diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/cpu.h | 1 | ||||
| -rw-r--r-- | arch/arm/kernel/smp.c | 26 |
3 files changed, 2 insertions, 26 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index cf006d4..cb253ce 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -34,6 +34,7 @@ config ARM select CPU_PM if (SUSPEND || CPU_IDLE) select GENERIC_PCI_IOMAP select HAVE_BPF_JIT if NET + select GENERIC_SMP_IDLE_THREAD help The ARM series is a line of low-power-consumption RISC chip designs licensed by ARM Ltd and targeted at embedded applications and diff --git a/arch/arm/include/asm/cpu.h b/arch/arm/include/asm/cpu.h index 7939681..d797223 100644 --- a/arch/arm/include/asm/cpu.h +++ b/arch/arm/include/asm/cpu.h @@ -16,7 +16,6 @@ struct cpuinfo_arm { struct cpu cpu; #ifdef CONFIG_SMP - struct task_struct *idle; unsigned int loops_per_jiffy; #endif }; diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index f0e2cbb..5e86f7c 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -60,32 +60,11 @@ enum ipi_msg_type { static DECLARE_COMPLETION(cpu_running); -int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle) +int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *idle) { - struct cpuinfo_arm *ci = &per_cpu(cpu_data, cpu); - struct task_struct *idle = ci->idle; int ret; /* - * Spawn a new process manually, if not already done. - * Grab a pointer to its task struct so we can mess with it - */ - if (!idle) { - idle = fork_idle(cpu); - if (IS_ERR(idle)) { - printk(KERN_ERR "CPU%u: fork() failed\n", cpu); - return PTR_ERR(idle); - } - ci->idle = idle; - } else { - /* - * Since this idle thread is being re-used, call - * init_idle() to reinitialize the thread structure. - */ - init_idle(idle, cpu); - } - - /* * We need to tell the secondary core where to find * its stack and the page tables. */ @@ -318,9 +297,6 @@ void __init smp_cpus_done(unsigned int max_cpus) void __init smp_prepare_boot_cpu(void) { - unsigned int cpu = smp_processor_id(); - - per_cpu(cpu_data, cpu).idle = current; } void __init smp_prepare_cpus(unsigned int max_cpus) |
