diff options
author | Frederic Weisbecker <frederic@kernel.org> | 2025-01-15 00:15:07 +0100 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2025-01-16 14:01:09 +0100 |
commit | dcf6230555dcd0b05e8d2dd5b128dcc4b6fc04ef (patch) | |
tree | c9818b64ae0d52735e57b0565fd2cce079fa8d17 | |
parent | 3ec955713d9617059d2fc8f2816d0b95ace72256 (diff) |
timers/migration: Simplify top level detection on group setup
Having a single group on a given level is enough to know this is the
top level, because a root has to have at least two children, unless that
root is the only group and the children are actual CPUs.
Simplify the test in tmigr_setup_groups() accordingly.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250114231507.21672-5-frederic@kernel.org
-rw-r--r-- | kernel/time/timer_migration.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/time/timer_migration.c b/kernel/time/timer_migration.c index 8d57f7686bb0..61633762f6bf 100644 --- a/kernel/time/timer_migration.c +++ b/kernel/time/timer_migration.c @@ -1624,9 +1624,7 @@ static int tmigr_setup_groups(unsigned int cpu, unsigned int node) * be different from tmigr_hierarchy_levels, contains only a * single group. */ - if (group->parent || i == tmigr_hierarchy_levels || - (list_empty(&tmigr_level_list[i]) && - list_is_singular(&tmigr_level_list[i - 1]))) + if (group->parent || list_is_singular(&tmigr_level_list[i - 1])) break; } while (i < tmigr_hierarchy_levels); |