Re: [PATCH 2/10] make some arch depend routines accept cpumask

[Zwane Mwaikambo]

On Mon, 8 May 2006, Shaohua Li wrote:

> +int __cpuexit __cpu_disable(cpumask_t remove_mask)
>  {
>  	unsigned int cpu = smp_processor_id();
>  	struct task_struct *p;
>  	int ret;
>  
> +	BUG_ON(cpus_weight(remove_mask) != 1);
>  	ret = mach_cpu_disable(cpu);

What is this extra argument actually used for?

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