diff options
| author | Sebastian Reichel <sebastian.reichel@collabora.com> | 2025-07-07 00:53:35 +0200 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2025-07-07 00:53:35 +0200 |
| commit | 61b8c39deb4b6d314f942a4a33565575c9b0c3d5 (patch) | |
| tree | f25268cdd9485af13d9efa05db3d88754a82f82b /kernel | |
| parent | d375b70a0f47a032813be33493c97133cc080f74 (diff) | |
| parent | cd4da713f99651e99fbce8ed6b6ec8f686c029a8 (diff) | |
Merge tag 'pm-runtime-6.17-rc1'
Runtime PM updates related to autosuspend for 6.17
Make several autosuspend functions mark last busy stamp and update
the documentation accordingly (Sakari Ailus).
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/time/posix-cpu-timers.c | 9 | ||||
| -rw-r--r-- | kernel/trace/trace_events_filter.c | 4 |
2 files changed, 10 insertions, 3 deletions
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c index 50e8d04ab661..2e5b89d7d866 100644 --- a/kernel/time/posix-cpu-timers.c +++ b/kernel/time/posix-cpu-timers.c @@ -1406,6 +1406,15 @@ void run_posix_cpu_timers(void) lockdep_assert_irqs_disabled(); /* + * Ensure that release_task(tsk) can't happen while + * handle_posix_cpu_timers() is running. Otherwise, a concurrent + * posix_cpu_timer_del() may fail to lock_task_sighand(tsk) and + * miss timer->it.cpu.firing != 0. + */ + if (tsk->exit_state) + return; + + /* * If the actual expiry is deferred to task work context and the * work is already scheduled there is no point to do anything here. */ diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index ea8b364b6818..08141f105c95 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -1437,10 +1437,8 @@ static void filter_free_subsystem_filters(struct trace_subsystem_dir *dir, INIT_LIST_HEAD(&head->list); item = kmalloc(sizeof(*item), GFP_KERNEL); - if (!item) { - kfree(head); + if (!item) goto free_now; - } item->filter = filter; list_add_tail(&item->list, &head->list); |