The patch titled Subject: scripts/gdb: bail early if there are no generic PD has been added to the -mm mm-nonmm-unstable branch. Its filename is scripts-gdb-bail-early-if-there-are-no-generic-pd.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/scripts-gdb-bail-early-if-there-are-no-generic-pd.patch This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Florian Fainelli <f.fainelli@xxxxxxxxx> Subject: scripts/gdb: bail early if there are no generic PD Date: Thu, 23 Mar 2023 16:16:57 -0700 Avoid generating an exception if there are no generic power domain(s) registered: (gdb) lx-genpd-summary domain status children /device runtime status ---------------------------------------------------------------------- Python Exception <class 'gdb.error'>: No symbol "gpd_list" in current context. Error occurred in Python: No symbol "gpd_list" in current context. (gdb) quit Link: https://lkml.kernel.org/r/20230323231659.3319941-1-f.fainelli@xxxxxxxxx Fixes: 8207d4a88e1e ("scripts/gdb: add lx-genpd-summary command") Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx> Cc: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> Cc: Kieran Bingham <kbingham@xxxxxxxxxx> Cc: Leonard Crestez <leonard.crestez@xxxxxxx> Cc: Stephen Boyd <sboyd@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- scripts/gdb/linux/genpd.py | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/scripts/gdb/linux/genpd.py~scripts-gdb-bail-early-if-there-are-no-generic-pd +++ a/scripts/gdb/linux/genpd.py @@ -5,7 +5,7 @@ import gdb import sys -from linux.utils import CachedType +from linux.utils import CachedType, gdb_eval_or_none from linux.lists import list_for_each_entry generic_pm_domain_type = CachedType('struct generic_pm_domain') @@ -70,6 +70,8 @@ Output is similar to /sys/kernel/debug/p gdb.write(' %-50s %s\n' % (kobj_path, rtpm_status_str(dev))) def invoke(self, arg, from_tty): + if linux.utils.gdb_eval_or_none("&gpd_list") is None: + raise gdb.GdbError("No power domain(s) registered") gdb.write('domain status children\n'); gdb.write(' /device runtime status\n'); gdb.write('----------------------------------------------------------------------\n'); _ Patches currently in -mm which might be from f.fainelli@xxxxxxxxx are mailmap-add-an-entry-for-leonard-crestez.patch scripts-gdb-bail-early-if-there-are-no-clocks.patch scripts-gdb-bail-early-if-there-are-no-generic-pd.patch