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 <[email protected]> Thanks, Feng > > Fixes: b76e89e50fc3 ("panic: generalize panic_print's function to show sys > info") > Cc: [email protected] > Signed-off-by: Bradley Morgan <[email protected]> > --- > Changes since v1: > - New patch using the same helper for panic. > > kernel/panic.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/panic.c b/kernel/panic.c > index d030f88ad4ef..2cf229c7c0cf 100644 > --- a/kernel/panic.c > +++ b/kernel/panic.c > @@ -683,7 +683,7 @@ void vpanic(const char *fmt, va_list args) > */ > atomic_notifier_call_chain(&panic_notifier_list, 0, buf); > > - sys_info(panic_print); > + sys_info_without_all_bt(panic_print); > > kmsg_dump_desc(KMSG_DUMP_PANIC, buf); > > -- > 2.53.0
