diff options
Diffstat (limited to 'arch/powerpc/kernel/smp.c')
| -rw-r--r-- | arch/powerpc/kernel/smp.c | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 5c196d1086d9..68034bbf2e4f 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -288,8 +288,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus) max_cpus = NR_CPUS; else max_cpus = 1; - - smp_space_timers(max_cpus); for_each_possible_cpu(cpu) if (cpu != boot_cpuid) @@ -429,11 +427,11 @@ int __cpuinit __cpu_up(unsigned int cpu) #endif if (!cpu_callin_map[cpu]) { - printk("Processor %u is stuck.\n", cpu); + printk(KERN_ERR "Processor %u is stuck.\n", cpu); return -ENOENT; } - printk("Processor %u found.\n", cpu); + DBG("Processor %u found.\n", cpu); if (smp_ops->give_timebase) smp_ops->give_timebase(); @@ -501,14 +499,6 @@ int __devinit start_secondary(void *unused) current->active_mm = &init_mm; smp_store_cpu_info(cpu); - -#if defined(CONFIG_BOOKE) || defined(CONFIG_40x) - /* Clear any pending timer interrupts */ - mtspr(SPRN_TSR, TSR_ENW | TSR_WIS | TSR_DIS | TSR_FIS); - - /* Enable decrementer interrupt */ - mtspr(SPRN_TCR, TCR_DIE); -#endif set_dec(tb_ticks_per_jiffy); preempt_disable(); cpu_callin_map[cpu] = 1; @@ -518,9 +508,6 @@ int __devinit start_secondary(void *unused) if (smp_ops->take_timebase) smp_ops->take_timebase(); - if (system_state > SYSTEM_BOOTING) - snapshot_timebase(); - secondary_cpu_time_init(); ipi_call_lock(); @@ -585,11 +572,18 @@ void __init smp_cpus_done(unsigned int max_cpus) free_cpumask_var(old_mask); - snapshot_timebases(); - dump_numa_cpu_topology(); } +int arch_sd_sibling_asym_packing(void) +{ + if (cpu_has_feature(CPU_FTR_ASYM_SMT)) { + printk_once(KERN_INFO "Enabling Asymmetric SMT scheduling\n"); + return SD_ASYM_PACKING; + } + return 0; +} + #ifdef CONFIG_HOTPLUG_CPU int __cpu_disable(void) { |