Re: [PATCH repost] sched: export sched_set/getaffinity to modules

[Peter Zijlstra]

On Thu, 2010-07-01 at 14:07 +0300, Michael S. Tsirkin wrote:
> Author: Sridhar Samudrala <sri@xxxxxxxxxx>
> 
> sched: export sched_set/getaffinity to modules
> 
> vhost-net driver wants to copy the affinity from the
> owner thread to thread it creates. Export
> sched_set/get affinity to modules to make this possible
> when vhost is built as a module.
> 
> Signed-off-by: Sridhar Samudrala <sri@xxxxxxxxxx>
> Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> 
> ---
> 
> I'm not sure the previous time made it clear what exactly is the
> proposed change, so reposting.  Info, Peter, could you ack merging the
> following through the net-next tree please?
> 
> diff --git a/kernel/sched.c b/kernel/sched.c
> index d484081..3759391 100644
> --- a/kernel/sched.c
> +++ b/kernel/sched.c
> @@ -4744,6 +4744,7 @@ out_put_task:
>  	put_online_cpus();
>  	return retval;
>  }
> +EXPORT_SYMBOL_GPL(sched_setaffinity);
>  
>  static int get_user_cpu_mask(unsigned long __user *user_mask_ptr, unsigned len,
>  			     struct cpumask *new_mask)
> @@ -4807,6 +4808,7 @@ out_unlock:
>  
>  	return retval;
>  }
> +EXPORT_SYMBOL_GPL(sched_getaffinity);
>  
>  /**
>   * sys_sched_getaffinity - get the cpu affinity of a process

Urgh,.. so why again is that a good idea?
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