Re: How to initialize complex per-cpu variables?

[Dipankar Sarma]

On Thu, Jun 05, 2003 at 09:35:37PM +0000, Perez-Gonzalez, Inaky wrote:
> Now the question is: how do I walk each structure that is
> associated to each CPU - I mean, something like:
> 
> struct rtf_h *h;
> for_each_cpu (h, rtf_lh) {
> 	rtf_h_init (h);
> }

One way to do this would be to do -

for (i = 0; i < NR_CPUS; i++) {
	if (cpu_possible(i))
		rtf_h_init(&per_cpu(rtf_lh, i));
}

However you might want to actually use the CPU notifiers to do this. See
rcu_init() in kernel/rcupdate.c.

Thanks
Dipankar