Backmerge tag 'v4.16-rc7' into drm-next

Linux 4.16-rc7

This was requested by Daniel, and things were getting
a bit hard to reconcile, most of the conflicts were
trivial though.

16 files changed, 47 insertions, 33 deletions

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 47cddf32aeba..4f2b25d43ec9 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -256,6 +256,8 @@ __objtool_obj := $(objtree)/tools/objtool/objtool
 
 objtool_args = $(if $(CONFIG_UNWINDER_ORC),orc generate,check)
 
+objtool_args += $(if $(part-of-module), --module,)
+
 ifndef CONFIG_FRAME_POINTER
 objtool_args += --no-fp
 endif
@@ -264,6 +266,12 @@ objtool_args += --no-unreachable
 else
 objtool_args += $(call cc-ifversion, -lt, 0405, --no-unreachable)
 endif
+ifdef CONFIG_RETPOLINE
+ifneq ($(RETPOLINE_CFLAGS),)
+  objtool_args += --retpoline
+endif
+endif
+
 
 ifdef CONFIG_MODVERSIONS
 objtool_o = $(@D)/.tmp_$(@F)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 5589bae34af6..a6f538b31ad6 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -297,11 +297,11 @@ cmd_dt_S_dtb=						\
 	echo '\#include <asm-generic/vmlinux.lds.h>'; 	\
 	echo '.section .dtb.init.rodata,"a"';		\
 	echo '.balign STRUCT_ALIGNMENT';		\
-	echo '.global __dtb_$(*F)_begin';		\
-	echo '__dtb_$(*F)_begin:';			\
+	echo '.global __dtb_$(subst -,_,$(*F))_begin';	\
+	echo '__dtb_$(subst -,_,$(*F))_begin:';		\
 	echo '.incbin "$<" ';				\
-	echo '__dtb_$(*F)_end:';			\
-	echo '.global __dtb_$(*F)_end';			\
+	echo '__dtb_$(subst -,_,$(*F))_end:';		\
+	echo '.global __dtb_$(subst -,_,$(*F))_end';	\
 	echo '.balign STRUCT_ALIGNMENT'; 		\
 ) > $@
 
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index fa3d39b6f23b..449b68c4c90c 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -93,14 +93,6 @@
  * (Note: it'd be easy to port over the complete mkdep state machine,
  *  but I don't think the added complexity is worth it)
  */
-/*
- * Note 2: if somebody writes HELLO_CONFIG_BOOM in a file, it will depend onto
- * CONFIG_BOOM. This could seem a bug (not too hard to fix), but please do not
- * fix it! Some UserModeLinux files (look at arch/um/) call CONFIG_BOOM as
- * UML_CONFIG_BOOM, to avoid conflicts with /usr/include/linux/autoconf.h,
- * through arch/um/include/uml-config.h; this fixdep "bug" makes sure that
- * those files will have correct dependencies.
- */
 
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -233,8 +225,13 @@ static int str_ends_with(const char *s, int slen, const char *sub)
 static void parse_config_file(const char *p)
 {
 	const char *q, *r;
+	const char *start = p;
 
 	while ((p = strstr(p, "CONFIG_"))) {
+		if (p > start && (isalnum(p[-1]) || p[-1] == '_')) {
+			p += 7;
+			continue;
+		}
 		p += 7;
 		q = p;
 		while (*q && (isalnum(*q) || *q == '_'))
@@ -286,8 +283,6 @@ static int is_ignored_file(const char *s, int len)
 {
 	return str_ends_with(s, len, "include/generated/autoconf.h") ||
 	       str_ends_with(s, len, "include/generated/autoksyms.h") ||
-	       str_ends_with(s, len, "arch/um/include/uml-config.h") ||
-	       str_ends_with(s, len, "include/linux/kconfig.h") ||
 	       str_ends_with(s, len, ".ver");
 }
 
diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter
index 94b664817ad9..d84a5674e95e 100755
--- a/scripts/bloat-o-meter
+++ b/scripts/bloat-o-meter
@@ -15,7 +15,7 @@ signal(SIGPIPE, SIG_DFL)
 if len(sys.argv) < 3:
     sys.stderr.write("usage: %s [option] file1 file2\n" % sys.argv[0])
     sys.stderr.write("The options are:\n")
-    sys.stderr.write("-c	cateogrize output based on symbole type\n")
+    sys.stderr.write("-c	categorize output based on symbol type\n")
     sys.stderr.write("-d	Show delta of Data Section\n")
     sys.stderr.write("-t	Show delta of text Section\n")
     sys.exit(-1)
diff --git a/scripts/coccinelle/api/memdup.cocci b/scripts/coccinelle/api/memdup.cocci
index 1249b727644b..8fd6437beda8 100644
--- a/scripts/coccinelle/api/memdup.cocci
+++ b/scripts/coccinelle/api/memdup.cocci
@@ -56,10 +56,10 @@ statement S;
 p << r.p;
 @@
 
-coccilib.org.print_todo(p[0], "WARNING opportunity for kmemdep")
+coccilib.org.print_todo(p[0], "WARNING opportunity for kmemdup")
 
 @script:python depends on report@
 p << r.p;
 @@
 
-coccilib.report.print_report(p[0], "WARNING opportunity for kmemdep")
+coccilib.report.print_report(p[0], "WARNING opportunity for kmemdup")
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 9ee9bf7fd1a2..65792650c630 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -595,7 +595,7 @@ static void optimize_result(void)
 		 * original char code */
 		if (!best_table_len[i]) {
 
-			/* find the token with the breates profit value */
+			/* find the token with the best profit value */
 			best = find_best_token();
 			if (token_profit[best] == 0)
 				break;
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 5c12dc91ef34..df26c7b0fe13 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -178,7 +178,7 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
 	case S_HEX:
 	done:
 		if (sym_string_valid(sym, p)) {
-			sym->def[def].val = strdup(p);
+			sym->def[def].val = xstrdup(p);
 			sym->flags |= def_flags;
 		} else {
 			if (def != S_DEF_AUTO)
diff --git a/scripts/kconfig/kxgettext.c b/scripts/kconfig/kxgettext.c
index 2858738b22d5..240880a89111 100644
--- a/scripts/kconfig/kxgettext.c
+++ b/scripts/kconfig/kxgettext.c
@@ -101,7 +101,7 @@ static struct message *message__new(const char *msg, char *option,
 	if (self->files == NULL)
 		goto out_fail;
 
-	self->msg = strdup(msg);
+	self->msg = xstrdup(msg);
 	if (self->msg == NULL)
 		goto out_fail_msg;
 
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 4e23febbe4b2..2d5ec2d0e952 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -115,6 +115,7 @@ int file_write_dep(const char *name);
 void *xmalloc(size_t size);
 void *xcalloc(size_t nmemb, size_t size);
 void *xrealloc(void *p, size_t size);
+char *xstrdup(const char *s);
 
 struct gstr {
 	size_t len;
diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
index a10bd9d6fafd..6c0bcd9c472d 100755
--- a/scripts/kconfig/lxdialog/check-lxdialog.sh
+++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
@@ -55,7 +55,8 @@ EOF
 	    echo " *** required header files."                            1>&2
 	    echo " *** 'make menuconfig' requires the ncurses libraries." 1>&2
 	    echo " *** "                                                  1>&2
-	    echo " *** Install ncurses (ncurses-devel) and try again."    1>&2
+	    echo " *** Install ncurses (ncurses-devel or libncurses-dev " 1>&2
+	    echo " *** depending on your distribution) and try again."    1>&2
 	    echo " *** "                                                  1>&2
 	    exit 1
 	fi
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 99222855544c..36cd3e1f1c28 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -212,6 +212,7 @@ void menu_add_option(int token, char *arg)
 			sym_defconfig_list = current_entry->sym;
 		else if (sym_defconfig_list != current_entry->sym)
 			zconf_error("trying to redefine defconfig symbol");
+		sym_defconfig_list->flags |= SYMBOL_AUTO;
 		break;
 	case T_OPT_ENV:
 		prop_add_env(arg);
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index cca9663be5dd..2220bc4b051b 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -183,7 +183,7 @@ static void sym_validate_range(struct symbol *sym)
 		sprintf(str, "%lld", val2);
 	else
 		sprintf(str, "0x%llx", val2);
-	sym->curr.val = strdup(str);
+	sym->curr.val = xstrdup(str);
 }
 
 static void sym_set_changed(struct symbol *sym)
@@ -849,7 +849,7 @@ struct symbol *sym_lookup(const char *name, int flags)
 				   : !(symbol->flags & (SYMBOL_CONST|SYMBOL_CHOICE))))
 				return symbol;
 		}
-		new_name = strdup(name);
+		new_name = xstrdup(name);
 	} else {
 		new_name = NULL;
 		hash = 0;
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index b98a79e30e04..c6f6e21b809f 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -154,3 +154,14 @@ void *xrealloc(void *p, size_t size)
 	fprintf(stderr, "Out of memory.\n");
 	exit(1);
 }
+
+char *xstrdup(const char *s)
+{
+	char *p;
+
+	p = strdup(s);
+	if (p)
+		return p;
+	fprintf(stderr, "Out of memory.\n");
+	exit(1);
+}
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 02de6fe302a9..88b650eb9cc9 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -332,16 +332,12 @@ void zconf_nextfile(const char *name)
 				"Inclusion path:\n  current file : '%s'\n",
 				zconf_curname(), zconf_lineno(),
 				zconf_curname());
-			iter = current_file->parent;
-			while (iter && \
-			       strcmp(iter->name,current_file->name)) {
-				fprintf(stderr, "  included from: '%s:%d'\n",
-					iter->name, iter->lineno-1);
+			iter = current_file;
+			do {
 				iter = iter->parent;
-			}
-			if (iter)
 				fprintf(stderr, "  included from: '%s:%d'\n",
-					iter->name, iter->lineno+1);
+					iter->name, iter->lineno - 1);
+			} while (strcmp(iter->name, current_file->name));
 			exit(1);
 		}
 	}
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 4be98050b961..ad6305b0f40c 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -127,7 +127,7 @@ no_mainmenu_stmt: /* empty */
 	 * later regardless of whether it comes from the 'prompt' in
 	 * mainmenu_stmt or here
 	 */
-	menu_add_prompt(P_MENU, strdup("Linux Kernel Configuration"), NULL);
+	menu_add_prompt(P_MENU, xstrdup("Linux Kernel Configuration"), NULL);
 };
 
 
@@ -276,6 +276,7 @@ choice: T_CHOICE word_opt T_EOL
 	sym->flags |= SYMBOL_AUTO;
 	menu_add_entry(sym);
 	menu_add_expr(P_CHOICE, NULL, NULL);
+	free($2);
 	printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
 };
 
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index c0d129d7f430..be56a1153014 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -246,7 +246,7 @@ else
 fi;
 
 # final build of init/
-${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init GCC_PLUGINS_CFLAGS="${GCC_PLUGINS_CFLAGS}"
+${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init
 
 archive_builtin