diff options
Diffstat (limited to 'kernel/time/tick-broadcast.c')
-rw-r--r-- | kernel/time/tick-broadcast.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index db8e0f3d409b..947959fb2bb5 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c | |||
@@ -382,12 +382,23 @@ static int tick_broadcast_set_event(ktime_t expires, int force) | |||
382 | 382 | ||
383 | int tick_resume_broadcast_oneshot(struct clock_event_device *bc) | 383 | int tick_resume_broadcast_oneshot(struct clock_event_device *bc) |
384 | { | 384 | { |
385 | int cpu = smp_processor_id(); | ||
386 | |||
387 | /* | ||
388 | * If the CPU is marked for broadcast, enforce oneshot | ||
389 | * broadcast mode. The jinxed VAIO does not resume otherwise. | ||
390 | * No idea why it ends up in a lower C State during resume | ||
391 | * without notifying the clock events layer. | ||
392 | */ | ||
393 | if (cpu_isset(cpu, tick_broadcast_mask)) | ||
394 | cpu_set(cpu, tick_broadcast_oneshot_mask); | ||
395 | |||
385 | clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT); | 396 | clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT); |
386 | 397 | ||
387 | if(!cpus_empty(tick_broadcast_oneshot_mask)) | 398 | if(!cpus_empty(tick_broadcast_oneshot_mask)) |
388 | tick_broadcast_set_event(ktime_get(), 1); | 399 | tick_broadcast_set_event(ktime_get(), 1); |
389 | 400 | ||
390 | return cpu_isset(smp_processor_id(), tick_broadcast_oneshot_mask); | 401 | return cpu_isset(cpu, tick_broadcast_oneshot_mask); |
391 | } | 402 | } |
392 | 403 | ||
393 | /* | 404 | /* |