On Tue, Oct 04, 2016 at 03:29:33PM +1100, Michael Ellerman wrote: SNIP
> Which is where we cope with the possibility that we couldn't emulate the > instruction that hit the breakpoint. Seems that is not an issue on x86, > or it's handled elsewhere? > > We should fix emulate_step() if it failed to emulate something it > should have, but there will always be the possibility that it fails. > > Instead of calling perf_event_disable() we could just add a flag to > arch_hw_breakpoint that says we hit an error on the event, and block > reinstalling it in arch_install_hw_breakpoint(). ok, might be easier.. I'll check on that thanks, jirka
