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modpost: add mod->is_vmlinux struct member 

is_vmlinux() is called in several places to check whether the current
module is vmlinux or not.

It is faster and clearer to check mod->is_vmlinux flag.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2020-06-01 14:57:26 +09:00
parent 1be5fa6c94
commit 5a438af9db
2 changed files with 11 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
scripts/mod/modpost.c
View File

@ -187,6 +187,7 @@ static struct module *new_module(const char *modname)
/* add to list */
mod->name = p;
mod->is_vmlinux = is_vmlinux(modname);
mod->gpl_compatible = -1;
mod->next = modules;
modules = mod;
@ -431,11 +432,11 @@ static struct symbol *sym_add_exported(const char *name, struct module *mod,
if (!s) {
s = new_symbol(name, mod, export);
} else if (!external_module || is_vmlinux(s->module->name) ||
} 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,
is_vmlinux(s->module->name) ? "" : ".ko");
s->module->is_vmlinux ? "" : ".ko");
return s;
}
@ -692,7 +693,7 @@ static void handle_modversion(const struct module *mod,
if (sym->st_shndx == SHN_UNDEF) {
warn("EXPORT symbol \"%s\" [%s%s] version generation failed, symbol will not be versioned.\n",
symname, mod->name, is_vmlinux(mod->name) ? "":".ko");
symname, mod->name, mod->is_vmlinux ? "" : ".ko");
return;
}
@ -2011,12 +2012,12 @@ static void read_symbols(const char *modname)
mod = new_module(modname);
if (is_vmlinux(modname)) {
if (mod->is_vmlinux) {
have_vmlinux = 1;
mod->skip = 1;
}
if (!is_vmlinux(modname)) {
if (!mod->is_vmlinux) {
license = get_modinfo(&info, "license");
if (!license)
warn("missing MODULE_LICENSE() in %s\n", modname);
@ -2075,7 +2076,7 @@ static void read_symbols(const char *modname)
check_sec_ref(mod, modname, &info);
if (!is_vmlinux(modname)) {
if (!mod->is_vmlinux) {
version = get_modinfo(&info, "version");
if (version || all_versions)
get_src_version(modname, mod->srcversion,
@ -2345,7 +2346,7 @@ static void add_depends(struct buffer *b, struct module *mod)
/* 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, \"");
@ -2470,9 +2471,9 @@ static void read_dump(const char *fname)
goto fail;
mod = find_module(modname);
if (!mod) {
if (is_vmlinux(modname))
have_vmlinux = 1;
mod = new_module(modname);
if (mod->is_vmlinux)
have_vmlinux = 1;
mod->skip = 1;
mod->from_dump = 1;
}

1
scripts/mod/modpost.h
View File

@ -120,6 +120,7 @@ struct module {
int gpl_compatible;
struct symbol *unres;
int from_dump; /* 1 if module was loaded from *.symvers */
int is_vmlinux;
int seen;
int skip;
int has_init;