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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2015-03-23 09:18:27 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2015-03-23 09:18:27 -0700
commit188933ac139a6f8ab06cad369bd0200af947b00d (patch)
treec4c107528fcf6b82e32a93b0596e13eea7aa9385 /arch/powerpc/kernel/smp.c
parent4ed0e032c3cf27c6fabc154164d003c4e0ac4654 (diff)
parentbc465aa9d045feb0e13b4a8f32cc33c1943f62d6 (diff)
Merge tag 'v4.0-rc5' into next
Merge with the latest upstream to synchronize Synaptics changes and bring in new infrastructure pieces. Conflicts: drivers/input/mouse/synaptics.c
Diffstat (limited to 'arch/powerpc/kernel/smp.c')
-rw-r--r--arch/powerpc/kernel/smp.c18
1 files changed, 2 insertions, 16 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 8b2d2dc8ef10..ec9ec2058d2d 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -434,20 +434,6 @@ void generic_cpu_die(unsigned int cpu)
printk(KERN_ERR "CPU%d didn't die...\n", cpu);
}
-void generic_mach_cpu_die(void)
-{
- unsigned int cpu;
-
- local_irq_disable();
- idle_task_exit();
- cpu = smp_processor_id();
- printk(KERN_DEBUG "CPU%d offline\n", cpu);
- __this_cpu_write(cpu_state, CPU_DEAD);
- smp_wmb();
- while (__this_cpu_read(cpu_state) != CPU_UP_PREPARE)
- cpu_relax();
-}
-
void generic_set_cpu_dead(unsigned int cpu)
{
per_cpu(cpu_state, cpu) = CPU_DEAD;
@@ -555,8 +541,8 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle)
if (smp_ops->give_timebase)
smp_ops->give_timebase();
- /* Wait until cpu puts itself in the online map */
- while (!cpu_online(cpu))
+ /* Wait until cpu puts itself in the online & active maps */
+ while (!cpu_online(cpu) || !cpu_active(cpu))
cpu_relax();
return 0;