On Wed, 07 May 2014 09:54:07 +0200
Mike Galbraith <umgwanakikbuti@xxxxxxxxx> wrote:
>
> rt-rw-lockdep-annotations.patch missed an rwlock_acquire_read()
>
> Signed-off-by: Mike Galbraith <umgwanakikbuti@xxxxxxxxx>
> ---
> kernel/locking/rt.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> --- a/kernel/locking/rt.c
> +++ b/kernel/locking/rt.c
> @@ -244,13 +244,12 @@ void __lockfunc rt_read_lock(rwlock_t *r
> {
> struct rt_mutex *lock = &rwlock->lock;
>
> -
> /*
> * recursive read locks succeed when current owns the lock
> */
> if (rt_mutex_owner(lock) != current) {
> migrate_disable();
> - rwlock_acquire_read(&rwlock->dep_map, 0, 0, _RET_IP_);
> + rwlock_acquire(&rwlock->dep_map, 0, 0, _RET_IP_);
> __rt_spin_lock(lock);
This looks like it reverse applies?
-- Steve
> }
> rwlock->read_depth++;
>
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