diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 13cda6a..e08f75a 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -12,6 +12,7 @@
  */
 
 #define _GNU_SOURCE
+#include <elf.h>
 #include <stdio.h>
 #include <ctype.h>
 #include <string.h>
@@ -29,8 +30,6 @@
 static int all_versions = 0;
 /* If we are modposting external module set to 1 */
 static int external_module = 0;
-/* Warn about section mismatch in vmlinux if set to 1 */
-static int vmlinux_section_warnings = 1;
 /* Only warn about unresolved symbols */
 static int warn_unresolved = 0;
 /* How a symbol is exported */
@@ -38,8 +37,8 @@
 static int sec_mismatch_fatal = 0;
 /* ignore missing files */
 static int ignore_missing_files;
-/* write namespace dependencies */
-static int write_namespace_deps;
+/* If set to 1, only warn (instead of error) about missing ns imports */
+static int allow_missing_ns_imports;
 
 enum export {
 	export_plain,      export_unused,     export_gpl,
@@ -52,41 +51,33 @@
 
 #define MODULE_NAME_LEN (64 - sizeof(Elf_Addr))
 
-#define PRINTF __attribute__ ((format (printf, 1, 2)))
-
-PRINTF void fatal(const char *fmt, ...)
+void __attribute__((format(printf, 2, 3)))
+modpost_log(enum loglevel loglevel, const char *fmt, ...)
 {
 	va_list arglist;
 
-	fprintf(stderr, "FATAL: ");
+	switch (loglevel) {
+	case LOG_WARN:
+		fprintf(stderr, "WARNING: ");
+		break;
+	case LOG_ERROR:
+		fprintf(stderr, "ERROR: ");
+		break;
+	case LOG_FATAL:
+		fprintf(stderr, "FATAL: ");
+		break;
+	default: /* invalid loglevel, ignore */
+		break;
+	}
+
+	fprintf(stderr, "modpost: ");
 
 	va_start(arglist, fmt);
 	vfprintf(stderr, fmt, arglist);
 	va_end(arglist);
 
-	exit(1);
-}
-
-PRINTF void warn(const char *fmt, ...)
-{
-	va_list arglist;
-
-	fprintf(stderr, "WARNING: ");
-
-	va_start(arglist, fmt);
-	vfprintf(stderr, fmt, arglist);
-	va_end(arglist);
-}
-
-PRINTF void merror(const char *fmt, ...)
-{
-	va_list arglist;
-
-	fprintf(stderr, "ERROR: ");
-
-	va_start(arglist, fmt);
-	vfprintf(stderr, fmt, arglist);
-	va_end(arglist);
+	if (loglevel == LOG_FATAL)
+		exit(1);
 }
 
 static inline bool strends(const char *str, const char *postfix)
@@ -97,28 +88,72 @@
 	return strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
 }
 
-static int is_vmlinux(const char *modname)
-{
-	const char *myname;
-
-	myname = strrchr(modname, '/');
-	if (myname)
-		myname++;
-	else
-		myname = modname;
-
-	return (strcmp(myname, "vmlinux") == 0) ||
-	       (strcmp(myname, "vmlinux.o") == 0);
-}
-
 void *do_nofail(void *ptr, const char *expr)
 {
 	if (!ptr)
-		fatal("modpost: Memory allocation failure: %s.\n", expr);
+		fatal("Memory allocation failure: %s.\n", expr);
 
 	return ptr;
 }
 
+char *read_text_file(const char *filename)
+{
+	struct stat st;
+	size_t nbytes;
+	int fd;
+	char *buf;
+
+	fd = open(filename, O_RDONLY);
+	if (fd < 0) {
+		perror(filename);
+		exit(1);
+	}
+
+	if (fstat(fd, &st) < 0) {
+		perror(filename);
+		exit(1);
+	}
+
+	buf = NOFAIL(malloc(st.st_size + 1));
+
+	nbytes = st.st_size;
+
+	while (nbytes) {
+		ssize_t bytes_read;
+
+		bytes_read = read(fd, buf, nbytes);
+		if (bytes_read < 0) {
+			perror(filename);
+			exit(1);
+		}
+
+		nbytes -= bytes_read;
+	}
+	buf[st.st_size] = '\0';
+
+	close(fd);
+
+	return buf;
+}
+
+char *get_line(char **stringp)
+{
+	char *orig = *stringp, *next;
+
+	/* do not return the unwanted extra line at EOF */
+	if (!orig || *orig == '\0')
+		return NULL;
+
+	/* don't use strsep here, it is not available everywhere */
+	next = strchr(orig, '\n');
+	if (next)
+		*next++ = '\0';
+
+	*stringp = next;
+
+	return orig;
+}
+
 /* A list of all modules we processed */
 static struct module *modules;
 
@@ -135,24 +170,20 @@
 static struct module *new_module(const char *modname)
 {
 	struct module *mod;
-	char *p;
 
-	mod = NOFAIL(malloc(sizeof(*mod)));
+	mod = NOFAIL(malloc(sizeof(*mod) + strlen(modname) + 1));
 	memset(mod, 0, sizeof(*mod));
-	p = NOFAIL(strdup(modname));
-
-	/* strip trailing .o */
-	if (strends(p, ".o")) {
-		p[strlen(p) - 2] = '\0';
-		mod->is_dot_o = 1;
-	}
 
 	/* add to list */
-	mod->name = p;
+	strcpy(mod->name, modname);
+	mod->is_vmlinux = (strcmp(modname, "vmlinux") == 0);
 	mod->gpl_compatible = -1;
 	mod->next = modules;
 	modules = mod;
 
+	if (mod->is_vmlinux)
+		have_vmlinux = 1;
+
 	return mod;
 }
 
@@ -168,13 +199,9 @@
 	int crc_valid;
 	char *namespace;
 	unsigned int weak:1;
-	unsigned int vmlinux:1;    /* 1 if symbol is defined in vmlinux */
-	unsigned int kernel:1;     /* 1 if symbol is from kernel
-				    *  (only for external modules) **/
-	unsigned int preloaded:1;  /* 1 if symbol from Module.symvers, or crc */
 	unsigned int is_static:1;  /* 1 if symbol is not global */
 	enum export  export;       /* Type of export */
-	char name[0];
+	char name[];
 };
 
 static struct symbol *symbolhash[SYMBOL_HASH_SIZE];
@@ -214,13 +241,11 @@
 				 enum export export)
 {
 	unsigned int hash;
-	struct symbol *new;
 
 	hash = tdb_hash(name) % SYMBOL_HASH_SIZE;
-	new = symbolhash[hash] = alloc_symbol(name, 0, symbolhash[hash]);
-	new->module = module;
-	new->export = export;
-	return new;
+	symbolhash[hash] = alloc_symbol(name, 0, symbolhash[hash]);
+
+	return symbolhash[hash];
 }
 
 static struct symbol *find_symbol(const char *name)
@@ -241,10 +266,8 @@
 static bool contains_namespace(struct namespace_list *list,
 			       const char *namespace)
 {
-	struct namespace_list *ns_entry;
-
-	for (ns_entry = list; ns_entry != NULL; ns_entry = ns_entry->next)
-		if (strcmp(ns_entry->namespace, namespace) == 0)
+	for (; list; list = list->next)
+		if (!strcmp(list->namespace, namespace))
 			return true;
 
 	return false;
@@ -300,16 +323,32 @@
 	return export_unknown;
 }
 
-static const char *sech_name(struct elf_info *elf, Elf_Shdr *sechdr)
+static void *sym_get_data_by_offset(const struct elf_info *info,
+				    unsigned int secindex, unsigned long offset)
 {
-	return (void *)elf->hdr +
-		elf->sechdrs[elf->secindex_strings].sh_offset +
-		sechdr->sh_name;
+	Elf_Shdr *sechdr = &info->sechdrs[secindex];
+
+	if (info->hdr->e_type != ET_REL)
+		offset -= sechdr->sh_addr;
+
+	return (void *)info->hdr + sechdr->sh_offset + offset;
 }
 
-static const char *sec_name(struct elf_info *elf, int secindex)
+static void *sym_get_data(const struct elf_info *info, const Elf_Sym *sym)
 {
-	return sech_name(elf, &elf->sechdrs[secindex]);
+	return sym_get_data_by_offset(info, get_secindex(info, sym),
+				      sym->st_value);
+}
+
+static const char *sech_name(const struct elf_info *info, Elf_Shdr *sechdr)
+{
+	return sym_get_data_by_offset(info, info->secindex_strings,
+				      sechdr->sh_name);
+}
+
+static const char *sec_name(const struct elf_info *info, int secindex)
+{
+	return sech_name(info, &info->sechdrs[secindex]);
 }
 
 #define strstarts(str, prefix) (strncmp(str, prefix, strlen(prefix)) == 0)
@@ -348,10 +387,10 @@
 		return export_unknown;
 }
 
-static const char *namespace_from_kstrtabns(struct elf_info *info,
-					    Elf_Sym *kstrtabns)
+static const char *namespace_from_kstrtabns(const struct elf_info *info,
+					    const Elf_Sym *sym)
 {
-	char *value = info->ksymtab_strings + kstrtabns->st_value;
+	const char *value = sym_get_data(info, sym);
 	return value[0] ? value : NULL;
 }
 
@@ -385,38 +424,35 @@
 
 	if (!s) {
 		s = new_symbol(name, mod, export);
-	} else {
-		if (!s->preloaded) {
-			warn("%s: '%s' exported twice. Previous export was in %s%s\n",
-			     mod->name, name, s->module->name,
-			     is_vmlinux(s->module->name) ? "" : ".ko");
-		} else {
-			/* In case Module.symvers was out of date */
-			s->module = mod;
-		}
+	} else if (!external_module || s->module->is_vmlinux ||
+		   s->module == mod) {
+		warn("%s: '%s' exported twice. Previous export was in %s%s\n",
+		     mod->name, name, s->module->name,
+		     s->module->is_vmlinux ? "" : ".ko");
+		return s;
 	}
-	s->preloaded = 0;
-	s->vmlinux   = is_vmlinux(mod->name);
-	s->kernel    = 0;
+
+	s->module = mod;
 	s->export    = export;
 	return s;
 }
 
-static void sym_update_crc(const char *name, struct module *mod,
-			   unsigned int crc, enum export export)
+static void sym_set_crc(const char *name, unsigned int crc)
 {
 	struct symbol *s = find_symbol(name);
 
-	if (!s) {
-		s = new_symbol(name, mod, export);
-		/* Don't complain when we find it later. */
-		s->preloaded = 1;
-	}
+	/*
+	 * Ignore stand-alone __crc_*, which might be auto-generated symbols
+	 * such as __*_veneer in ARM ELF.
+	 */
+	if (!s)
+		return;
+
 	s->crc = crc;
 	s->crc_valid = 1;
 }
 
-void *grab_file(const char *filename, unsigned long *size)
+static void *grab_file(const char *filename, size_t *size)
 {
 	struct stat st;
 	void *map = MAP_FAILED;
@@ -438,41 +474,7 @@
 	return map;
 }
 
-/**
-  * Return a copy of the next line in a mmap'ed file.
-  * spaces in the beginning of the line is trimmed away.
-  * Return a pointer to a static buffer.
-  **/
-char *get_next_line(unsigned long *pos, void *file, unsigned long size)
-{
-	static char line[4096];
-	int skip = 1;
-	size_t len = 0;
-	signed char *p = (signed char *)file + *pos;
-	char *s = line;
-
-	for (; *pos < size ; (*pos)++) {
-		if (skip && isspace(*p)) {
-			p++;
-			continue;
-		}
-		skip = 0;
-		if (*p != '\n' && (*pos < size)) {
-			len++;
-			*s++ = *p++;
-			if (len > 4095)
-				break; /* Too long, stop */
-		} else {
-			/* End of string */
-			*s = '\0';
-			return line;
-		}
-	}
-	/* End of buffer */
-	return NULL;
-}
-
-void release_file(void *file, unsigned long size)
+static void release_file(void *file, size_t size)
 {
 	munmap(file, size);
 }
@@ -528,9 +530,8 @@
 
 	/* Check if file offset is correct */
 	if (hdr->e_shoff > info->size) {
-		fatal("section header offset=%lu in file '%s' is bigger than "
-		      "filesize=%lu\n", (unsigned long)hdr->e_shoff,
-		      filename, info->size);
+		fatal("section header offset=%lu in file '%s' is bigger than filesize=%zu\n",
+		      (unsigned long)hdr->e_shoff, filename, info->size);
 		return 0;
 	}
 
@@ -593,10 +594,6 @@
 			info->export_unused_gpl_sec = i;
 		else if (strcmp(secname, "__ksymtab_gpl_future") == 0)
 			info->export_gpl_future_sec = i;
-		else if (strcmp(secname, "__ksymtab_strings") == 0)
-			info->ksymtab_strings = (void *)hdr +
-						sechdrs[i].sh_offset -
-						sechdrs[i].sh_addr;
 
 		if (sechdrs[i].sh_type == SHT_SYMTAB) {
 			unsigned int sh_link_idx;
@@ -679,38 +676,41 @@
 	return 0;
 }
 
-static void handle_modversions(struct module *mod, struct elf_info *info,
-			       Elf_Sym *sym, const char *symname)
+static void handle_modversion(const struct module *mod,
+			      const struct elf_info *info,
+			      const Elf_Sym *sym, const char *symname)
 {
 	unsigned int crc;
+
+	if (sym->st_shndx == SHN_UNDEF) {
+		warn("EXPORT symbol \"%s\" [%s%s] version generation failed, symbol will not be versioned.\n",
+		     symname, mod->name, mod->is_vmlinux ? "" : ".ko");
+		return;
+	}
+
+	if (sym->st_shndx == SHN_ABS) {
+		crc = sym->st_value;
+	} else {
+		unsigned int *crcp;
+
+		/* symbol points to the CRC in the ELF object */
+		crcp = sym_get_data(info, sym);
+		crc = TO_NATIVE(*crcp);
+	}
+	sym_set_crc(symname, crc);
+}
+
+static void handle_symbol(struct module *mod, struct elf_info *info,
+			  const Elf_Sym *sym, const char *symname)
+{
 	enum export export;
-	bool is_crc = false;
 	const char *name;
 
-	if ((!is_vmlinux(mod->name) || mod->is_dot_o) &&
-	    strstarts(symname, "__ksymtab"))
+	if (strstarts(symname, "__ksymtab"))
 		export = export_from_secname(info, get_secindex(info, sym));
 	else
 		export = export_from_sec(info, get_secindex(info, sym));
 
-	/* CRC'd symbol */
-	if (strstarts(symname, "__crc_")) {
-		is_crc = true;
-		crc = (unsigned int) sym->st_value;
-		if (sym->st_shndx != SHN_UNDEF && sym->st_shndx != SHN_ABS) {
-			unsigned int *crcp;
-
-			/* symbol points to the CRC in the ELF object */
-			crcp = (void *)info->hdr + sym->st_value +
-			       info->sechdrs[sym->st_shndx].sh_offset -
-			       (info->hdr->e_type != ET_REL ?
-				info->sechdrs[sym->st_shndx].sh_addr : 0);
-			crc = TO_NATIVE(*crcp);
-		}
-		sym_update_crc(symname + strlen("__crc_"), mod, crc,
-				export);
-	}
-
 	switch (sym->st_shndx) {
 	case SHN_COMMON:
 		if (strstarts(symname, "__gnu_lto_")) {
@@ -725,12 +725,6 @@
 			break;
 		if (ignore_undef_symbol(info, symname))
 			break;
-/* cope with newer glibc (2.3.4 or higher) STT_ definition in elf.h */
-#if defined(STT_REGISTER) || defined(STT_SPARC_REGISTER)
-/* add compatibility with older glibc */
-#ifndef STT_SPARC_REGISTER
-#define STT_SPARC_REGISTER STT_REGISTER
-#endif
 		if (info->hdr->e_machine == EM_SPARC ||
 		    info->hdr->e_machine == EM_SPARCV9) {
 			/* Ignore register directives. */
@@ -743,13 +737,7 @@
 				symname = munged;
 			}
 		}
-#endif
 
-		if (is_crc) {
-			const char *e = is_vmlinux(mod->name) ?"":".ko";
-			warn("EXPORT symbol \"%s\" [%s%s] version generation failed, symbol will not be versioned.\n",
-			     symname + strlen("__crc_"), mod->name, e);
-		}
 		mod->unres = alloc_symbol(symname,
 					  ELF_ST_BIND(sym->st_info) == STB_WEAK,
 					  mod->unres);
@@ -1764,11 +1752,7 @@
 static unsigned int *reloc_location(struct elf_info *elf,
 				    Elf_Shdr *sechdr, Elf_Rela *r)
 {
-	Elf_Shdr *sechdrs = elf->sechdrs;
-	int section = sechdr->sh_info;
-
-	return (void *)elf->hdr + sechdrs[section].sh_offset +
-		r->r_offset;
+	return sym_get_data_by_offset(elf, sechdr->sh_info, r->r_offset);
 }
 
 static int addend_386_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)
@@ -2017,51 +2001,57 @@
 	if (!parse_elf(&info, modname))
 		return;
 
-	mod = new_module(modname);
+	{
+		char *tmp;
 
-	/* When there's no vmlinux, don't print warnings about
-	 * unresolved symbols (since there'll be too many ;) */
-	if (is_vmlinux(modname)) {
-		have_vmlinux = 1;
-		mod->skip = 1;
+		/* strip trailing .o */
+		tmp = NOFAIL(strdup(modname));
+		tmp[strlen(tmp) - 2] = '\0';
+		mod = new_module(tmp);
+		free(tmp);
 	}
 
-	license = get_modinfo(&info, "license");
-	if (!license && !is_vmlinux(modname))
-		warn("modpost: missing MODULE_LICENSE() in %s\n"
-		     "see include/linux/module.h for "
-		     "more information\n", modname);
-	while (license) {
-		if (license_is_gpl_compatible(license))
-			mod->gpl_compatible = 1;
-		else {
-			mod->gpl_compatible = 0;
-			break;
+	if (!mod->is_vmlinux) {
+		license = get_modinfo(&info, "license");
+		if (!license)
+			warn("missing MODULE_LICENSE() in %s\n", modname);
+		while (license) {
+			if (license_is_gpl_compatible(license))
+				mod->gpl_compatible = 1;
+			else {
+				mod->gpl_compatible = 0;
+				break;
+			}
+			license = get_next_modinfo(&info, "license", license);
 		}
-		license = get_next_modinfo(&info, "license", license);
-	}
 
-	namespace = get_modinfo(&info, "import_ns");
-	while (namespace) {
-		add_namespace(&mod->imported_namespaces, namespace);
-		namespace = get_next_modinfo(&info, "import_ns", namespace);
+		namespace = get_modinfo(&info, "import_ns");
+		while (namespace) {
+			add_namespace(&mod->imported_namespaces, namespace);
+			namespace = get_next_modinfo(&info, "import_ns",
+						     namespace);
+		}
 	}
 
 	for (sym = info.symtab_start; sym < info.symtab_stop; sym++) {
 		symname = remove_dot(info.strtab + sym->st_name);
 
-		handle_modversions(mod, &info, sym, symname);
+		handle_symbol(mod, &info, sym, symname);
 		handle_moddevtable(mod, &info, sym, symname);
 	}
 
-	/* Apply symbol namespaces from __kstrtabns_<symbol> entries. */
 	for (sym = info.symtab_start; sym < info.symtab_stop; sym++) {
 		symname = remove_dot(info.strtab + sym->st_name);
 
+		/* Apply symbol namespaces from __kstrtabns_<symbol> entries. */
 		if (strstarts(symname, "__kstrtabns_"))
 			sym_update_namespace(symname + strlen("__kstrtabns_"),
 					     namespace_from_kstrtabns(&info,
 								      sym));
+
+		if (strstarts(symname, "__crc_"))
+			handle_modversion(mod, &info, sym,
+					  symname + strlen("__crc_"));
 	}
 
 	// check for static EXPORT_SYMBOL_* functions && global vars
@@ -2078,16 +2068,14 @@
 		}
 	}
 
-	if (!is_vmlinux(modname) || vmlinux_section_warnings)
-		check_sec_ref(mod, modname, &info);
+	check_sec_ref(mod, modname, &info);
 
-	version = get_modinfo(&info, "version");
-	if (version)
-		maybe_frob_rcs_version(modname, version, info.modinfo,
-				       version - (char *)info.hdr);
-	if (version || (all_versions && !is_vmlinux(modname)))
-		get_src_version(modname, mod->srcversion,
-				sizeof(mod->srcversion)-1);
+	if (!mod->is_vmlinux) {
+		version = get_modinfo(&info, "version");
+		if (version || all_versions)
+			get_src_version(modname, mod->srcversion,
+					sizeof(mod->srcversion) - 1);
+	}
 
 	parse_elf_finish(&info);
 
@@ -2151,20 +2139,18 @@
 
 static void check_for_gpl_usage(enum export exp, const char *m, const char *s)
 {
-	const char *e = is_vmlinux(m) ?"":".ko";
-
 	switch (exp) {
 	case export_gpl:
-		fatal("modpost: GPL-incompatible module %s%s "
-		      "uses GPL-only symbol '%s'\n", m, e, s);
+		fatal("GPL-incompatible module %s.ko uses GPL-only symbol '%s'\n",
+		      m, s);
 		break;
 	case export_unused_gpl:
-		fatal("modpost: GPL-incompatible module %s%s "
-		      "uses GPL-only symbol marked UNUSED '%s'\n", m, e, s);
+		fatal("GPL-incompatible module %s.ko uses GPL-only symbol marked UNUSED '%s'\n",
+		      m, s);
 		break;
 	case export_gpl_future:
-		warn("modpost: GPL-incompatible module %s%s "
-		      "uses future GPL-only symbol '%s'\n", m, e, s);
+		warn("GPL-incompatible module %s.ko uses future GPL-only symbol '%s'\n",
+		     m, s);
 		break;
 	case export_plain:
 	case export_unused:
@@ -2176,13 +2162,11 @@
 
 static void check_for_unused(enum export exp, const char *m, const char *s)
 {
-	const char *e = is_vmlinux(m) ?"":".ko";
-
 	switch (exp) {
 	case export_unused:
 	case export_unused_gpl:
-		warn("modpost: module %s%s "
-		      "uses symbol '%s' marked UNUSED\n", m, e, s);
+		warn("module %s.ko uses symbol '%s' marked UNUSED\n",
+		     m, s);
 		break;
 	default:
 		/* ignore */
@@ -2200,14 +2184,11 @@
 		exp = find_symbol(s->name);
 		if (!exp || exp->module == mod) {
 			if (have_vmlinux && !s->weak) {
-				if (warn_unresolved) {
-					warn("\"%s\" [%s.ko] undefined!\n",
-					     s->name, mod->name);
-				} else {
-					merror("\"%s\" [%s.ko] undefined!\n",
-					       s->name, mod->name);
+				modpost_log(warn_unresolved ? LOG_WARN : LOG_ERROR,
+					    "\"%s\" [%s.ko] undefined!\n",
+					    s->name, mod->name);
+				if (!warn_unresolved)
 					err = 1;
-				}
 			}
 			continue;
 		}
@@ -2217,15 +2198,14 @@
 		else
 			basename = mod->name;
 
-		if (exp->namespace) {
-			add_namespace(&mod->required_namespaces,
-				      exp->namespace);
-
-			if (!write_namespace_deps &&
-			    !module_imports_namespace(mod, exp->namespace)) {
-				warn("module %s uses symbol %s from namespace %s, but does not import it.\n",
-				     basename, exp->name, exp->namespace);
-			}
+		if (exp->namespace &&
+		    !module_imports_namespace(mod, exp->namespace)) {
+			modpost_log(allow_missing_ns_imports ? LOG_WARN : LOG_ERROR,
+				    "module %s uses symbol %s from namespace %s, but does not import it.\n",
+				    basename, exp->name, exp->namespace);
+			if (!allow_missing_ns_imports)
+				err = 1;
+			add_namespace(&mod->missing_namespaces, exp->namespace);
 		}
 
 		if (!mod->gpl_compatible)
@@ -2258,8 +2238,13 @@
  **/
 static void add_header(struct buffer *b, struct module *mod)
 {
-	buf_printf(b, "#include <linux/build-salt.h>\n");
 	buf_printf(b, "#include <linux/module.h>\n");
+	/*
+	 * Include build-salt.h after module.h in order to
+	 * inherit the definitions.
+	 */
+	buf_printf(b, "#define INCLUDE_VERMAGIC\n");
+	buf_printf(b, "#include <linux/build-salt.h>\n");
 	buf_printf(b, "#include <linux/vermagic.h>\n");
 	buf_printf(b, "#include <linux/compiler.h>\n");
 	buf_printf(b, "\n");
@@ -2269,7 +2254,7 @@
 	buf_printf(b, "MODULE_INFO(name, KBUILD_MODNAME);\n");
 	buf_printf(b, "\n");
 	buf_printf(b, "__visible struct module __this_module\n");
-	buf_printf(b, "__section(.gnu.linkonce.this_module) = {\n");
+	buf_printf(b, "__section(\".gnu.linkonce.this_module\") = {\n");
 	buf_printf(b, "\t.name = KBUILD_MODNAME,\n");
 	if (mod->has_init)
 		buf_printf(b, "\t.init = init_module,\n");
@@ -2323,7 +2308,7 @@
 
 	buf_printf(b, "\n");
 	buf_printf(b, "static const struct modversion_info ____versions[]\n");
-	buf_printf(b, "__used __section(__versions) = {\n");
+	buf_printf(b, "__used __section(\"__versions\") = {\n");
 
 	for (s = mod->unres; s; s = s->next) {
 		if (!s->module)
@@ -2356,7 +2341,7 @@
 	/* Clear ->seen flag of modules that own symbols needed by this. */
 	for (s = mod->unres; s; s = s->next)
 		if (s->module)
-			s->module->seen = is_vmlinux(s->module->name);
+			s->module->seen = s->module->is_vmlinux;
 
 	buf_printf(b, "\n");
 	buf_printf(b, "MODULE_INFO(depends, \"");
@@ -2389,6 +2374,25 @@
 	}
 }
 
+static void write_buf(struct buffer *b, const char *fname)
+{
+	FILE *file;
+
+	file = fopen(fname, "w");
+	if (!file) {
+		perror(fname);
+		exit(1);
+	}
+	if (fwrite(b->p, 1, b->pos, file) != b->pos) {
+		perror(fname);
+		exit(1);
+	}
+	if (fclose(file) != 0) {
+		perror(fname);
+		exit(1);
+	}
+}
+
 static void write_if_changed(struct buffer *b, const char *fname)
 {
 	char *tmp;
@@ -2421,32 +2425,24 @@
  close_write:
 	fclose(file);
  write:
-	file = fopen(fname, "w");
-	if (!file) {
-		perror(fname);
-		exit(1);
-	}
-	if (fwrite(b->p, 1, b->pos, file) != b->pos) {
-		perror(fname);
-		exit(1);
-	}
-	fclose(file);
+	write_buf(b, fname);
 }
 
 /* parse Module.symvers file. line format:
  * 0x12345678<tab>symbol<tab>module<tab>export<tab>namespace
  **/
-static void read_dump(const char *fname, unsigned int kernel)
+static void read_dump(const char *fname)
 {
-	unsigned long size, pos = 0;
-	void *file = grab_file(fname, &size);
-	char *line;
+	char *buf, *pos, *line;
 
-	if (!file)
+	buf = read_text_file(fname);
+	if (!buf)
 		/* No symbol versions, silently ignore */
 		return;
 
-	while ((line = get_next_line(&pos, file, size))) {
+	pos = buf;
+
+	while ((line = get_line(&pos))) {
 		char *symname, *namespace, *modname, *d, *export;
 		unsigned int crc;
 		struct module *mod;
@@ -2470,38 +2466,21 @@
 			goto fail;
 		mod = find_module(modname);
 		if (!mod) {
-			if (is_vmlinux(modname))
-				have_vmlinux = 1;
 			mod = new_module(modname);
-			mod->skip = 1;
+			mod->from_dump = 1;
 		}
 		s = sym_add_exported(symname, mod, export_no(export));
-		s->kernel    = kernel;
-		s->preloaded = 1;
 		s->is_static = 0;
-		sym_update_crc(symname, mod, crc, export_no(export));
+		sym_set_crc(symname, crc);
 		sym_update_namespace(symname, namespace);
 	}
-	release_file(file, size);
+	free(buf);
 	return;
 fail:
-	release_file(file, size);
+	free(buf);
 	fatal("parse error in symbol dump file\n");
 }
 
-/* For normal builds always dump all symbols.
- * For external modules only dump symbols
- * that are not read from kernel Module.symvers.
- **/
-static int dump_sym(struct symbol *sym)
-{
-	if (!external_module)
-		return 1;
-	if (sym->vmlinux || sym->kernel)
-		return 0;
-	return 1;
-}
-
 static void write_dump(const char *fname)
 {
 	struct buffer buf = { };
@@ -2512,7 +2491,7 @@
 	for (n = 0; n < SYMBOL_HASH_SIZE ; n++) {
 		symbol = symbolhash[n];
 		while (symbol) {
-			if (dump_sym(symbol)) {
+			if (!symbol->module->from_dump) {
 				namespace = symbol->namespace;
 				buf_printf(&buf, "0x%08x\t%s\t%s\t%s\t%s\n",
 					   symbol->crc, symbol->name,
@@ -2523,37 +2502,35 @@
 			symbol = symbol->next;
 		}
 	}
-	write_if_changed(&buf, fname);
+	write_buf(&buf, fname);
 	free(buf.p);
 }
 
-static void write_namespace_deps_files(void)
+static void write_namespace_deps_files(const char *fname)
 {
 	struct module *mod;
 	struct namespace_list *ns;
 	struct buffer ns_deps_buf = {};
 
 	for (mod = modules; mod; mod = mod->next) {
-		char fname[PATH_MAX];
 
-		if (mod->skip)
+		if (mod->from_dump || !mod->missing_namespaces)
 			continue;
 
-		ns_deps_buf.pos = 0;
+		buf_printf(&ns_deps_buf, "%s.ko:", mod->name);
 
-		for (ns = mod->required_namespaces; ns; ns = ns->next)
-			buf_printf(&ns_deps_buf, "%s\n", ns->namespace);
+		for (ns = mod->missing_namespaces; ns; ns = ns->next)
+			buf_printf(&ns_deps_buf, " %s", ns->namespace);
 
-		if (ns_deps_buf.pos == 0)
-			continue;
-
-		sprintf(fname, "%s.ns_deps", mod->name);
-		write_if_changed(&ns_deps_buf, fname);
+		buf_printf(&ns_deps_buf, "\n");
 	}
+
+	write_if_changed(&ns_deps_buf, fname);
+	free(ns_deps_buf.p);
 }
 
-struct ext_sym_list {
-	struct ext_sym_list *next;
+struct dump_list {
+	struct dump_list *next;
 	const char *file;
 };
 
@@ -2561,30 +2538,24 @@
 {
 	struct module *mod;
 	struct buffer buf = { };
-	char *kernel_read = NULL, *module_read = NULL;
+	char *missing_namespace_deps = NULL;
 	char *dump_write = NULL, *files_source = NULL;
 	int opt;
 	int err;
 	int n;
-	struct ext_sym_list *extsym_iter;
-	struct ext_sym_list *extsym_start = NULL;
+	struct dump_list *dump_read_start = NULL;
+	struct dump_list **dump_read_iter = &dump_read_start;
 
-	while ((opt = getopt(argc, argv, "i:I:e:mnsT:o:awEd")) != -1) {
+	while ((opt = getopt(argc, argv, "ei:mnT:o:awENd:")) != -1) {
 		switch (opt) {
-		case 'i':
-			kernel_read = optarg;
-			break;
-		case 'I':
-			module_read = optarg;
-			external_module = 1;
-			break;
 		case 'e':
 			external_module = 1;
-			extsym_iter =
-			   NOFAIL(malloc(sizeof(*extsym_iter)));
-			extsym_iter->next = extsym_start;
-			extsym_iter->file = optarg;
-			extsym_start = extsym_iter;
+			break;
+		case 'i':
+			*dump_read_iter =
+				NOFAIL(calloc(1, sizeof(**dump_read_iter)));
+			(*dump_read_iter)->file = optarg;
+			dump_read_iter = &(*dump_read_iter)->next;
 			break;
 		case 'm':
 			modversions = 1;
@@ -2598,9 +2569,6 @@
 		case 'a':
 			all_versions = 1;
 			break;
-		case 's':
-			vmlinux_section_warnings = 0;
-			break;
 		case 'T':
 			files_source = optarg;
 			break;
@@ -2610,23 +2578,24 @@
 		case 'E':
 			sec_mismatch_fatal = 1;
 			break;
+		case 'N':
+			allow_missing_ns_imports = 1;
+			break;
 		case 'd':
-			write_namespace_deps = 1;
+			missing_namespace_deps = optarg;
 			break;
 		default:
 			exit(1);
 		}
 	}
 
-	if (kernel_read)
-		read_dump(kernel_read, 1);
-	if (module_read)
-		read_dump(module_read, 0);
-	while (extsym_start) {
-		read_dump(extsym_start->file, 0);
-		extsym_iter = extsym_start->next;
-		free(extsym_start);
-		extsym_start = extsym_iter;
+	while (dump_read_start) {
+		struct dump_list *tmp;
+
+		read_dump(dump_read_start->file);
+		tmp = dump_read_start->next;
+		free(dump_read_start);
+		dump_read_start = tmp;
 	}
 
 	while (optind < argc)
@@ -2635,20 +2604,25 @@
 	if (files_source)
 		read_symbols_from_files(files_source);
 
+	/*
+	 * When there's no vmlinux, don't print warnings about
+	 * unresolved symbols (since there'll be too many ;)
+	 */
+	if (!have_vmlinux)
+		warn("Symbol info of vmlinux is missing. Unresolved symbol check will be entirely skipped.\n");
+
 	err = 0;
 
 	for (mod = modules; mod; mod = mod->next) {
 		char fname[PATH_MAX];
 
-		if (mod->skip)
+		if (mod->is_vmlinux || mod->from_dump)
 			continue;
 
 		buf.pos = 0;
 
 		err |= check_modname_len(mod);
 		err |= check_exports(mod);
-		if (write_namespace_deps)
-			continue;
 
 		add_header(&buf, mod);
 		add_intree_flag(&buf, !external_module);
@@ -2663,27 +2637,18 @@
 		write_if_changed(&buf, fname);
 	}
 
-	if (write_namespace_deps) {
-		write_namespace_deps_files();
-		return 0;
-	}
+	if (missing_namespace_deps)
+		write_namespace_deps_files(missing_namespace_deps);
 
 	if (dump_write)
 		write_dump(dump_write);
 	if (sec_mismatch_count && sec_mismatch_fatal)
-		fatal("modpost: Section mismatches detected.\n"
+		fatal("Section mismatches detected.\n"
 		      "Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.\n");
 	for (n = 0; n < SYMBOL_HASH_SIZE; n++) {
 		struct symbol *s;
 
 		for (s = symbolhash[n]; s; s = s->next) {
-			/*
-			 * Do not check "vmlinux". This avoids the same warnings
-			 * shown twice, and false-positives for ARCH=um.
-			 */
-			if (is_vmlinux(s->module->name) && !s->module->is_dot_o)
-				continue;
-
 			if (s->is_static)
 				warn("\"%s\" [%s] is a static %s\n",
 				     s->name, s->module->name,