Re: [PATCH v2 0/6] unwind, arm64: add sframe unwinder for kernel

[Dylan Hatch]

On Mon, Sep 29, 2025 at 12:55 PM Puranjay Mohan <puranjay12@xxxxxxxxx> wrote:
>
> I will try to debug this more but am just curious about BPF's
> interactions with sframe.
> The sframe data for bpf programs doesn't exist, so we would need to
> add that support
> and that wouldn't be trivial, given the BPF programs are JITed.
>
> Thanks,
> Puranjay

>From what I can tell, the ORC unwinder in x86 falls back to using
frame pointers in cases of generated code, like BPF. Would matching
this behavior in the sframe unwinder be a reasonable approach, at
least for the purposes of enabling reliable unwind for livepatch?

Thanks,
Dylan