Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

19 files changed, 223 insertions, 120 deletions

diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 4f5ff19b992..06c1a377c4c 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -1,7 +1,7 @@
 ####
 # kbuild: Generic definitions
 
-# Convinient variables
+# Convenient variables
 comma   := ,
 squote  := '
 empty   :=
@@ -56,30 +56,43 @@ endef
 # gcc support functions
 # See documentation in Documentation/kbuild/makefiles.txt
 
+# output directory for tests below
+TMPOUT := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/)
+
+# try-run
+# Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
+# Exit code chooses option. "$$TMP" is can be used as temporary file and
+# is automatically cleaned up.
+try-run = $(shell set -e;		\
+	TMP="$(TMPOUT).$$$$.tmp";	\
+	if ($(1)) >/dev/null 2>&1;	\
+	then echo "$(2)";		\
+	else echo "$(3)";		\
+	fi;				\
+	rm -f "$$TMP")
+
 # as-option
-# Usage: cflags-y += $(call as-option, -Wa$(comma)-isa=foo,)
+# Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)
 
-as-option = $(shell if $(CC) $(CFLAGS) $(1) -Wa,-Z -c -o /dev/null \
-	     -xassembler /dev/null > /dev/null 2>&1; then echo "$(1)"; \
-	     else echo "$(2)"; fi ;)
+as-option = $(call try-run,\
+	$(CC) $(CFLAGS) $(1) -c -xassembler /dev/null -o "$$TMP",$(1),$(2))
 
 # as-instr
-# Usage: cflags-y += $(call as-instr, instr, option1, option2)
+# Usage: cflags-y += $(call as-instr,instr,option1,option2)
 
-as-instr = $(shell if echo -e "$(1)" | $(AS) >/dev/null 2>&1 -W -Z -o astest$$$$.out ; \
-		   then echo "$(2)"; else echo "$(3)"; fi; \
-	           rm -f astest$$$$.out)
+as-instr = $(call try-run,\
+	echo -e "$(1)" | $(CC) $(AFLAGS) -c -xassembler -o "$$TMP" -,$(2),$(3))
 
 # cc-option
-# Usage: cflags-y += $(call cc-option, -march=winchip-c6, -march=i586)
+# Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
 
-cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
-             > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
+cc-option = $(call try-run,\
+	$(CC) $(CFLAGS) $(1) -S -xc /dev/null -o "$$TMP",$(1),$(2))
 
 # cc-option-yn
-# Usage: flag := $(call cc-option-yn, -march=winchip-c6)
-cc-option-yn = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
-                > /dev/null 2>&1; then echo "y"; else echo "n"; fi;)
+# Usage: flag := $(call cc-option-yn,-march=winchip-c6)
+cc-option-yn = $(call try-run,\
+	$(CC) $(CFLAGS) $(1) -S -xc /dev/null -o "$$TMP",y,n)
 
 # cc-option-align
 # Prefix align with either -falign or -malign
@@ -87,20 +100,19 @@ cc-option-align = $(subst -functions=0,,\
 	$(call cc-option,-falign-functions=0,-malign-functions=0))
 
 # cc-version
-# Usage gcc-ver := $(call cc-version, $(CC))
+# Usage gcc-ver := $(call cc-version,$(CC))
 cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC))
 
 # cc-ifversion
 # Usage:  EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1)
-cc-ifversion = $(shell if [ $(call cc-version, $(CC)) $(1) $(2) ]; then \
-                       echo $(3); fi;)
+cc-ifversion = $(shell [ $(call cc-version, $(CC)) $(1) $(2) ] && echo $(3))
 
 # ld-option
 # Usage: ldflags += $(call ld-option, -Wl$(comma)--hash-style=both)
-ld-option = $(shell if $(CC) $(1) \
-			     -nostdlib -o ldtest$$$$.out -xc /dev/null \
-             > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi; \
-	     rm -f ldtest$$$$.out)
+ld-option = $(call try-run,\
+	$(CC) $(1) -nostdlib -xc /dev/null -o "$$TMP",$(1),$(2))
+
+######
 
 ###
 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
@@ -108,19 +120,25 @@ ld-option = $(shell if $(CC) $(1) \
 # $(Q)$(MAKE) $(build)=dir
 build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
 
-# Prefix -I with $(srctree) if it is not an absolute path
+# Prefix -I with $(srctree) if it is not an absolute path.
 addtree = $(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)))
 
-# If quiet is set, only print short version of command
+# echo command.
+# Short version is used, if $(quiet) equals `quiet_', otherwise full one.
+echo-cmd = $(if $($(quiet)cmd_$(1)),\
+	echo '  $(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';)
+
+# printing commands
 cmd = @$(echo-cmd) $(cmd_$(1))
 
-# Add $(obj)/ for paths that is not absolute
+# Add $(obj)/ for paths that are not absolute
 objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o)))
 
 ###
-# if_changed      - execute command if any prerequisite is newer than 
+# if_changed      - execute command if any prerequisite is newer than
 #                   target, or command line has changed
 # if_changed_dep  - as if_changed, but uses fixdep to reveal dependencies
 #                   including used config symbols
@@ -128,16 +146,12 @@ objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o)))
 # See Documentation/kbuild/makefiles.txt for more info
 
 ifneq ($(KBUILD_NOCMDDEP),1)
-# Check if both arguments has same arguments. Result in empty string if equal
+# Check if both arguments has same arguments. Result is empty string if equal.
 # User may override this check using make KBUILD_NOCMDDEP=1
 arg-check = $(strip $(filter-out $(cmd_$(1)), $(cmd_$@)) \
                     $(filter-out $(cmd_$@),   $(cmd_$(1))) )
 endif
 
-# echo command. Short version is $(quiet) equals quiet, otherwise full command
-echo-cmd = $(if $($(quiet)cmd_$(1)), \
-	echo '  $(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';)
-
 # >'< substitution is for echo to work,
 # >$< substitution to preserve $ when reloading .cmd file
 # note: when using inline perl scripts [perl -e '...$$t=1;...']
@@ -148,15 +162,14 @@ make-cmd = $(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1)))))
 # PHONY targets skipped in both cases.
 any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^)
 
-# Execute command if command has changed or prerequisitei(s) are updated
+# Execute command if command has changed or prerequisite(s) are updated.
 #
 if_changed = $(if $(strip $(any-prereq) $(arg-check)),                       \
 	@set -e;                                                             \
 	$(echo-cmd) $(cmd_$(1));                                             \
 	echo 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd)
 
-# execute the command and also postprocess generated .d dependencies
-# file
+# Execute the command and also postprocess generated .d dependencies file.
 if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ),                  \
 	@set -e;                                                             \
 	$(echo-cmd) $(cmd_$(1));                                             \
@@ -165,8 +178,8 @@ if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ),                  \
 	mv -f $(dot-target).tmp $(dot-target).cmd)
 
 # Usage: $(call if_changed_rule,foo)
-# will check if $(cmd_foo) changed, or any of the prequisites changed,
-# and if so will execute $(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) ),                 \
 	@set -e;                                                             \
 	$(rule_$(1)))
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 4241e0dfeea..f7b6705fd6a 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -109,7 +109,7 @@ quiet_cmd_mkdir		  = MKDIR   $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
 quiet_cmd_gen		  = GEN     $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
       cmd_gen		  = \
 FNAME=$(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$@)			\
-STUBDEF=__ASM_STUB_`echo $$FNAME | tr a-z. A-Z_`;			\
+STUBDEF=__ASM_STUB_`echo $$FNAME | tr a-z.- A-Z__`;			\
 (echo "/* File autogenerated by 'make headers_install' */" ;		\
 echo "\#ifndef $$STUBDEF" ;						\
 echo "\#define $$STUBDEF" ;						\
diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh
index 4c723fd1864..43f75d6e4d9 100644
--- a/scripts/gen_initramfs_list.sh
+++ b/scripts/gen_initramfs_list.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 # Copyright (C) Martin Schlemmer <azarah@nosferatu.za.org>
-# Copyright (c) 2006           Sam Ravnborg <sam@ravnborg.org>
+# Copyright (C) 2006 Sam Ravnborg <sam@ravnborg.org>
 #
 # Released under the terms of the GNU GPL
 #
@@ -17,15 +17,15 @@ cat << EOF
 Usage:
 $0 [-o <file>] [-u <uid>] [-g <gid>] {-d | <cpio_source>} ...
 	-o <file>      Create gzipped initramfs file named <file> using
-	               gen_init_cpio and gzip
+		       gen_init_cpio and gzip
 	-u <uid>       User ID to map to user ID 0 (root).
-	               <uid> is only meaningful if <cpio_source>
-	               is a directory.
+		       <uid> is only meaningful if <cpio_source>
+		       is a directory.
 	-g <gid>       Group ID to map to group ID 0 (root).
-	               <gid> is only meaningful if <cpio_source>
-	               is a directory.
+		       <gid> is only meaningful if <cpio_source>
+		       is a directory.
 	<cpio_source>  File list or directory for cpio archive.
-	               If <cpio_source> is a .cpio file it will be used
+		       If <cpio_source> is a .cpio file it will be used
 		       as direct input to initramfs.
 	-d             Output the default cpio list.
 
@@ -36,6 +36,12 @@ to reset the root/group mapping.
 EOF
 }
 
+# awk style field access
+# $1 - field number; rest is argument string
+field() {
+	shift $1 ; echo $1
+}
+
 list_default_initramfs() {
 	# echo usr/kinit/kinit
 	:
@@ -119,22 +125,17 @@ parse() {
 			str="${ftype} ${name} ${location} ${str}"
 			;;
 		"nod")
-			local dev_type=
-			local maj=$(LC_ALL=C ls -l "${location}" | \
-					gawk '{sub(/,/, "", $5); print $5}')
-			local min=$(LC_ALL=C ls -l "${location}" | \
-					gawk '{print $6}')
-
-			if [ -b "${location}" ]; then
-				dev_type="b"
-			else
-				dev_type="c"
-			fi
-			str="${ftype} ${name} ${str} ${dev_type} ${maj} ${min}"
+			local dev=`LC_ALL=C ls -l "${location}"`
+			local maj=`field 5 ${dev}`
+			local min=`field 6 ${dev}`
+			maj=${maj%,}
+
+			[ -b "${location}" ] && dev="b" || dev="c"
+
+			str="${ftype} ${name} ${str} ${dev} ${maj} ${min}"
 			;;
 		"slink")
-			local target=$(LC_ALL=C ls -l "${location}" | \
-					gawk '{print $11}')
+			local target=`field 11 $(LC_ALL=C ls -l "${location}")`
 			str="${ftype} ${name} ${target} ${str}"
 			;;
 		*)
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index f359b730c2c..8b809b264d1 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -265,7 +265,7 @@ static void write_src(void)
 	printf("#define ALGN .align 4\n");
 	printf("#endif\n");
 
-	printf(".data\n");
+	printf("\t.section .rodata, \"a\"\n");
 
 	/* Provide proper symbols relocatability by their '_text'
 	 * relativeness.  The symbol names cannot be used to construct
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 4dcb8867b5f..124b341a18c 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -600,7 +600,7 @@ int main(int ac, char **av)
 			input_mode = ask_silent;
 			valid_stdin = 1;
 		}
-	} else if (sym_change_count) {
+	} else if (conf_get_changed()) {
 		name = getenv("KCONFIG_NOSILENTUPDATE");
 		if (name && *name) {
 			fprintf(stderr, _("\n*** Kernel configuration requires explicit update.\n\n"));
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 66b15ef0293..664fe29dace 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -100,7 +100,7 @@ int conf_read_simple(const char *name, int def)
 		in = zconf_fopen(name);
 		if (in)
 			goto load;
-		sym_change_count++;
+		sym_add_change_count(1);
 		if (!sym_defconfig_list)
 			return 1;
 
@@ -312,7 +312,7 @@ int conf_read(const char *name)
 	struct expr *e;
 	int i, flags;
 
-	sym_change_count = 0;
+	sym_set_change_count(0);
 
 	if (conf_read_simple(name, S_DEF_USER))
 		return 1;
@@ -364,7 +364,7 @@ int conf_read(const char *name)
 		sym->flags &= flags | ~SYMBOL_DEF_USER;
 	}
 
-	sym_change_count += conf_warnings || conf_unsaved;
+	sym_add_change_count(conf_warnings || conf_unsaved);
 
 	return 0;
 }
@@ -432,7 +432,7 @@ int conf_write(const char *name)
 		     use_timestamp ? "# " : "",
 		     use_timestamp ? ctime(&now) : "");
 
-	if (!sym_change_count)
+	if (!conf_get_changed())
 		sym_clear_all_valid();
 
 	menu = rootmenu.list;
@@ -528,7 +528,7 @@ int conf_write(const char *name)
 		 "# configuration written to %s\n"
 		 "#\n"), newname);
 
-	sym_change_count = 0;
+	sym_set_change_count(0);
 
 	return 0;
 }
@@ -765,3 +765,30 @@ int conf_write_autoconf(void)
 
 	return 0;
 }
+
+static int sym_change_count;
+static void (*conf_changed_callback)(void);
+
+void sym_set_change_count(int count)
+{
+	int _sym_change_count = sym_change_count;
+	sym_change_count = count;
+	if (conf_changed_callback &&
+	    (bool)_sym_change_count != (bool)count)
+		conf_changed_callback();
+}
+
+void sym_add_change_count(int count)
+{
+	sym_set_change_count(count + sym_change_count);
+}
+
+bool conf_get_changed(void)
+{
+	return sym_change_count;
+}
+
+void conf_set_changed_callback(void (*fn)(void))
+{
+	conf_changed_callback = fn;
+}
diff --git a/scripts/kconfig/gconf.c b/scripts/kconfig/gconf.c
index 7b0d3a93d5c..61d8166166e 100644
--- a/scripts/kconfig/gconf.c
+++ b/scripts/kconfig/gconf.c
@@ -38,8 +38,6 @@ static gboolean show_all = FALSE;
 static gboolean show_debug = FALSE;
 static gboolean resizeable = FALSE;
 
-static gboolean config_changed = FALSE;
-
 static char nohelp_text[] =
     N_("Sorry, no help available for this option yet.\n");
 
@@ -50,6 +48,8 @@ GtkWidget *text_w = NULL;
 GtkWidget *hpaned = NULL;
 GtkWidget *vpaned = NULL;
 GtkWidget *back_btn = NULL;
+GtkWidget *save_btn = NULL;
+GtkWidget *save_menu_item = NULL;
 
 GtkTextTag *tag1, *tag2;
 GdkColor color;
@@ -75,7 +75,7 @@ static void display_tree_part(void);
 static void update_tree(struct menu *src, GtkTreeIter * dst);
 static void set_node(GtkTreeIter * node, struct menu *menu, gchar ** row);
 static gchar **fill_row(struct menu *menu);
-
+static void conf_changed(void);
 
 /* Helping/Debugging Functions */
 
@@ -224,6 +224,10 @@ void init_main_window(const gchar * glade_file)
 	gtk_check_menu_item_set_active((GtkCheckMenuItem *) widget,
 				       show_value);
 
+	save_btn = glade_xml_get_widget(xml, "button3");
+	save_menu_item = glade_xml_get_widget(xml, "save1");
+	conf_set_changed_callback(conf_changed);
+
 	style = gtk_widget_get_style(main_wnd);
 	widget = glade_xml_get_widget(xml, "toolbar1");
 
@@ -512,14 +516,14 @@ static void text_insert_msg(const char *title, const char *message)
 
 /* Main Windows Callbacks */
 
-void on_save1_activate(GtkMenuItem * menuitem, gpointer user_data);
+void on_save_activate(GtkMenuItem * menuitem, gpointer user_data);
 gboolean on_window1_delete_event(GtkWidget * widget, GdkEvent * event,
 				 gpointer user_data)
 {
 	GtkWidget *dialog, *label;
 	gint result;
 
-	if (config_changed == FALSE)
+	if (!conf_get_changed())
 		return FALSE;
 
 	dialog = gtk_dialog_new_with_buttons(_("Warning !"),
@@ -543,7 +547,7 @@ gboolean on_window1_delete_event(GtkWidget * widget, GdkEvent * event,
 	result = gtk_dialog_run(GTK_DIALOG(dialog));
 	switch (result) {
 	case GTK_RESPONSE_YES:
-		on_save1_activate(NULL, NULL);
+		on_save_activate(NULL, NULL);
 		return FALSE;
 	case GTK_RESPONSE_NO:
 		return FALSE;
@@ -621,12 +625,10 @@ void on_load1_activate(GtkMenuItem * menuitem, gpointer user_data)
 }
 
 
-void on_save1_activate(GtkMenuItem * menuitem, gpointer user_data)
+void on_save_activate(GtkMenuItem * menuitem, gpointer user_data)
 {
 	if (conf_write(NULL))
 		text_insert_msg(_("Error"), _("Unable to save configuration !"));
-
-	config_changed = FALSE;
 }
 
 
@@ -819,12 +821,6 @@ void on_load_clicked(GtkButton * button, gpointer user_data)
 }
 
 
-void on_save_clicked(GtkButton * button, gpointer user_data)
-{
-	on_save1_activate(NULL, user_data);
-}
-
-
 void on_single_clicked(GtkButton * button, gpointer user_data)
 {
 	view_mode = SINGLE_VIEW;
@@ -899,7 +895,6 @@ static void renderer_edited(GtkCellRendererText * cell,
 
 	sym_set_string_value(sym, new_def);
 
-	config_changed = TRUE;
 	update_tree(&rootmenu, NULL);
 
 	gtk_tree_path_free(path);
@@ -930,7 +925,6 @@ static void change_sym_value(struct menu *menu, gint col)
 		if (!sym_tristate_within_range(sym, newval))
 			newval = yes;
 		sym_set_tristate_value(sym, newval);
-		config_changed = TRUE;
 		if (view_mode == FULL_VIEW)
 			update_tree(&rootmenu, NULL);
 		else if (view_mode == SPLIT_VIEW) {
@@ -1633,3 +1627,10 @@ int main(int ac, char *av[])
 
 	return 0;
 }
+
+static void conf_changed(void)
+{
+	bool changed = conf_get_changed();
+	gtk_widget_set_sensitive(save_btn, changed);
+	gtk_widget_set_sensitive(save_menu_item, changed);
+}
diff --git a/scripts/kconfig/gconf.glade b/scripts/kconfig/gconf.glade
index f8744ed6496..803233fdd6d 100644
--- a/scripts/kconfig/gconf.glade
+++ b/scripts/kconfig/gconf.glade
@@ -70,7 +70,7 @@
 		      <property name="tooltip" translatable="yes">Save the config in .config</property>
 		      <property name="label" translatable="yes">_Save</property>
 		      <property name="use_underline">True</property>
-		      <signal name="activate" handler="on_save1_activate"/>
+		      <signal name="activate" handler="on_save_activate"/>
 		      <accelerator key="S" modifiers="GDK_CONTROL_MASK" signal="activate"/>
 
 		      <child internal-child="image">
@@ -380,7 +380,7 @@
 		  <property name="visible_horizontal">True</property>
 		  <property name="visible_vertical">True</property>
 		  <property name="is_important">False</property>
-		  <signal name="clicked" handler="on_save_clicked"/>
+		  <signal name="clicked" handler="on_save_activate"/>
 		</widget>
 		<packing>
 		  <property name="expand">False</property>
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 2628023a1fe..9b2706a4154 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -65,6 +65,8 @@ char *zconf_curname(void);
 
 /* confdata.c */
 char *conf_get_default_confname(void);
+void sym_set_change_count(int count);
+void sym_add_change_count(int count);
 
 /* kconfig_load.c */
 void kconfig_load(void);
diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
index a263746cfa7..15030770d1a 100644
--- a/scripts/kconfig/lkc_proto.h
+++ b/scripts/kconfig/lkc_proto.h
@@ -5,6 +5,8 @@ P(conf_read,int,(const char *name));
 P(conf_read_simple,int,(const char *name, int));
 P(conf_write,int,(const char *name));
 P(conf_write_autoconf,int,(void));
+P(conf_get_changed,bool,(void));
+P(conf_set_changed_callback, void,(void (*fn)(void)));
 
 /* menu.c */
 P(rootmenu,struct menu,);
@@ -16,7 +18,6 @@ P(menu_get_parent_menu,struct menu *,(struct menu *menu));
 
 /* symbol.c */
 P(symbol_hash,struct symbol *,[SYMBOL_HASHSIZE]);
-P(sym_change_count,int,);
 
 P(sym_lookup,struct symbol *,(const char *name, int isconst));
 P(sym_find,struct symbol *,(const char *name));
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index 08a4c7af93e..3f9a1321b3e 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -890,14 +890,19 @@ int main(int ac, char **av)
 	do {
 		conf(&rootmenu);
 		dialog_clear();
-		res = dialog_yesno(NULL,
-				   _("Do you wish to save your "
-				     "new kernel configuration?\n"
-				     "<ESC><ESC> to continue."),
-				   6, 60);
+		if (conf_get_changed())
+			res = dialog_yesno(NULL,
+					   _("Do you wish to save your "
+					     "new kernel configuration?\n"
+					     "<ESC><ESC> to continue."),
+					   6, 60);
+		else
+			res = -1;
 	} while (res == KEY_ESC);
 	end_dialog();
-	if (res == 0) {
+
+	switch (res) {
+	case 0:
 		if (conf_write(NULL)) {
 			fprintf(stderr, _("\n\n"
 				"Error during writing of the kernel configuration.\n"
@@ -905,11 +910,13 @@ int main(int ac, char **av)
 				"\n\n"));
 			return 1;
 		}
+	case -1:
 		printf(_("\n\n"
 			"*** End of Linux kernel configuration.\n"
 			"*** Execute 'make' to build the kernel or try 'make help'."
 			"\n\n"));
-	} else {
+		break;
+	default:
 		fprintf(stderr, _("\n\n"
 			"Your kernel configuration changes were NOT saved."
 			"\n\n"));
diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index f5628c57640..c0ae0a7ddb4 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -38,6 +38,8 @@
 static QApplication *configApp;
 static ConfigSettings *configSettings;
 
+QAction *ConfigMainWindow::saveAction;
+
 static inline QString qgettext(const char* str)
 {
 	return QString::fromLocal8Bit(gettext(str));
@@ -915,7 +917,7 @@ void ConfigView::updateListAll(void)
 }
 
 ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
-	: Parent(parent, name), menu(0)
+	: Parent(parent, name), menu(0), sym(0)
 {
 	if (name) {
 		configSettings->beginGroup(name);
@@ -951,6 +953,7 @@ void ConfigInfoView::setInfo(struct menu *m)
 	if (menu == m)
 		return;
 	menu = m;
+	sym = NULL;
 	if (!menu)
 		clear();
 	else
@@ -1306,8 +1309,11 @@ ConfigMainWindow::ConfigMainWindow(void)
 	  connect(quitAction, SIGNAL(activated()), SLOT(close()));
 	QAction *loadAction = new QAction("Load", QPixmap(xpm_load), "&Load", CTRL+Key_L, this);
 	  connect(loadAction, SIGNAL(activated()), SLOT(loadConfig()));
-	QAction *saveAction = new QAction("Save", QPixmap(xpm_save), "&Save", CTRL+Key_S, this);
+	saveAction = new QAction("Save", QPixmap(xpm_save), "&Save", CTRL+Key_S, this);
 	  connect(saveAction, SIGNAL(activated()), SLOT(saveConfig()));
+	conf_set_changed_callback(conf_changed);
+	// Set saveAction's initial state
+	conf_changed();
 	QAction *saveAsAction = new QAction("Save As...", "Save &As...", 0, this);
 	  connect(saveAsAction, SIGNAL(activated()), SLOT(saveConfigAs()));
 	QAction *searchAction = new QAction("Search", "&Search", CTRL+Key_F, this);
@@ -1585,7 +1591,7 @@ void ConfigMainWindow::showFullView(void)
  */
 void ConfigMainWindow::closeEvent(QCloseEvent* e)
 {
-	if (!sym_change_count) {
+	if (!conf_get_changed()) {
 		e->accept();
 		return;
 	}
@@ -1658,6 +1664,12 @@ void ConfigMainWindow::saveSettings(void)
 	configSettings->writeSizes("/split2", split2->sizes());
 }
 
+void ConfigMainWindow::conf_changed(void)
+{
+	if (saveAction)
+		saveAction->setEnabled(conf_get_changed());
+}
+
 void fixup_rootmenu(struct menu *menu)
 {
 	struct menu *child;
diff --git a/scripts/kconfig/qconf.h b/scripts/kconfig/qconf.h
index 6a9e3b14c22..6fc1c5f1442 100644
--- a/scripts/kconfig/qconf.h
+++ b/scripts/kconfig/qconf.h
@@ -297,6 +297,9 @@ protected:
 
 class ConfigMainWindow : public QMainWindow {
 	Q_OBJECT
+
+	static QAction *saveAction;
+	static void conf_changed(void);
 public:
 	ConfigMainWindow(void);
 public slots:
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index ee225ced2ce..8f06c474d80 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -30,7 +30,6 @@ struct symbol symbol_yes = {
 	.flags = SYMBOL_VALID,
 };
 
-int sym_change_count;
 struct symbol *sym_defconfig_list;
 struct symbol *modules_sym;
 tristate modules_val;
@@ -379,7 +378,7 @@ void sym_clear_all_valid(void)
 
 	for_all_symbols(i, sym)
 		sym->flags &= ~SYMBOL_VALID;
-	sym_change_count++;
+	sym_add_change_count(1);
 	if (modules_sym)
 		sym_calc_value(modules_sym);
 }
diff --git a/scripts/kconfig/zconf.tab.c_shipped b/scripts/kconfig/zconf.tab.c_shipped
index 2fb0a4fc61d..d777fe85627 100644
--- a/scripts/kconfig/zconf.tab.c_shipped
+++ b/scripts/kconfig/zconf.tab.c_shipped
@@ -2135,7 +2135,7 @@ void conf_parse(const char *name)
 		sym_check_deps(sym);
         }
 
-	sym_change_count = 1;
+	sym_set_change_count(1);
 }
 
 const char *zconf_tokenname(int token)
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index ab44feb3c60..04a5864c03b 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -504,7 +504,7 @@ void conf_parse(const char *name)
 		sym_check_deps(sym);
         }
 
-	sym_change_count = 1;
+	sym_set_change_count(1);
 }
 
 const char *zconf_tokenname(int token)
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index df3b272f7ce..f50a70f550b 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1469,6 +1469,7 @@ sub push_parameter($$$) {
 	my $param = shift;
 	my $type = shift;
 	my $file = shift;
+	my $anon = 0;
 
 	my $param_name = $param;
 	$param_name =~ s/\[.*//;
@@ -1484,9 +1485,20 @@ sub push_parameter($$$) {
 	    $param="void";
 	    $parameterdescs{void} = "no arguments";
 	}
+	elsif ($type eq "" && ($param eq "struct" or $param eq "union"))
+	# handle unnamed (anonymous) union or struct:
+	{
+		$type = $param;
+		$param = "{unnamed_" . $param. "}";
+		$parameterdescs{$param} = "anonymous\n";
+		$anon = 1;
+	}
+
 	# warn if parameter has no description
-	# (but ignore ones starting with # as these are no parameters
-	# but inline preprocessor statements
+	# (but ignore ones starting with # as these are not parameters
+	# but inline preprocessor statements);
+	# also ignore unnamed structs/unions;
+	if (!$anon) {
 	if (!defined $parameterdescs{$param_name} && $param_name !~ /^#/) {
 
 	    $parameterdescs{$param_name} = $undescribed;
@@ -1500,6 +1512,7 @@ sub push_parameter($$$) {
 	                 " No description found for parameter '$param'\n";
 	    ++$warnings;
         }
+        }
 
 	push @parameterlist, $param;
 	$parametertypes{$param} = $type;
diff --git a/scripts/makelst b/scripts/makelst
index 34bd7239123..4fc80f2b7e1 100755
--- a/scripts/makelst
+++ b/scripts/makelst
@@ -1,31 +1,31 @@
-#!/bin/bash
+#!/bin/sh
 # A script to dump mixed source code & assembly
 # with correct relocations from System.map
-# Requires the following lines in Rules.make.
-# Author(s): DJ Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) 
-#            William Stearns <wstearns@pobox.com>
+# Requires the following lines in makefile:
 #%.lst: %.c
 #	$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(CFLAGS_$@) -g -c -o $*.o $<
-#	$(TOPDIR)/scripts/makelst $*.o $(TOPDIR)/System.map $(OBJDUMP)
+#	$(srctree)/scripts/makelst $*.o $(objtree)/System.map $(OBJDUMP)
 #
-#    Copyright (C) 2000 IBM Corporation
-#    Author(s): DJ Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) 
+# Copyright (C) 2000 IBM Corporation
+# Author(s): DJ Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
+#            William Stearns <wstearns@pobox.com>
 #
 
-t1=`$3 --syms $1 | grep .text | grep " F " | head -n 1`
+# awk style field access
+field() {
+  shift $1 ; echo $1
+}
+
+t1=`$3 --syms $1 | grep .text | grep -m1 " F "`
 if [ -n "$t1" ]; then
-  t2=`echo $t1 | gawk '{ print $6 }'`
+  t2=`field 6 $t1`
   if [ ! -r $2 ]; then
     echo "No System.map" >&2
-    t7=0
   else
     t3=`grep $t2 $2`
-    t4=`echo $t3 | gawk '{ print $1 }'`
-    t5=`echo $t1 | gawk '{ print $1 }'`
-    t6=`echo $t4 - $t5 | tr a-f A-F`
-    t7=`( echo  ibase=16 ; echo $t6 ) | bc`
+    t4=`field 1 $t3`
+    t5=`field 1 $t1`
+    t6=`printf "%lu" $((0x$t4 - 0x$t5))`
   fi
-else
-  t7=0
 fi
-$3 -r --source --adjust-vma=$t7 $1
+$3 -r --source --adjust-vma=${t6:-0} $1
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index ac0a5822299..2aa47623f5f 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -582,9 +582,19 @@ static int strrcmp(const char *s, const char *sub)
  *   tosec   = .init.text | .exit.text | .init.data
  *   fromsec = .data
  *   atsym = *driver, *_template, *_sht, *_ops, *_probe, *probe_one
+ *
+ * Pattern 3:
+ *   Some symbols belong to init section but still it is ok to reference
+ *   these from non-init sections as these symbols don't have any memory
+ *   allocated for them and symbol address and value are same. So even
+ *   if init section is freed, its ok to reference those symbols.
+ *   For ex. symbols marking the init section boundaries.
+ *   This pattern is identified by
+ *   refsymname = __init_begin, _sinittext, _einittext
  **/
 static int secref_whitelist(const char *modname, const char *tosec,
-			    const char *fromsec, const char *atsym)
+			    const char *fromsec, const char *atsym,
+			    const char *refsymname)
 {
 	int f1 = 1, f2 = 1;
 	const char **s;
@@ -595,6 +605,14 @@ static int secref_whitelist(const char *modname, const char *tosec,
 		"_ops",
 		"_probe",
 		"_probe_one",
+		"_console",
+		NULL
+	};
+
+	const char *pat3refsym[] = {
+		"__init_begin",
+		"_sinittext",
+		"_einittext",
 		NULL
 	};
 
@@ -628,6 +646,11 @@ static int secref_whitelist(const char *modname, const char *tosec,
 		if ((strcmp(fromsec, ".pci_fixup") == 0) &&
 		    (strcmp(tosec, ".init.text") == 0))
 		return 1;
+
+		/* Check for pattern 3 */
+		for (s = pat3refsym; *s; s++)
+			if (strcmp(refsymname, *s) == 0)
+				return 1;
 	}
 	return 0;
 }
@@ -737,7 +760,7 @@ static void warn_sec_mismatch(const char *modname, const char *fromsec,
 	/* check whitelist - we may ignore it */
 	if (before &&
 	    secref_whitelist(modname, secname, fromsec,
-			     elf->strtab + before->st_name))
+			     elf->strtab + before->st_name, refsymname))
 		return;
 
 	if (before && after) {
@@ -997,6 +1020,7 @@ static int exit_section_ref_ok(const char *name)
 		"__bug_table", /* used by powerpc for BUG() */
 		".exitcall.exit",
 		".eh_frame",
+		".parainstructions",
 		".stab",
 		"__ex_table",
 		".fixup",