summaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel/smp.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/smp.c')
-rw-r--r--arch/powerpc/kernel/smp.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 0b47de07302d..9b86a74d2815 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -189,11 +189,11 @@ void arch_send_call_function_single_ipi(int cpu)
smp_ops->message_pass(cpu, PPC_MSG_CALL_FUNC_SINGLE);
}
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
unsigned int cpu;
- for_each_cpu_mask(cpu, mask)
+ for_each_cpu(cpu, mask)
smp_ops->message_pass(cpu, PPC_MSG_CALL_FUNCTION);
}
@@ -269,7 +269,10 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
cpu_callin_map[boot_cpuid] = 1;
if (smp_ops)
- max_cpus = smp_ops->probe();
+ if (smp_ops->probe)
+ max_cpus = smp_ops->probe();
+ else
+ max_cpus = NR_CPUS;
else
max_cpus = 1;
@@ -284,7 +287,7 @@ void __devinit smp_prepare_boot_cpu(void)
{
BUG_ON(smp_processor_id() != boot_cpuid);
- cpu_set(boot_cpuid, cpu_online_map);
+ set_cpu_online(boot_cpuid, true);
cpu_set(boot_cpuid, per_cpu(cpu_sibling_map, boot_cpuid));
cpu_set(boot_cpuid, per_cpu(cpu_core_map, boot_cpuid));
#ifdef CONFIG_PPC64
@@ -304,7 +307,7 @@ int generic_cpu_disable(void)
if (cpu == boot_cpuid)
return -EBUSY;
- cpu_clear(cpu, cpu_online_map);
+ set_cpu_online(cpu, false);
#ifdef CONFIG_PPC64
vdso_data->processorCount--;
fixup_irqs(cpu_online_map);
@@ -358,7 +361,7 @@ void generic_mach_cpu_die(void)
smp_wmb();
while (__get_cpu_var(cpu_state) != CPU_UP_PREPARE)
cpu_relax();
- cpu_set(cpu, cpu_online_map);
+ set_cpu_online(cpu, true);
local_irq_enable();
}
#endif
@@ -412,9 +415,8 @@ int __cpuinit __cpu_up(unsigned int cpu)
* CPUs can take much longer to come up in the
* hotplug case. Wait five seconds.
*/
- for (c = 25; c && !cpu_callin_map[cpu]; c--) {
- msleep(200);
- }
+ for (c = 5000; c && !cpu_callin_map[cpu]; c--)
+ msleep(1);
#endif
if (!cpu_callin_map[cpu]) {
@@ -494,7 +496,8 @@ int __devinit start_secondary(void *unused)
preempt_disable();
cpu_callin_map[cpu] = 1;
- smp_ops->setup_cpu(cpu);
+ if (smp_ops->setup_cpu)
+ smp_ops->setup_cpu(cpu);
if (smp_ops->take_timebase)
smp_ops->take_timebase();
@@ -505,7 +508,7 @@ int __devinit start_secondary(void *unused)
ipi_call_lock();
notify_cpu_starting(cpu);
- cpu_set(cpu, cpu_online_map);
+ set_cpu_online(cpu, true);
/* Update sibling maps */
base = cpu_first_thread_in_core(cpu);
for (i = 0; i < threads_per_core; i++) {
@@ -557,7 +560,7 @@ void __init smp_cpus_done(unsigned int max_cpus)
old_mask = current->cpus_allowed;
set_cpus_allowed(current, cpumask_of_cpu(boot_cpuid));
- if (smp_ops)
+ if (smp_ops && smp_ops->setup_cpu)
smp_ops->setup_cpu(boot_cpuid);
set_cpus_allowed(current, old_mask);