Merge mars.ravnborg.org:/home/sam/bk/linux-2.6

into mars.ravnborg.org:/home/sam/bk/kbuild

7 files changed, 48 insertions, 23 deletions

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 6e75ced8b583..7cf75cc4f849 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -183,15 +183,24 @@ cmd_gzip = gzip -f -9 < $< > $@
 # Generic stuff
 # ===========================================================================
 
+ifneq ($(KBUILD_NOCMDDEP),1)
+# Check if both arguments has same arguments. Result in empty string if equal
+# User may override this check using make KBUILD_NOCMDDEP=1
+arg-check = $(strip $(filter-out $(1), $(2)) $(filter-out $(2), $(1)) )
+
+endif
+
+# echo command. Short version is $(quiet) equals quiet, otherwise full command
+echo-cmd = $(if $($(quiet)cmd_$(1)), \
+	echo '  $(subst ','\'',$($(quiet)cmd_$(1)))';)
+
 # function to only execute the passed command if necessary
 # >'< substitution is for echo to work, >$< substitution to preserve $ when reloading .cmd file
 # note: when using inline perl scripts [perl -e '...$$t=1;...'] in $(cmd_xxx) double $$ your perl vars
-
-if_changed = $(if $(strip $? \
-		          $(filter-out $(cmd_$(1)),$(cmd_$@))\
-			  $(filter-out $(cmd_$@),$(cmd_$(1)))),\
+# 
+if_changed = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \
 	@set -e; \
-	$(if $($(quiet)cmd_$(1)),echo '  $(subst ','\'',$($(quiet)cmd_$(1)))';) \
+	$(echo-cmd) \
 	$(cmd_$(1)); \
 	echo 'cmd_$@ := $(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).cmd)
 
@@ -200,10 +209,9 @@ if_changed = $(if $(strip $? \
 # file
 
 if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\
-		          $(filter-out $(cmd_$(1)),$(cmd_$@))\
-			  $(filter-out $(cmd_$@),$(cmd_$(1)))),\
+	$(call arg-check, $(cmd_$(1)), $(cmd_$@)) ),                  \
 	@set -e; \
-	$(if $($(quiet)cmd_$(1)),echo '  $(subst ','\'',$($(quiet)cmd_$(1)))';) \
+	$(echo-cmd) \
 	$(cmd_$(1)); \
 	scripts/basic/fixdep $(depfile) $@ '$(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).tmp; \
 	rm -f $(depfile); \
@@ -213,9 +221,7 @@ if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\
 # will check if $(cmd_foo) changed, or any of the prequisites changed,
 # and if so will execute $(rule_foo)
 
-if_changed_rule = $(if $(strip $? \
-		               $(filter-out $(cmd_$(1)),$(cmd_$@))\
-			       $(filter-out $(cmd_$@),$(cmd_$(1)))),\
+if_changed_rule = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ),\
 			@set -e; \
 			$(rule_$(1)))
 
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index ba47b7fcb140..85d6494e3c24 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -21,8 +21,9 @@ quiet_cmd_modules_install = INSTALL $@
 
 # Modules built outside the kernel source tree go into extra by default
 INSTALL_MOD_DIR ?= extra
+ext-mod-dir = $(INSTALL_MOD_DIR)$(subst $(KBUILD_EXTMOD),,$(@D))
 
-modinst_dir = $(MODLIB)/$(if $(filter ../% /%,$@),$(INSTALL_MOD_DIR)/,kernel/$(@D))
+modinst_dir = $(if $(KBUILD_EXTMOD),$(ext-mod-dir),kernel/$(@D))
 
 $(modules):
-	$(call cmd,modules_install,$(modinst_dir))
+	$(call cmd,modules_install,$(MODLIB)/$(modinst_dir))
diff --git a/scripts/genksyms/genksyms.h b/scripts/genksyms/genksyms.h
index 7b711731abf2..f09af47ab281 100644
--- a/scripts/genksyms/genksyms.h
+++ b/scripts/genksyms/genksyms.h
@@ -25,7 +25,6 @@
 #define MODUTILS_GENKSYMS_H 1
 
 #include <stdio.h>
-#include <assert.h>
 
 
 enum symbol_type
@@ -89,8 +88,17 @@ void error_with_pos(const char *, ...);
 
 #define MODUTILS_VERSION "<in-kernel>"
 
-#define xmalloc(size) ({ void *__ptr = malloc(size); assert(__ptr || size == 0); __ptr; })
-#define xstrdup(str)  ({ char *__str = strdup(str); assert(__str); __str; })
-
+#define xmalloc(size) ({ void *__ptr = malloc(size);		\
+	if(!__ptr && size != 0) {				\
+		fprintf(stderr, "out of memory\n");		\
+		exit(1);					\
+	}							\
+	__ptr; })
+#define xstrdup(str)  ({ char *__str = strdup(str);		\
+	if (!__str) {						\
+		fprintf(stderr, "out of memory\n");		\
+		exit(1);					\
+	}							\
+	__str; })
 
 #endif /* genksyms.h */
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 51492ba6fbcd..5a5ddc40f36c 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -50,10 +50,12 @@ endif
 
 # Help text used by make help
 help:
-	@echo  '  oldconfig	  - Update current config utilising a line-oriented program'
+	@echo  '  config	  - Update current config utilising a line-oriented program'
 	@echo  '  menuconfig	  - Update current config utilising a menu based program'
 	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
 	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
+	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
+	@echo  '  randconfig	  - New config with random answer to all options'
 	@echo  '  defconfig	  - New config with default answer to all options'
 	@echo  '  allmodconfig	  - New config selecting modules when possible'
 	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
@@ -107,6 +109,10 @@ HOSTCFLAGS_gconf.o	= `pkg-config gtk+-2.0 gmodule-2.0 libglade-2.0 --cflags` \
 
 $(obj)/conf.o $(obj)/mconf.o $(obj)/qconf.o $(obj)/gconf.o: $(obj)/zconf.tab.h
 
+$(obj)/zconf.tab.h: $(src)/zconf.tab.h_shipped
+$(obj)/zconf.tab.c: $(src)/zconf.tab.c_shipped
+$(obj)/lex.zconf.c: $(src)/lex.zconf.c_shipped
+
 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
 
 ifeq ($(qconf-target),1)
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 347549c35d6c..9b9f94c915d2 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -47,11 +47,10 @@ warn(const char *fmt, ...)
 	va_end(arglist);
 }
 
-void *do_nofail(void *ptr, const char *file, int line, const char *expr)
+void *do_nofail(void *ptr, const char *expr)
 {
 	if (!ptr) {
-		fatal("Memory allocation failure %s line %d: %s.\n",
-		      file, line, expr);
+		fatal("modpost: Memory allocation failure: %s.\n", expr);
 	}
 	return ptr;
 }
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index eb8815ae209e..7334d839145d 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -53,8 +53,8 @@ static inline void __endian(const void *src, void *dest, unsigned int size)
 
 #endif
 
-#define NOFAIL(ptr)   do_nofail((ptr), __FILE__, __LINE__, #ptr)
-void *do_nofail(void *ptr, const char *file, int line, const char *expr);
+#define NOFAIL(ptr)   do_nofail((ptr), #ptr)
+void *do_nofail(void *ptr, const char *expr);
 
 struct buffer {
 	char *p;
diff --git a/scripts/namespace.pl b/scripts/namespace.pl
index 399c831e5d12..88e30e82f1ca 100644
--- a/scripts/namespace.pl
+++ b/scripts/namespace.pl
@@ -406,6 +406,11 @@ sub resolve_external_references
 					&& $name !~ /^__.*per_cpu_end/
 					&& $name !~ /^__alt_instructions/
 					&& $name !~ /^__setup_/
+					&& $name !~ /^jiffies/
+					&& $name !~ /^__mod_timer/
+					&& $name !~ /^__mod_page_state/
+					&& $name !~ /^init_module/
+					&& $name !~ /^cleanup_module/
 				) {
 					printf "Cannot resolve ";
 					printf "weak " if ($type eq "w");