On Thu, Jul 14, 2005 at 06:20:51PM +0900, Kenji Kaneshige wrote:
>
> This patch add the code to handle the relationship between cpu and
> domains. We need more consideration about how to separate vector
> domains.
>
> Signed-off-by: Kenji Kaneshige <[EMAIL PROTECTED]>
>
> ---
>
Should we consider this based on some mach-* like schemes, so for e.g in
NUMA case we could use node as a VECTOR_DOMAIN? ... or maybe we could
somehow tie this into CPUSETS?..
> +
> +#ifdef CONFIG_VECTOR_DOMAIN
> +int ia64_cpu_domain_map[NR_CPUS];
> +cpumask_t ia64_domain_cpumask[NR_VECTOR_DOMAINS];
> +
> +void __devinit
> +ia64_attach_cpu_to_domain (int cpu)
> +{
> + static int domain = -1;
> +
> + /* Simple Round Robin for now */
> + if (++domain >= NR_VECTOR_DOMAINS)
> + domain = 0;
> + ia64_cpu_domain_map[cpu] = domain;
> + cpu_set(cpu, ia64_domain_cpumask[domain]);
> +}
> +#endif /* CONFIG_VECTOR_DOMAIN */
--
Cheers,
Ashok Raj
- Open Source Technology Center
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