diff options
Diffstat (limited to 'arch/um/kernel/smp.c')
| -rw-r--r-- | arch/um/kernel/smp.c | 59 |
1 files changed, 24 insertions, 35 deletions
diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c index e1062ec36d4..5c8c3ea7db7 100644 --- a/arch/um/kernel/smp.c +++ b/arch/um/kernel/smp.c @@ -3,34 +3,24 @@ * Licensed under the GPL */ -#include "linux/percpu.h" -#include "asm/pgalloc.h" -#include "asm/tlb.h" - -/* For some reason, mmu_gathers are referenced when CONFIG_SMP is off. */ -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); +#include <linux/percpu.h> +#include <asm/pgalloc.h> +#include <asm/tlb.h> #ifdef CONFIG_SMP -#include "linux/sched.h" -#include "linux/module.h" -#include "linux/threads.h" -#include "linux/interrupt.h" -#include "linux/err.h" -#include "linux/hardirq.h" -#include "asm/smp.h" -#include "asm/processor.h" -#include "asm/spinlock.h" -#include "kern.h" -#include "irq_user.h" -#include "os.h" - -/* CPU online map, set by smp_boot_cpus */ -cpumask_t cpu_online_map = CPU_MASK_NONE; -cpumask_t cpu_possible_map = CPU_MASK_NONE; - -EXPORT_SYMBOL(cpu_online_map); -EXPORT_SYMBOL(cpu_possible_map); +#include <linux/sched.h> +#include <linux/module.h> +#include <linux/threads.h> +#include <linux/interrupt.h> +#include <linux/err.h> +#include <linux/hardirq.h> +#include <asm/smp.h> +#include <asm/processor.h> +#include <asm/spinlock.h> +#include <kern.h> +#include <irq_user.h> +#include <os.h> /* Per CPU bogomips and other parameters * The only piece used here is the ipi pipe, which is set before SMP is @@ -85,7 +75,8 @@ static int idle_proc(void *cpup) while (!cpu_isset(cpu, smp_commenced_mask)) cpu_relax(); - cpu_set(cpu, cpu_online_map); + notify_cpu_starting(cpu); + set_cpu_online(cpu, true); default_idle(); return 0; } @@ -117,10 +108,9 @@ void smp_prepare_cpus(unsigned int maxcpus) int i; for (i = 0; i < ncpus; ++i) - cpu_set(i, cpu_possible_map); + set_cpu_possible(i, true); - cpu_clear(me, cpu_online_map); - cpu_set(me, cpu_online_map); + set_cpu_online(me, true); cpu_set(me, cpu_callin_map); err = os_pipe(cpu_data[me].ipi_pipe, 1, 1); @@ -147,13 +137,13 @@ void smp_prepare_cpus(unsigned int maxcpus) void smp_prepare_boot_cpu(void) { - cpu_set(smp_processor_id(), cpu_online_map); + set_cpu_online(smp_processor_id(), true); } -int __cpu_up(unsigned int cpu) +int __cpu_up(unsigned int cpu, struct task_struct *tidle) { cpu_set(cpu, smp_commenced_mask); - while (!cpu_isset(cpu, cpu_online_map)) + while (!cpu_online(cpu)) mb(); return 0; } @@ -179,7 +169,7 @@ void IPI_handler(int cpu) break; case 'R': - set_tsk_need_resched(current); + scheduler_ipi(); break; case 'S': @@ -214,8 +204,7 @@ void smp_call_function_slave(int cpu) atomic_inc(&scf_finished); } -int smp_call_function(void (*_func)(void *info), void *_info, int nonatomic, - int wait) +int smp_call_function(void (*_func)(void *info), void *_info, int wait) { int cpus = num_online_cpus() - 1; int i; |
