Re: [PATCH 2/4] objtool: Implement jump_assert for _static_cpu_has()

[Josh Poimboeuf]

On Mon, Jan 15, 2018 at 09:15:45PM +0100, Peter Zijlstra wrote:
> On Mon, Jan 15, 2018 at 01:11:51PM -0600, Josh Poimboeuf wrote:
> > Well, to clarify, it would solve _some_ of the problem.  Maybe even most
> > of the problem.  We'd still need to special-case jump labels in objtool
> > (like in 1/4), but that's probably not a big deal.
> > 
> > So, contradicting my previous answer here... yes, it would help.
> 
> OK, saves me from having to argue otherwise. My argument would've been
> that jump labels are fully described and don't need further annotation.
> 
> Yes, Boris' proposal would certainly help with the alternative stuff.

Fair enough.  So either annotating _static_cpu_has() or adding an
alt_instr flag works for me.

-- 
Josh