Re: [PATCH v1] LoongArch: Handle special PC in unwind_next_frame()

[Tiezhu Yang]

On 2025/11/25 下午5:05, Huacai Chen wrote:
> On Tue, Nov 25, 2025 at 4:54 PM Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> wrote:

...

> > They are different code paths, the current path is "goto err", it will
> > set state->error as true, then arch_stack_walk_reliable() will return
> > -EINVAL.
> >
> > With this patch, the code path is "goto end" for this case, it will
> > not set state->error as true, then arch_stack_walk_reliable() will
> > return 0.
> Then can we replace "goto err" with "goto end" at  __kernel_text_address()?

No, this "goto err" path is useful to indicate that there is
something wrong.

Thanks,
Tiezhu