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modpost: do not invoke extra modpost for nsdeps

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'make nsdeps' invokes the modpost three times at most; before linking
vmlinux, before building modules, and finally for generating .ns_deps
files. Running the modpost again and again is not efficient.

The last two can be unified. When the -d option is given, the modpost
still does the usual job, and in addition, generates .ns_deps files.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Matthias Maennich <maennich@google.com>
Reviewed-by: Matthias Maennich <maennich@google.com>
This commit is contained in:
Masahiro Yamada
2019-10-29 21:38:06 +09:00
parent faade96102
commit bff9c62b5d
3 changed files with 7 additions and 15 deletions
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9
scripts/mod/modpost.c
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@@ -2221,8 +2221,7 @@ static int check_exports(struct module *mod)
add_namespace(&mod->required_namespaces,
exp->namespace);
if (!write_namespace_deps &&
!module_imports_namespace(mod, exp->namespace)) {
if (!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);
}
@@ -2642,8 +2641,6 @@ int main(int argc, char **argv)
err |= check_modname_len(mod);
err |= check_exports(mod);
if (write_namespace_deps)
continue;
add_header(&buf, mod);
add_intree_flag(&buf, !external_module);
@@ -2658,10 +2655,8 @@ int main(int argc, char **argv)
write_if_changed(&buf, fname);
}
if (write_namespace_deps) {
if (write_namespace_deps)
write_namespace_deps_files();
return 0;
}
if (dump_write)
write_dump(dump_write);