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From: mathieu.desnoyers@efficios.com (Mathieu Desnoyers)
Subject: [ltt-dev] [PATCH 07/10] protect writing to per_cpu_call_rcu_data[*]
Date: Thu, 15 Sep 2011 11:17:20 -0400	[thread overview]
Message-ID: <20110915151720.GH3813@Krystal> (raw)
In-Reply-To: <cbde20e1c2f93769bda89e8d75fd3bcb0194a4aa.1316064655.git.laijs@cn.fujitsu.com>

* Lai Jiangshan (laijs at cn.fujitsu.com) wrote:
> Signed-off-by: Lai Jiangshan <laijs at cn.fujitsu.com>

Merged, thanks!

Mathieu

> ---
>  urcu-call-rcu-impl.h |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/urcu-call-rcu-impl.h b/urcu-call-rcu-impl.h
> index 6e80fa9..c822646 100644
> --- a/urcu-call-rcu-impl.h
> +++ b/urcu-call-rcu-impl.h
> @@ -396,12 +396,13 @@ int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp)
>  		errno = EINVAL;
>  		return -EINVAL;
>  	}
> -	call_rcu_unlock(&call_rcu_mutex);
>  	if (per_cpu_call_rcu_data == NULL) {
> +		call_rcu_unlock(&call_rcu_mutex);
>  		errno = ENOMEM;
>  		return -ENOMEM;
>  	}
>  	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




  reply	other threads:[~2011-09-15 15:17 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-15  5:38 [ltt-dev] [PATCH 00/10] urcu,call_rcu: minior fixes, round1 Lai Jiangshan
2011-09-15  5:38 ` [ltt-dev] [PATCH 01/10] add missing static Lai Jiangshan
2011-09-15 14:54   ` Mathieu Desnoyers
2011-09-15  5:38 ` [ltt-dev] [PATCH 02/10] init maxcpus before use it Lai Jiangshan
2011-09-15 14:59   ` Mathieu Desnoyers
2011-09-15  5:38 ` [ltt-dev] [PATCH 03/10] use get_cpu_call_rcu_data() for get_call_rcu_data() Lai Jiangshan
2011-09-15 15:08   ` Mathieu Desnoyers
2011-09-15  5:38 ` [ltt-dev] [PATCH 04/10] use cds_list_for_each_entry_safe() Lai Jiangshan
2011-09-15 15:11   ` Mathieu Desnoyers
2011-09-15  5:39 ` [ltt-dev] [PATCH 05/10] avoid memory leak in call_rcu_data_free() Lai Jiangshan
2011-09-15 15:14   ` Mathieu Desnoyers
2011-09-15  5:39 ` [ltt-dev] [PATCH 06/10] wake up default call_rcu thread after we move the leftover callbacks Lai Jiangshan
2011-09-15 15:16   ` Mathieu Desnoyers
2011-09-15  5:39 ` [ltt-dev] [PATCH 07/10] protect writing to per_cpu_call_rcu_data[*] Lai Jiangshan
2011-09-15 15:17   ` Mathieu Desnoyers [this message]
2011-09-15  5:39 ` [ltt-dev] [PATCH 08/10] Return -EEXIST when the old cpu call_rcu_data has not been removed Lai Jiangshan
2011-09-15 15:19   ` Mathieu Desnoyers
2011-09-15  5:39 ` [ltt-dev] [PATCH 09/10] avoid leaking crdp for failed path Lai Jiangshan
2011-09-15 15:21   ` Mathieu Desnoyers
2011-09-15 15:23 ` [ltt-dev] [PATCH 00/10] urcu,call_rcu: minior fixes, round1 Mathieu Desnoyers
2011-09-15 15:57   ` Paul E. McKenney
2011-09-16  3:33     ` Lai Jiangshan

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