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authorIngo Molnar <mingo@elte.hu>2008-07-18 19:53:16 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 19:53:16 +0200
commit9b610fda0df5d0f0b0c64242e37441ad1b384aac (patch)
tree0ea14b15f2e6546f37fe18d8ac3dc83077ec0e55 /kernel/time
parentb8f8c3cf0a4ac0632ec3f0e15e9dc0c29de917af (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
downloadtalos-op-linux-9b610fda0df5d0f0b0c64242e37441ad1b384aac.tar.gz
talos-op-linux-9b610fda0df5d0f0b0c64242e37441ad1b384aac.zip
Merge branch 'linus' into timers/nohz
Diffstat (limited to 'kernel/time')
-rw-r--r--kernel/time/tick-broadcast.c8
-rw-r--r--kernel/time/tick-sched.c2
2 files changed, 7 insertions, 3 deletions
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 57a1f02e5ec0..f48d0f09d32f 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -30,6 +30,7 @@
struct tick_device tick_broadcast_device;
static cpumask_t tick_broadcast_mask;
static DEFINE_SPINLOCK(tick_broadcast_lock);
+static int tick_broadcast_force;
#ifdef CONFIG_TICK_ONESHOT
static void tick_broadcast_clear_oneshot(int cpu);
@@ -232,10 +233,11 @@ static void tick_do_broadcast_on_off(void *why)
CLOCK_EVT_MODE_SHUTDOWN);
}
if (*reason == CLOCK_EVT_NOTIFY_BROADCAST_FORCE)
- dev->features |= CLOCK_EVT_FEAT_DUMMY;
+ tick_broadcast_force = 1;
break;
case CLOCK_EVT_NOTIFY_BROADCAST_OFF:
- if (cpu_isset(cpu, tick_broadcast_mask)) {
+ if (!tick_broadcast_force &&
+ cpu_isset(cpu, tick_broadcast_mask)) {
cpu_clear(cpu, tick_broadcast_mask);
if (td->mode == TICKDEV_MODE_PERIODIC)
tick_setup_periodic(dev, 0);
@@ -266,7 +268,7 @@ void tick_broadcast_on_off(unsigned long reason, int *oncpu)
"offline CPU #%d\n", *oncpu);
else
smp_call_function_single(*oncpu, tick_do_broadcast_on_off,
- &reason, 1, 1);
+ &reason, 1);
}
/*
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index ee962d11107b..a5c26d2b1323 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -289,6 +289,7 @@ void tick_nohz_stop_sched_tick(int inidle)
ts->tick_stopped = 1;
ts->idle_jiffies = last_jiffies;
rcu_enter_nohz();
+ sched_clock_tick_stop(cpu);
}
/*
@@ -391,6 +392,7 @@ 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);
/*
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