On Mon, 17 Nov 2025 15:06:32 -0800 Josh Poimboeuf <[email protected]> wrote:
> The ORC unwinder marks the unwind "unreliable" if it has to fall back to > frame pointers. > > But that's not a problem for livepatch because it only[*] unwinds > blocked/sleeping tasks, which shouldn't have BPF on their stack anyway. > > [*] with one exception: the task calling into livepatch It may be a problem with preempted tasks right? I believe with PREEMPT_LAZY (and definitely with PREEMPT_RT) BPF programs can be preempted. -- Steve
