Hi, > kprobe, uprobe, hw-breakpoint and xmon are the only user of > emulate_step. > > Kprobe / uprobe single-steps instruction if they can't emulate it, so > there is no problem with them. As I mention, hw-breakpoint is broken. > However I'm not sure about xmon, I need to check that.
I was mostly concerned that it would impact kprobes. Sounds like we are ok there. > So yes, there is no user-visible feature that depends on this. Aren't hardware breakpoints exposed via perf? I'd call perf user-visible. Anton