* Lai Jiangshan ([email protected]) wrote:
> To make it matches the comments.
> 
> It is the caller's responsibility to use
> set_cpu_call_rcu_data(cpu, NULL) to remove the CPU's
> call_rcu_data structure and dispose it.

Merged, thanks!

Mathieu

> 
> Signed-off-by: Lai Jiangshan <[email protected]>
> ---
>  urcu-call-rcu-impl.h |    8 ++++++++
>  1 files changed, 8 insertions(+), 0 deletions(-)
> 
> diff --git a/urcu-call-rcu-impl.h b/urcu-call-rcu-impl.h
> index c822646..ae93468 100644
> --- a/urcu-call-rcu-impl.h
> +++ b/urcu-call-rcu-impl.h
> @@ -396,11 +396,19 @@ int set_cpu_call_rcu_data(int cpu, struct call_rcu_data 
> *crdp)
>               errno = EINVAL;
>               return -EINVAL;
>       }
> +
>       if (per_cpu_call_rcu_data == NULL) {
>               call_rcu_unlock(&call_rcu_mutex);
>               errno = ENOMEM;
>               return -ENOMEM;
>       }
> +
> +     if (per_cpu_call_rcu_data[cpu] != NULL && crdp != NULL) {
> +             call_rcu_unlock(&call_rcu_mutex);
> +             errno = EEXIST;
> +             return -EEXIST;
> +     }
> +
>       per_cpu_call_rcu_data[cpu] = crdp;
>       call_rcu_unlock(&call_rcu_mutex);
>       return 0;
> -- 
> 1.7.4.4
> 

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com

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