diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/crash.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/kernel/paca.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/setup-common.c | 3 |
3 files changed, 7 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index 3d569e2aff18..3d3d416339dd 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -163,7 +163,7 @@ static void crash_kexec_prepare_cpus(int cpu) } /* wait for all the CPUs to hit real mode but timeout if they don't come in */ -#ifdef CONFIG_PPC_STD_MMU_64 +#if defined(CONFIG_PPC_STD_MMU_64) && defined(CONFIG_SMP) static void crash_kexec_wait_realmode(int cpu) { unsigned int msecs; @@ -188,6 +188,8 @@ static void crash_kexec_wait_realmode(int cpu) } mb(); } +#else +static inline void crash_kexec_wait_realmode(int cpu) {} #endif /* @@ -344,9 +346,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs) crash_save_cpu(regs, crashing_cpu); crash_kexec_prepare_cpus(crashing_cpu); cpu_set(crashing_cpu, cpus_in_crash); -#if defined(CONFIG_PPC_STD_MMU_64) && defined(CONFIG_SMP) crash_kexec_wait_realmode(crashing_cpu); -#endif machine_kexec_mask_interrupts(); diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index f4adf89d7614..10f0aadee95b 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -203,7 +203,7 @@ void __init free_unused_pacas(void) { int new_size; - new_size = PAGE_ALIGN(sizeof(struct paca_struct) * num_possible_cpus()); + new_size = PAGE_ALIGN(sizeof(struct paca_struct) * nr_cpu_ids); if (new_size >= paca_size) return; diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 9d4882a46647..21f30cb68077 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -509,6 +509,9 @@ void __init smp_setup_cpu_maps(void) */ cpu_init_thread_core_maps(nthreads); + /* Now that possible cpus are set, set nr_cpu_ids for later use */ + nr_cpu_ids = find_last_bit(cpumask_bits(cpu_possible_mask),NR_CPUS) + 1; + free_unused_pacas(); } #endif /* CONFIG_SMP */ |