Re: [PATCH] sched hardcode non-smp set_cpus_allowed

[Rusty Russell]

On Thu, 2005-10-27 at 01:53 -0700, Paul Jackson wrote:
> @@ -945,7 +945,7 @@ extern int set_cpus_allowed(task_t *p, c
>  #else
>  static inline int set_cpus_allowed(task_t *p, cpumask_t new_mask)
>  {
> -	if (!cpus_intersects(new_mask, cpu_online_map))
> +	if (!cpu_isset(0, new_mask))
>  		return -EINVAL;
>  	return 0;
>  }

Hmm, I do slightly prefer the former, since it is exactly the same as
the SMP case, and doesn't hardcode 0.  Perhaps worth making
cpu_online_map a literal "1" for the UP case, which will help
everywhere.  With our include web, however, that might be tricky.

Rusty.
-- 
A bad analogy is like a leaky screwdriver -- Richard Braakman

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