Messages in this thread | | | From | "Perez-Gonzalez, Inaky" <> | Subject | RE: How to initialize complex per-cpu variables? | Date | Fri, 6 Jun 2003 13:44:23 -0700 |
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> From: Dipankar Sarma [mailto:dipankar@in.ibm.com] > > 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)); > }
Yeap, that is a way ...
> However you might want to actually use the CPU notifiers to do this. See > rcu_init() in kernel/rcupdate.c.
Aha ... that is the bit I was missing - cool, thanks; the only thing, although I don't think I will have a problem with it, is that the notifiers are going to be called before my __initcall, probably (or even worse, there is no defined order) ... well, I don't think that will be a problem.
Thanks so much,
Iñaky Pérez-González -- Not speaking for Intel -- all opinions are my own (and my fault) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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