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    Subject[PATCH RFC tip/core/rcu 01/11] rcu: call __rcu_read_unlock() in exit_rcu for tiny RCU
    Date
    From: Lai Jiangshan <laijs@cn.fujitsu.com>

    Using __rcu_read_lock() in place of rcu_read_lock() leaves any debug
    state as it really should be, namely with the lock still held.

    Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
    Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
    ---
    kernel/rcutiny_plugin.h | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/kernel/rcutiny_plugin.h b/kernel/rcutiny_plugin.h
    index 015abae..3cb8e36 100644
    --- a/kernel/rcutiny_plugin.h
    +++ b/kernel/rcutiny_plugin.h
    @@ -852,7 +852,7 @@ void exit_rcu(void)
    if (t->rcu_read_lock_nesting == 0)
    return;
    t->rcu_read_lock_nesting = 1;
    - rcu_read_unlock();
    + __rcu_read_unlock();
    }

    #else /* #ifdef CONFIG_TINY_PREEMPT_RCU */
    --
    1.7.3.2


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