https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113312
--- Comment #9 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to H.J. Lu from comment #8)
> (In reply to H.J. Lu from comment #7)
> > (In reply to H. Peter Anvin from comment #6)
> > > Of course. That's not what we want in the Linux kernel specifically,
> > > though.
> > > It's really up to the OS.
> >
> > no_callee_saved_registers attribute is sufficient. One can do
> >
>
void
__attribute__((no_callee_saved_registers))
fred_handler (struct fred_event_info_and_caller_saved_regs *arg)
{
...
}
