Re: [PATCH v2 4/4] panic: avoid duplicate all CPU backtraces from sys_info

[Feng Tang]

On Wed, Jun 24, 2026 at 05:12:28PM +0100, Bradley Morgan wrote:
> On June 24, 2026 3:50:27 AM GMT+01:00, Feng Tang
> <feng.tang@xxxxxxxxxxxxxxxxx> wrote:
> >On Tue, Jun 23, 2026 at 03:35:01PM +0000, Bradley Morgan wrote:
> >> panic_other_cpus_shutdown() handles SYS_INFO_ALL_BT before stopping the
> >> other CPUs. Do not ask sys_info() to handle that bit again later in the
> >> panic path.
> >> 
> >> Use sys_info_without_all_bt() so panic_print=all_bt does not request
> >more
> >> output after the CPUs are stopped.
> >
> >Good catch! Thanks!
> >
> >Later in panic_other_cpus_shutdown(), it sends IPIs to stop other CPUs,
> >and
> >this patch does avoid dumping local call trace again!
> >
> >For the whole serie, feel free to add:
> >
> >Reviewed-by: Feng Tang <feng.tang@xxxxxxxxxxxxxxxxx>
> >
> >Thanks,
> >Feng
> 
> Thanks a lot Feng!
> 
> All 4 patches, right?

Yes.

> 
> I'll let the maintainer (whomever will merge it) merge it, and add 
> your tag!
> 
> If you would like, Feng, if you CC me on any watchdog, etc etc patch,
> I'm sure I'll help review! :)
> 
> Thanks for your tag.
 
No problem. Thanks for fixing the bug I introduced! :)

- Feng