| Message ID | 1392412903-25733-15-git-send-email-andi@firstfloor.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, Feb 14, 2014 at 10:21:38PM +0100, Andi Kleen wrote: > From: Andi Kleen <ak@linux.intel.com> > > - Don't warn about LTO marker symbols. modpost runs before > the linker, so the module is not necessarily LTOed yet. > - Don't complain about .gnu.lto* sections > > Signed-off-by: Andi Kleen <ak@linux.intel.com> > --- > scripts/mod/modpost.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c > index f91dd45..63804a1 100644 > --- a/scripts/mod/modpost.c > +++ b/scripts/mod/modpost.c > @@ -623,7 +623,10 @@ static void handle_modversions(struct module *mod, struct elf_info *info, > > switch (sym->st_shndx) { > case SHN_COMMON: > - warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name); > + if (!strncmp(symname, "__gnu_lto_", sizeof("__gnu_lto_")-1)) { Please use space around "-". Sam -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index f91dd45..63804a1 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -623,7 +623,10 @@ static void handle_modversions(struct module *mod, struct elf_info *info, switch (sym->st_shndx) { case SHN_COMMON: - warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name); + if (!strncmp(symname, "__gnu_lto_", sizeof("__gnu_lto_")-1)) { + /* Should warn here, but modpost runs before the linker */ + } else + warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name); break; case SHN_UNDEF: /* undefined symbol */ @@ -849,6 +852,7 @@ static const char *section_white_list[] = ".xt.lit", /* xtensa */ ".arcextmap*", /* arc */ ".gnu.linkonce.arcext*", /* arc : modules */ + ".gnu.lto*", NULL };