diff options
Diffstat (limited to 'arch/mips/kernel/smp.c')
| -rw-r--r-- | arch/mips/kernel/smp.c | 56 | 
1 files changed, 2 insertions, 54 deletions
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index ba9376bf52a..71a95f55a64 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -186,61 +186,9 @@ void __devinit smp_prepare_boot_cpu(void)  	cpu_set(0, cpu_callin_map);  } -/* - * Called once for each "cpu_possible(cpu)".  Needs to spin up the cpu - * and keep control until "cpu_online(cpu)" is set.  Note: cpu is - * physical, not logical. - */ -static struct task_struct *cpu_idle_thread[NR_CPUS]; - -struct create_idle { -	struct work_struct work; -	struct task_struct *idle; -	struct completion done; -	int cpu; -}; - -static void __cpuinit do_fork_idle(struct work_struct *work) -{ -	struct create_idle *c_idle = -		container_of(work, struct create_idle, work); - -	c_idle->idle = fork_idle(c_idle->cpu); -	complete(&c_idle->done); -} - -int __cpuinit __cpu_up(unsigned int cpu) +int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)  { -	struct task_struct *idle; - -	/* -	 * Processor goes to start_secondary(), sets online flag -	 * The following code is purely to make sure -	 * Linux can schedule processes on this slave. -	 */ -	if (!cpu_idle_thread[cpu]) { -		/* -		 * Schedule work item to avoid forking user task -		 * Ported from arch/x86/kernel/smpboot.c -		 */ -		struct create_idle c_idle = { -			.cpu    = cpu, -			.done   = COMPLETION_INITIALIZER_ONSTACK(c_idle.done), -		}; - -		INIT_WORK_ONSTACK(&c_idle.work, do_fork_idle); -		schedule_work(&c_idle.work); -		wait_for_completion(&c_idle.done); -		idle = cpu_idle_thread[cpu] = c_idle.idle; - -		if (IS_ERR(idle)) -			panic(KERN_ERR "Fork failed for CPU %d", cpu); -	} else { -		idle = cpu_idle_thread[cpu]; -		init_idle(idle, cpu); -	} - -	mp_ops->boot_secondary(cpu, idle); +	mp_ops->boot_secondary(cpu, tidle);  	/*  	 * Trust is futile.  We should really have timeouts ...  |