Merge branch 'linus' into core/softlockup
Conflicts: kernel/softlockup.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
@ -48,6 +48,13 @@ static void tick_do_update_jiffies64(ktime_t now)
|
||||
unsigned long ticks = 0;
|
||||
ktime_t delta;
|
||||
|
||||
/*
|
||||
* Do a quick check without holding xtime_lock:
|
||||
*/
|
||||
delta = ktime_sub(now, last_jiffies_update);
|
||||
if (delta.tv64 < tick_period.tv64)
|
||||
return;
|
||||
|
||||
/* Reevalute with xtime_lock held */
|
||||
write_seqlock(&xtime_lock);
|
||||
|
||||
@ -228,6 +235,7 @@ void tick_nohz_stop_sched_tick(void)
|
||||
local_softirq_pending());
|
||||
ratelimit++;
|
||||
}
|
||||
goto end;
|
||||
}
|
||||
|
||||
ts->idle_calls++;
|
||||
@ -276,6 +284,7 @@ void tick_nohz_stop_sched_tick(void)
|
||||
ts->tick_stopped = 1;
|
||||
ts->idle_jiffies = last_jiffies;
|
||||
rcu_enter_nohz();
|
||||
sched_clock_tick_stop(cpu);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -375,6 +384,7 @@ void tick_nohz_restart_sched_tick(void)
|
||||
select_nohz_load_balancer(0);
|
||||
now = ktime_get();
|
||||
tick_do_update_jiffies64(now);
|
||||
sched_clock_tick_start(cpu);
|
||||
cpu_clear(cpu, nohz_cpu_mask);
|
||||
|
||||
/*
|
||||
|
Reference in New Issue
Block a user