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| author | Linux Build Service Account <lnxbuild@localhost> | 2018-06-02 01:13:34 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2018-06-02 01:13:34 -0700 |
| commit | fd95dadf54bf08e910a4cad0bbce8d25e8813429 (patch) | |
| tree | 7824cada0e10c6bb934c59b3b8a3aeb09b1e812f /kernel/time/tick-broadcast.c | |
| parent | 33b2567cd52c95ad3b33578aaa200d53aa4d4dbc (diff) | |
| parent | 9848856fe15cdad6b64b5883bb4c30528b358f7d (diff) | |
Merge "Merge android-4.4.133 (3f51ea2) into msm-4.4"
Diffstat (limited to 'kernel/time/tick-broadcast.c')
| -rw-r--r-- | kernel/time/tick-broadcast.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index d2a20e83ebae..22d7454b387b 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -610,6 +610,14 @@ static void tick_handle_oneshot_broadcast(struct clock_event_device *dev) now = ktime_get(); /* Find all expired events */ for_each_cpu(cpu, tick_broadcast_oneshot_mask) { + /* + * Required for !SMP because for_each_cpu() reports + * unconditionally CPU0 as set on UP kernels. + */ + if (!IS_ENABLED(CONFIG_SMP) && + cpumask_empty(tick_broadcast_oneshot_mask)) + break; + td = &per_cpu(tick_cpu_device, cpu); if (td->evtdev->next_event.tv64 <= now.tv64) { cpumask_set_cpu(cpu, tmpmask); |