Re: Remaining randconfig objtool warnings, linux-next-20200428

[Arnd Bergmann]

On Fri, May 1, 2020 at 2:33 PM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> On Thu, Apr 30, 2020 at 08:07:33PM -0500, Josh Poimboeuf wrote:
> > On Thu, Apr 30, 2020 at 04:05:07PM +0200, Arnd Bergmann wrote:
> > > lib/strncpy_from_user.o: warning: objtool: strncpy_from_user()+0x133: call to do_strncpy_from_user() with UACCESS enabled
> > > lib/strnlen_user.o: warning: objtool: strnlen_user()+0x122: call to do_strnlen_user() with UACCESS enabled
> >
> > Does this fix it?
> >
>
> GCC is a moron, a static function with inline and a single callsite,
> let's out-of-line it, shees!, try this instead:

I suppose we were kind-of asking for it by passing
-fno-inline-functions-called-once
when CONFIG_DEBUG_SECTION_MISMATCH=y is set ;-)

      Arnd