diff options
Diffstat (limited to 'arch/powerpc/kernel/smp.c')
| -rw-r--r-- | arch/powerpc/kernel/smp.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 0b47de07302..d387b3937cc 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -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; @@ -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(); @@ -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); |