diff options
Diffstat (limited to 'arch/powerpc/kernel/setup_64.c')
-rw-r--r-- | arch/powerpc/kernel/setup_64.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index a0dee7354fe6..b2e0d3ce4261 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -385,17 +385,21 @@ void __init early_setup(unsigned long dt_ptr) /* * Do early initialization using the flattened device * tree, such as retrieving the physical memory map or - * calculating/retrieving the hash table size. + * calculating/retrieving the hash table size, discover + * boot_cpuid and boot_cpu_hwid. */ early_init_devtree(__va(dt_ptr)); - /* Now we know the logical id of our boot cpu, setup the paca. */ - if (boot_cpuid != 0) { - /* Poison paca_ptrs[0] again if it's not the boot cpu */ - memset(&paca_ptrs[0], 0x88, sizeof(paca_ptrs[0])); - } + allocate_paca_ptrs(); + allocate_paca(boot_cpuid); + set_hard_smp_processor_id(boot_cpuid, boot_cpu_hwid); fixup_boot_paca(paca_ptrs[boot_cpuid]); setup_paca(paca_ptrs[boot_cpuid]); /* install the paca into registers */ + // smp_processor_id() now reports boot_cpuid + +#ifdef CONFIG_SMP + task_thread_info(current)->cpu = boot_cpuid; // fix task_cpu(current) +#endif /* * Configure exception handlers. This include setting up trampolines |