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
