On Thu, 9 Nov 2023 09:51:18 -0800 Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote: > > I guess I'm not fully understanding what the cond rescheds are for. But > > would an IPI to all CPUs setting NEED_RESCHED, fix it? > > If all livepatch arches had the ORC unwinder, yes. > > The problem is that frame pointer (and similar) unwinders can't reliably > unwind past an interrupt frame. Perhaps we can use this to push those archs with bad unwinders to port over ORC unwinding ;-) -- Steve
