summaryrefslogtreecommitdiffstats
path: root/arch/arm/kernel/smp.c
diff options
context:
space:
mode:
authorLen Brown <len.brown@intel.com>2010-08-15 01:06:31 -0400
committerLen Brown <len.brown@intel.com>2010-08-15 01:06:31 -0400
commit95ee46aa8698f2000647dfb362400fadbb5807cf (patch)
treee5a05c7297f997e191c73091934e42e3195c0e40 /arch/arm/kernel/smp.c
parentcfa806f059801dbe7e435745eb2e187c8bfe1e7f (diff)
parent92fa5bd9a946b6e7aab6764e7312e4e3d9bed295 (diff)
Merge branch 'linus' into release
Conflicts: drivers/acpi/debug.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/arm/kernel/smp.c')
-rw-r--r--arch/arm/kernel/smp.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index b8c3d0f689d..40dc74f2b27 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -429,7 +429,11 @@ static void smp_timer_broadcast(const struct cpumask *mask)
{
send_ipi_message(mask, IPI_TIMER);
}
+#else
+#define smp_timer_broadcast NULL
+#endif
+#ifndef CONFIG_LOCAL_TIMERS
static void broadcast_timer_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
{
@@ -444,7 +448,6 @@ static void local_timer_setup(struct clock_event_device *evt)
evt->rating = 400;
evt->mult = 1;
evt->set_mode = broadcast_timer_set_mode;
- evt->broadcast = smp_timer_broadcast;
clockevents_register_device(evt);
}
@@ -456,6 +459,7 @@ void __cpuinit percpu_timer_setup(void)
struct clock_event_device *evt = &per_cpu(percpu_clockevent, cpu);
evt->cpumask = cpumask_of(cpu);
+ evt->broadcast = smp_timer_broadcast;
local_timer_setup(evt);
}
@@ -467,10 +471,13 @@ static DEFINE_SPINLOCK(stop_lock);
*/
static void ipi_cpu_stop(unsigned int cpu)
{
- spin_lock(&stop_lock);
- printk(KERN_CRIT "CPU%u: stopping\n", cpu);
- dump_stack();
- spin_unlock(&stop_lock);
+ if (system_state == SYSTEM_BOOTING ||
+ system_state == SYSTEM_RUNNING) {
+ spin_lock(&stop_lock);
+ printk(KERN_CRIT "CPU%u: stopping\n", cpu);
+ dump_stack();
+ spin_unlock(&stop_lock);
+ }
set_cpu_online(cpu, false);