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audit: we don't need to __set_current_state(TASK_RUNNING) 

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.

Signed-off-by: Paul Moore <paul@paul-moore.com>
hifive-unleashed-5.1
Paul Moore 2016-04-04 16:44:02 -04:00
parent 0bf676d1fd
commit 7ffb8e317b
1 changed files with 5 additions and 7 deletions
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12
kernel/audit.c
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@ -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;
}