On 16/04/05, Paul Moore wrote:
> From: Paul Moore <[email protected]>
> 
> Remove the calls to __set_current_state() to mark the task as running
> and do some related cleanup in wait_for_auditd() to limit the amount
> of work we do when we aren't going to reschedule the current task.

Wow, the logic of this goes back to 9ad9ad38 (2005-06-22, AUDIT: Wait
for backlog to clear when generating messages.)

> Signed-off-by: Paul Moore <[email protected]>

These changes look good to me.

> ---
>  kernel/audit.c |   12 +++++-------
>  1 file changed, 5 insertions(+), 7 deletions(-)
> 
> diff --git a/kernel/audit.c b/kernel/audit.c
> index 3a3e5de..f52fbef 100644
> --- a/kernel/audit.c
> +++ b/kernel/audit.c
> @@ -430,7 +430,6 @@ restart:
>                                       attempts, audit_pid);
>                               set_current_state(TASK_INTERRUPTIBLE);
>                               schedule();
> -                             __set_current_state(TASK_RUNNING);
>                               goto restart;
>                       }
>               }
> @@ -1324,15 +1323,14 @@ static inline void audit_get_stamp(struct 
> audit_context *ctx,
>  static long wait_for_auditd(long sleep_time)
>  {
>       DECLARE_WAITQUEUE(wait, current);
> -     set_current_state(TASK_UNINTERRUPTIBLE);
> -     add_wait_queue_exclusive(&audit_backlog_wait, &wait);
>  
>       if (audit_backlog_limit &&
> -         skb_queue_len(&audit_skb_queue) > audit_backlog_limit)
> +         skb_queue_len(&audit_skb_queue) > audit_backlog_limit) {
> +             add_wait_queue_exclusive(&audit_backlog_wait, &wait);
> +             set_current_state(TASK_UNINTERRUPTIBLE);
>               sleep_time = schedule_timeout(sleep_time);
> -
> -     __set_current_state(TASK_RUNNING);
> -     remove_wait_queue(&audit_backlog_wait, &wait);
> +             remove_wait_queue(&audit_backlog_wait, &wait);
> +     }
>  
>       return sleep_time;
>  }

- RGB

--
Richard Guy Briggs <[email protected]>
Senior Software Engineer, Kernel Security, AMER ENG Base Operating Systems, Red 
Hat
Remote, Ottawa, Canada
Voice: +1.647.777.2635, Internal: (81) 32635, Alt: +1.613.693.0684x3545

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