On Thu, Jun 04, 2015 at 03:18:25PM -0500, Felipe Balbi wrote: > On Thu, Jun 04, 2015 at 03:08:50PM -0500, Felipe Balbi wrote: > > Hi, > > > > On Thu, Jun 04, 2015 at 11:46:59AM +0200, Mason wrote: > > > Also, check /proc/timer_list for a "Broadcast device". If you don't > > > define one, the TWD timers are set to periodic mode, with hrtimers > > > disabled. > > > > Did you manage to turn global timer into Broadcast device ? > > arm_global_timer is marked PERCPU, so it will never be chosen as > broadcast. Perhaps this is acceptable ? diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c index e6833771a716..8c0170ac367d 100644 --- a/drivers/clocksource/arm_global_timer.c +++ b/drivers/clocksource/arm_global_timer.c @@ -169,8 +169,9 @@ static int gt_clockevents_init(struct clock_event_device *clk) int cpu = smp_processor_id(); clk->name = "arm_global_timer"; - clk->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT | - CLOCK_EVT_FEAT_PERCPU; + clk->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT; + if (is_smp() || setup_max_cpus) + clk->features |= CLOCK_EVT_FEAT_PERCPU; clk->set_mode = gt_clockevent_set_mode; clk->set_next_event = gt_clockevent_set_next_event; clk->cpumask = cpumask_of(cpu); -- balbi
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