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SubjectRe: [PATCH 14/19] Kbuild, lto: Handle basic LTO in modpost
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


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