_GENERATED),y)
+strip-ext := .stripped
+endif
+
+.tmp_kallsyms%.S: .tmp_vmlinux%$(strip-ext) $(KALLSYMS) $(kallsyms.h)
 	$(call cmd,kallsyms)
 
+# make -jN seems to have problems with intermediate files, see bug #3330.
+.SECONDARY: $(foreach n,1 2 3,.tmp_vmlinux$(n).stripped)
+.tmp_vmlinux%.stripped: .tmp_vmlinux% $(strip-symbols) $(kallsyms.h)
+	$(call cmd,kstrip)
+
+ifneq ($(CONFIG_DEBUG_INFO),y)
+.tmp_vmlinux%: LDFLAGS_vmlinux += -S
+endif
 # .tmp_vmlinux1 must be complete except kallsyms, so update vmlinux version
-.tmp_vmlinux1: $(vmlinux-lds) $(vmlinux-all) FORCE
-	$(call if_changed_rule,ksym_ld)
+.tmp_vmlinux%: $(vmlinux-lds) $(vmlinux-all) FORCE
+	$(if $(filter 1,$*),$(call if_changed_rule,ksym_ld),$(call if_changed,vmlinux__))
 
-.tmp_vmlinux2: $(vmlinux-lds) $(vmlinux-all) .tmp_kallsyms1.o FORCE
-	$(call if_changed,vmlinux__)
+.tmp_vmlinux0$(strip-ext):
+	$(Q)echo "placeholder" >$@
 
-.tmp_vmlinux3: $(vmlinux-lds) $(vmlinux-all) .tmp_kallsyms2.o FORCE
-	$(call if_changed,vmlinux__)
+.tmp_vmlinux1: .tmp_kallsyms0.o
+.tmp_vmlinux2: .tmp_kallsyms1.o
+.tmp_vmlinux3: .tmp_kallsyms2.o
 
 # Needs to visit scripts/ before $(KALLSYMS) can be used.
 $(KALLSYMS): scripts ;
@@ -926,7 +953,7 @@ PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
 # 2) Create the include2 directory, used for the second asm symlink
 prepare3: include/config/kernel.release
 ifneq ($(KBUILD_SRC),)
-	@echo '  Using $(srctree) as source for kernel'
+	@$(kecho) '  Using $(srctree) as source for kernel'
 	$(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
 		echo "  $(srctree) is not clean, please run 'make mrproper'";\
 		echo "  in the '$(srctree)' directory.";\
@@ -983,7 +1010,7 @@ endef
 # directory for generated filesas used by some architectures.
 define create-symlink
 	if [ ! -L include/asm ]; then                                      \
-			echo '  SYMLINK $@ -> include/asm-$(SRCARCH)';     \
+			$(kecho) '  SYMLINK $@ -> include/asm-$(SRCARCH)'; \
 			if [ ! -d include/asm-$(SRCARCH) ]; then           \
 				mkdir -p include/asm-$(SRCARCH);           \
 			fi;                                                \
@@ -1022,6 +1049,10 @@ include/linux/version.h: $(srctree)/Makefile FORCE
 include/linux/utsrelease.h: include/config/kernel.release FORCE
 	$(call filechk,utsrelease.h)
 
+PHONY += headerdep
+headerdep:
+	$(Q)find include/ -name '*.h' | xargs --max-args 1 scripts/headerdep.pl
+
 # ---------------------------------------------------------------------------
 
 PHONY += depend dep
@@ -1096,7 +1127,7 @@ all: modules
 PHONY += modules
 modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux)
 	$(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order
-	@echo '  Building modules, stage 2.';
+	@$(kecho) '  Building modules, stage 2.';
 	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
 	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modbuild
 
@@ -1270,7 +1301,8 @@ help:
 	@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'
-	@echo  '  headers_check   - Sanity check on exported headers'; \
+	@echo  '  headers_check   - Sanity check on exported headers'
+	@echo  '  headerdep       - Detect inclusion cycles in headers'; \
 	 echo  ''
 	@echo  'Kernel packaging:'
 	@$(MAKE) $(build)=$(package-dir) help
@@ -1360,7 +1392,7 @@ $(module-dirs): crmodverdir $(objtree)/Module.symvers
 	$(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@)
 
 modules: $(module-dirs)
-	@echo '  Building modules, stage 2.';
+	@$(kecho) '  Building modules, stage 2.';
 	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
 
 PHONY += modules_install
@@ -1409,123 +1441,12 @@ endif # KBUILD_EXTMOD
 
 # Generate tags for editors
 # ---------------------------------------------------------------------------
+quiet_cmd_tags = GEN     $@
+      cmd_tags = $(CONFIG_SHELL) $(srctree)/scripts/tags.sh $@
 
-#We want __srctree to totally vanish out when KBUILD_OUTPUT is not set
-#(which is the most common case IMHO) to avoid unneeded clutter in the big tags file.
-#Adding $(srctree) adds about 20M on i386 to the size of the output file!
-
-ifeq ($(src),$(obj))
-__srctree =
-else
-__srctree = $(srctree)/
-endif
-
-ifeq ($(ALLSOURCE_ARCHS),)
-ifeq ($(ARCH),um)
-ALLINCLUDE_ARCHS := $(ARCH) $(SUBARCH)
-else
-ALLINCLUDE_ARCHS := $(SRCARCH)
-endif
-else
-#Allow user to specify only ALLSOURCE_PATHS on the command line, keeping existing behaviour.
-ALLINCLUDE_ARCHS := $(ALLSOURCE_ARCHS)
-endif
-
-ALLSOURCE_ARCHS := $(SRCARCH)
-
-define find-sources
-        ( for arch in $(ALLSOURCE_ARCHS) ; do \
-	       find $(__srctree)arch/$${arch} $(RCS_FIND_IGNORE) \
-		    -wholename $(__srctree)arch/$${arch}/include/asm -type d -prune \
-	            -o -name $1 -print; \
-	  done ; \
-	  find $(__srctree)security/selinux/include $(RCS_FIND_IGNORE) \
-	       -name $1 -print; \
-	  find $(__srctree)include $(RCS_FIND_IGNORE) \
-	       \( -name config -o -name 'asm-*' \) -prune \
-	       -o -name $1 -print; \
-	  for arch in $(ALLINCLUDE_ARCHS) ; do \
-	       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) \
-	       -name $1 -print; \
-	  find $(__srctree) $(RCS_FIND_IGNORE) \
-	       \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \
-	       -name $1 -print; \
-	  )
-endef
-
-define all-sources
-	$(call find-sources,'*.[chS]')
-endef
-define all-kconfigs
-	$(call find-sources,'Kconfig*')
-endef
-define all-defconfigs
-	$(call find-sources,'defconfig')
-endef
-
-define xtags
-	if $1 --version 2>&1 | grep -iq exuberant; then \
-	    $(all-sources) | xargs $1 -a \
-		-I __initdata,__exitdata,__acquires,__releases \
-		-I __read_mostly,____cacheline_aligned,____cacheline_aligned_in_smp,____cacheline_internodealigned_in_smp \
-		-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
-		--extra=+f --c-kinds=+px \
-		--regex-asm='/^ENTRY\(([^)]*)\).*/\1/'; \
-	    $(all-kconfigs) | xargs $1 -a \
-		--langdef=kconfig \
-		--language-force=kconfig \
-		--regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/'; \
-	    $(all-defconfigs) | xargs -r $1 -a \
-		--langdef=dotconfig \
-		--language-force=dotconfig \
-		--regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/'; \
-	elif $1 --version 2>&1 | grep -iq emacs; then \
-	    $(all-sources) | xargs $1 -a; \
-	    $(all-kconfigs) | xargs $1 -a \
-		--regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'; \
-	    $(all-defconfigs) | xargs -r $1 -a \
-		--regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'; \
-	else \
-	    $(all-sources) | xargs $1 -a; \
-	fi
-endef
-
-quiet_cmd_cscope-file = FILELST cscope.files
-      cmd_cscope-file = (echo \-k; echo \-q; $(all-sources)) > cscope.files
-
-quiet_cmd_cscope = MAKE    cscope.out
-      cmd_cscope = cscope -b -f cscope.out
-
-cscope: FORCE
-	$(call cmd,cscope-file)
-	$(call cmd,cscope)
-
-quiet_cmd_TAGS = MAKE   $@
-define cmd_TAGS
-	rm -f $@; \
-	$(call xtags,etags)
-endef
-
-TAGS: FORCE
-	$(call cmd,TAGS)
-
-quiet_cmd_tags = MAKE   $@
-define cmd_tags
-	rm -f $@; \
-	$(call xtags,ctags)
-endef
-
-tags: FORCE
+tags TAGS cscope: FORCE
 	$(call cmd,tags)
 
-
 # Scripts to check various things for consistency
 # ---------------------------------------------------------------------------
 
@@ -1604,7 +1525,11 @@ endif
 	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
 
 # Modules
-/ %/: prepare scripts FORCE
+/: prepare scripts FORCE
+	$(cmd_crmodverdir)
+	$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
+	$(build)=$(build-dir)
+%/: prepare scripts FORCE
 	$(cmd_crmodverdir)
 	$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
 	$(build)=$(build-dir)
@@ -1638,7 +1563,7 @@ cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR) \
                   $(if $(KBUILD_MODULES),; rm -f $(MODVERDIR)/*)
 
 a_flags = -Wp,-MD,$(depfile) $(KBUILD_AFLAGS) $(AFLAGS_KERNEL) \
-	  $(NOSTDINC_FLAGS) $(KBUILD_CPPFLAGS) \
+	  $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(KBUILD_CPPFLAGS) \
 	  $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(basetarget).o)
 
 quiet_cmd_as_o_S = AS      $@
diff --git a/arch/blackfin/boot/Makefile b/arch/blackfin/boot/Makefile
index 522f3c124060..e028d13481a9 100644
--- a/arch/blackfin/boot/Makefile
+++ b/arch/blackfin/boot/Makefile
@@ -25,7 +25,7 @@ $(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE
 
 $(obj)/vmImage: $(obj)/vmlinux.gz
 	$(call if_changed,uimage)
-	@echo 'Kernel: $@ is ready'
+	@$(kecho) 'Kernel: $@ is ready'
 
 install:
 	sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"
diff --git a/arch/x86/scripts/strip-symbols b/arch/x86/scripts/strip-symbols
new file mode 100644
index 000000000000..a2f1ccb827c7
--- /dev/null
+++ b/arch/x86/scripts/strip-symbols
@@ -0,0 +1 @@
+__cpu_vendor_dev_X86_VENDOR_*
diff --git a/init/Kconfig b/init/Kconfig
index f291f086caa1..8a63c404ef44 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -588,6 +588,13 @@ config KALLSYMS_ALL
 
 	   Say N.
 
+config KALLSYMS_STRIP_GENERATED
+	bool "Strip machine generated symbols from kallsyms"
+	depends on KALLSYMS_ALL
+	default y
+	help
+	  Say N if you want kallsyms to retain even machine generated symbols.
+
 config KALLSYMS_EXTRA_PASS
 	bool "Do an extra kallsyms pass"
 	depends on KALLSYMS
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index 7b8b0f21a5b1..e694afa0eb8c 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -30,20 +30,19 @@
 #define all_var 0
 #endif
 
-/* These will be re-linked against their real values during the second link stage */
-extern const unsigned long kallsyms_addresses[] __attribute__((weak));
-extern const u8 kallsyms_names[] __attribute__((weak));
+extern const unsigned long kallsyms_addresses[];
+extern const u8 kallsyms_names[];
 
 /* tell the compiler that the count isn't in the small data section if the arch
  * has one (eg: FRV)
  */
 extern const unsigned long kallsyms_num_syms
-__attribute__((weak, section(".rodata")));
+	__attribute__((__section__(".rodata")));
 
-extern const u8 kallsyms_token_table[] __attribute__((weak));
-extern const u16 kallsyms_token_index[] __attribute__((weak));
+extern const u8 kallsyms_token_table[];
+extern const u16 kallsyms_token_index[];
 
-extern const unsigned long kallsyms_markers[] __attribute__((weak));
+extern const unsigned long kallsyms_markers[];
 
 static inline int is_kernel_inittext(unsigned long addr)
 {
@@ -168,9 +167,6 @@ static unsigned long get_symbol_pos(unsigned long addr,
 	unsigned long symbol_start = 0, symbol_end = 0;
 	unsigned long i, low, high, mid;
 
-	/* This kernel should never had been booted. */
-	BUG_ON(!kallsyms_addresses);
-
 	/* do a binary search on the sorted kallsyms_addresses array */
 	low = 0;
 	high = kallsyms_num_syms;
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 982dcae7bbe2..c29be8f90248 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -25,6 +25,13 @@ basetarget = $(basename $(notdir $@))
 escsq = $(subst $(squote),'\$(squote)',$1)
 
 ###
+# Easy method for doing a status message
+       kecho := :
+ quiet_kecho := echo
+silent_kecho := :
+kecho := $($(quiet)kecho)
+
+###
 # filechk is used to check if the content of a generated file is updated.
 # Sample usage:
 # define filechk_sample
@@ -39,22 +46,15 @@ escsq = $(subst $(squote),'\$(squote)',$1)
 # - If they are equal no change, and no timestamp update
 # - stdin is piped in from the first prerequisite ($<) so one has
 #   to specify a valid file as first prerequisite (often the kbuild file)
-       chk_filechk = :
- quiet_chk_filechk = echo '  CHK     $@'
-silent_chk_filechk = :
-       upd_filechk = :
- quiet_upd_filechk = echo '  UPD     $@'
-silent_upd_filechk = :
-
 define filechk
 	$(Q)set -e;				\
-	$($(quiet)chk_filechk);			\
+	$(kecho) '  CHK     $@';		\
 	mkdir -p $(dir $@);			\
 	$(filechk_$(1)) < $< > $@.tmp;		\
 	if [ -r $@ ] && cmp -s $@ $@.tmp; then	\
 		rm -f $@.tmp;			\
 	else					\
-		$($(quiet)upd_filechk);		\
+		$(kecho) '  UPD     $@';	\
 		mv -f $@.tmp $@;		\
 	fi
 endef
@@ -144,7 +144,9 @@ ld-option = $(call try-run,\
 build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
 
 # Prefix -I with $(srctree) if it is not an absolute path.
-addtree = $(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1)
+# skip if -I has no parameter
+addtree = $(if $(patsubst -I%,%,$(1)), \
+$(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1))
 
 # Find all -I options and call addtree
 flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o)))
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 7a176773af85..5d900307de3e 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -151,14 +151,20 @@ cmd_cc_i_c       = $(CPP) $(c_flags)   -o $@ $<
 $(obj)/%.i: $(src)/%.c FORCE
 	$(call if_changed_dep,cc_i_c)
 
+cmd_genksyms =                                                              \
+    $(CPP) -D__GENKSYMS__ $(c_flags) $< |                                   \
+    $(GENKSYMS) -T $@ -A -a $(ARCH)                                         \
+     $(if $(KBUILD_PRESERVE),-p)                                            \
+     $(if $(1),-r $(firstword $(wildcard $(@:.symtypes=.symref) /dev/null)))
+
 quiet_cmd_cc_symtypes_c = SYM $(quiet_modtag) $@
-cmd_cc_symtypes_c	   = \
-		$(CPP) -D__GENKSYMS__ $(c_flags) $<			\
-		| $(GENKSYMS) -T $@ >/dev/null;				\
-		test -s $@ || rm -f $@
+cmd_cc_symtypes_c =                                                         \
+    set -e;                                                                 \
+    $(call cmd_genksyms, true) >/dev/null;                                  \
+    test -s $@ || rm -f $@
 
 $(obj)/%.symtypes : $(src)/%.c FORCE
-	$(call if_changed_dep,cc_symtypes_c)
+	$(call cmd,cc_symtypes_c)
 
 # C (.c) files
 # The C file is compiled and updated dependency information is generated.
@@ -171,30 +177,38 @@ cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
 
 else
 # When module versioning is enabled the following steps are executed:
-# o compile a .tmp_<file>.o from <file>.c
-# o if .tmp_<file>.o doesn't contain a __ksymtab version, i.e. does
-#   not export symbols, we just rename .tmp_<file>.o to <file>.o and
+# o compile a .tmp_<file>.s from <file>.c
+# o if .tmp_<file>.s doesn't contain a __ksymtab version, i.e. does
+#   not export symbols, we just assemble .tmp_<file>.s to <file>.o and
 #   are done.
 # o otherwise, we calculate symbol versions using the good old
 #   genksyms on the preprocessed source and postprocess them in a way
-#   that they are usable as a linker script
-# o generate <file>.o from .tmp_<file>.o using the linker to
-#   replace the unresolved symbols __crc_exported_symbol with
-#   the actual value of the checksum generated by genksyms
+#   that they are usable as assembly source
+# o assemble <file>.o from .tmp_<file>.s forcing inclusion of directives
+#   defining the actual values of __crc_*, followed by objcopy-ing them
+#   to force these symbols to be local to permit stripping them later.
+s_file = $(@D)/.tmp_$(@F:.o=.s)
+v_file = $(@D)/.tmp_$(@F:.o=.v)
+tmp_o_file = $(@D)/.tmp_$(@F)
+no_g_c_flags = $(filter-out -g%,$(c_flags))
+
+cmd_cc_o_c = $(CC) $(c_flags) -S -o $(s_file) $<
 
-cmd_cc_o_c = $(CC) $(c_flags) -c -o $(@D)/.tmp_$(@F) $<
 cmd_modversions =							\
-	if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then	\
-		$(CPP) -D__GENKSYMS__ $(c_flags) $<			\
-		| $(GENKSYMS) $(if $(KBUILD_SYMTYPES),			\
-			      -T $(@D)/$(@F:.o=.symtypes)) -a $(ARCH)	\
-		> $(@D)/.tmp_$(@F:.o=.ver);				\
-									\
-		$(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) 		\
-			-T $(@D)/.tmp_$(@F:.o=.ver);			\
-		rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver);	\
+	if grep -q __ksymtab $(s_file); then				\
+		if $(call cmd_genksyms, $(KBUILD_SYMTYPES)) > $(v_file) \
+		   && $(CC) $(no_g_c_flags) -c -Wa,$(v_file)		\
+			    -o $(tmp_o_file) $(s_file)			\
+		   && $(OBJCOPY) -L '__crc_*' -L '___crc_*' -w		\
+				 $(tmp_o_file) $@;			\
+		then							\
+			: ;						\
+		else							\
+			rm -f $@; exit 1;				\
+		fi;							\
 	else								\
-		mv -f $(@D)/.tmp_$(@F) $@;				\
+		rm -f $(v_file);					\
+		$(CC) $(no_g_c_flags) -c -o $@ $(s_file);		\
 	fi;
 endif
 
@@ -211,7 +225,12 @@ define rule_cc_o_c
 	$(cmd_record_mcount)						  \
 	scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,cc_o_c)' >    \
 	                                              $(dot-target).tmp;  \
-	rm -f $(depfile);						  \
+	if [ -r $(@D)/.tmp_$(@F:.o=.v) ]; then				  \
+		echo >> $(dot-target).tmp;				  \
+		echo '$@: $(GENKSYMS)' >> $(dot-target).tmp;		  \
+		echo '$(GENKSYMS):: ;' >> $(dot-target).tmp;		  \
+	fi;								  \
+	rm -f $(depfile) $(@D)/.tmp_$(@F:.o=.?);			  \
 	mv -f $(dot-target).tmp $(dot-target).cmd
 endef
 
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index b4ca38a21158..e06365775bdf 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -104,9 +104,11 @@ else
 debug_flags =
 endif
 
-orig_c_flags   = $(KBUILD_CFLAGS) $(ccflags-y) $(CFLAGS_$(basetarget).o)
+orig_c_flags   = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS)                     \
+                 $(ccflags-y) $(CFLAGS_$(basetarget).o)
 _c_flags       = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags))
-_a_flags       = $(KBUILD_AFLAGS) $(asflags-y) $(AFLAGS_$(basetarget).o)
+_a_flags       = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS)                     \
+                 $(asflags-y) $(AFLAGS_$(basetarget).o)
 _cpp_flags     = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F))
 
 # If building the kernel in a separate objtree expand all occurrences
@@ -127,15 +129,16 @@ __a_flags	=                          $(call flags,_a_flags)
 __cpp_flags     =                          $(call flags,_cpp_flags)
 endif
 
-c_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(KBUILD_CPPFLAGS) \
-		 $(__c_flags) $(modkern_cflags) \
+c_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
+		 $(__c_flags) $(modkern_cflags)                           \
 		 -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags) \
 		  $(debug_flags)
 
-a_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(KBUILD_CPPFLAGS) \
+a_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
 		 $(__a_flags) $(modkern_aflags)
 
-cpp_flags      = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(__cpp_flags)
+cpp_flags      = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
+		 $(__cpp_flags)
 
 ld_flags       = $(LDFLAGS) $(ldflags-y)
 
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index efa5d940e632..a5122dce1264 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -17,7 +17,8 @@ __modinst: $(modules)
 	@:
 
 quiet_cmd_modules_install = INSTALL $@
-      cmd_modules_install = mkdir -p $(2); cp $@ $(2) ; $(mod_strip_cmd) $(2)/$(notdir $@)
+      cmd_modules_install = mkdir -p $(2); \
+			    $(mod_strip_cmd) $@ $(2)/$(notdir $@) || cp $@ $(2)
 
 # Modules built outside the kernel source tree go into extra by default
 INSTALL_MOD_DIR ?= extra
diff --git a/scripts/decodecode b/scripts/decodecode
index 235d3938529d..4b00647814bc 100755
--- a/scripts/decodecode
+++ b/scripts/decodecode
@@ -7,7 +7,7 @@
 # AFLAGS=--32 decodecode < 386.oops
 
 cleanup() {
-	rm -f $T $T.s $T.o
+	rm -f $T $T.s $T.o $T.oo $T.aa  $T.aaa
 	exit 1
 }
 
@@ -44,21 +44,33 @@ if [ $marker -eq 0 ]; then
 	marker=`expr index "$code" "\("`
 fi
 
+touch $T.oo
 if [ $marker -ne 0 ]; then
-	beforemark=`echo "$code" | cut -c-$((${marker} - 1))`
+	echo All code >> $T.oo
+	echo ======== >> $T.oo
+	beforemark=`echo "$code"`
 	echo -n "	.byte 0x" > $T.s
-	echo $beforemark | sed -e 's/ /,0x/g' >> $T.s
-	as $AFLAGS -o $T.o $T.s
-	objdump -S $T.o
-	rm $T.o $T.s
+	echo $beforemark | sed -e 's/ /,0x/g' | sed -e 's/<//g' | sed -e 's/>//g' >> $T.s
+	as $AFLAGS -o $T.o $T.s &> /dev/null
+	objdump -S $T.o | grep -v "/tmp" | grep -v "Disassembly" | grep -v "\.text" | grep -v "^$" &> $T.ooo
+	cat $T.ooo >> $T.oo
+	rm -f $T.o $T.s  $T.ooo
 
 # and fix code at-and-after marker
 	code=`echo "$code" | cut -c$((${marker} + 1))-`
 fi
-
+echo Code starting with the faulting instruction  > $T.aa
+echo =========================================== >> $T.aa
 code=`echo $code | sed -e 's/ [<(]/ /;s/[>)] / /;s/ /,0x/g'`
 echo -n "	.byte 0x" > $T.s
 echo $code >> $T.s
-as $AFLAGS -o $T.o $T.s
-objdump -S $T.o
-rm $T $T.s $T.o
+as $AFLAGS -o $T.o $T.s &> /dev/null
+objdump -S $T.o | grep -v "Disassembly" | grep -v "/tmp" | grep -v "\.text" | grep -v "^$" &> $T.aaa
+cat $T.aaa >> $T.aa
+
+faultline=`cat $T.aaa | head -1 | cut -d":" -f2`
+
+cat $T.oo | sed -e "s/\($faultline\)/\*\1     <-- trapping instruction/g"
+echo
+cat $T.aa
+cleanup
diff --git a/scripts/extract-ikconfig b/scripts/extract-ikconfig
index 8187e6f0dc2f..72997c353cb3 100755
--- a/scripts/extract-ikconfig
+++ b/scripts/extract-ikconfig
@@ -8,8 +8,8 @@ test -e $binoffset || cc -o $binoffset ./scripts/binoffset.c || exit 1
 
 IKCFG_ST="0x49 0x4b 0x43 0x46 0x47 0x5f 0x53 0x54"
 IKCFG_ED="0x49 0x4b 0x43 0x46 0x47 0x5f 0x45 0x44"
-function dump_config {
-    typeset file="$1"
+dump_config() {
+    file="$1"
 
     start=`$binoffset $file $IKCFG_ST 2>/dev/null`
     [ "$?" != "0" ] && start="-1"
@@ -18,8 +18,8 @@ function dump_config {
     fi
     end=`$binoffset $file $IKCFG_ED 2>/dev/null`
 
-    let start="$start + 8"
-    let size="$end - $start"
+    start=`expr $start + 8`
+    size=`expr $end - $start`
 
     dd if="$file" ibs=1 skip="$start" count="$size" 2>/dev/null | zcat
 
diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c
index c249274e005a..f8bb4cabd62d 100644
--- a/scripts/genksyms/genksyms.c
+++ b/scripts/genksyms/genksyms.c
@@ -42,7 +42,8 @@ static FILE *debugfile;
 int cur_line = 1;
 char *cur_filename;
 
-static int flag_debug, flag_dump_defs, flag_dump_types, flag_warnings;
+static int flag_debug, flag_dump_defs, flag_reference, flag_dump_types,
+	   flag_preserve, flag_warnings, flag_asm;
 static const char *arch = "";
 static const char *mod_prefix = "";
 
@@ -58,6 +59,8 @@ static const char *const symbol_type_name[] = {
 
 static int equal_list(struct string_list *a, struct string_list *b);
 static void print_list(FILE * f, struct string_list *list);
+static void print_location(void);
+static void print_type_name(enum symbol_type type, const char *name);
 
 /*----------------------------------------------------------------------*/
 
@@ -151,27 +154,83 @@ struct symbol *find_symbol(const char *name, enum symbol_type ns)
 
 	for (sym = symtab[h]; sym; sym = sym->hash_next)
 		if (map_to_ns(sym->type) == map_to_ns(ns) &&
-		    strcmp(name, sym->name) == 0)
+		    strcmp(name, sym->name) == 0 &&
+		    sym->is_declared)
 			break;
 
 	return sym;
 }
 
-struct symbol *add_symbol(const char *name, enum symbol_type type,
-			  struct string_list *defn, int is_extern)
+static int is_unknown_symbol(struct symbol *sym)
+{
+	struct string_list *defn;
+
+	return ((sym->type == SYM_STRUCT ||
+		 sym->type == SYM_UNION ||
+		 sym->type == SYM_ENUM) &&
+		(defn = sym->defn)  && defn->tag == SYM_NORMAL &&
+			strcmp(defn->string, "}") == 0 &&
+		(defn = defn->next) && defn->tag == SYM_NORMAL &&
+			strcmp(defn->string, "UNKNOWN") == 0 &&
+		(defn = defn->next) && defn->tag == SYM_NORMAL &&
+			strcmp(defn->string, "{") == 0);
+}
+
+struct symbol *__add_symbol(const char *name, enum symbol_type type,
+			    struct string_list *defn, int is_extern,
+			    int is_reference)
 {
 	unsigned long h