On Wed, 7 Jan 2015, Andrew Morton wrote:
> > --- a/kernel/livepatch/core.c
> > +++ b/kernel/livepatch/core.c
> > @@ -911,6 +911,12 @@ static int klp_init(void)
> > {
> > int ret;
> >
> > + ret = klp_check_compiler_support();
> > + if (ret) {
> > + pr_info("Your compiler is too old; turning off.\n");
> > + return -EINVAL;
> > + }
> > +
>
> Looks reasonable.
I've applied it and pushed out.
> It's a shame we've never figured out a way to do this at Kconfig-time.
The biggest problems probably is: what if you supply different CC during
build? Then you'll have to invalidate all dependencies and restart the
whole dependency resolution. The same goes for cross-compilation I guess.
--
Jiri Kosina
SUSE Labs
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