Messages in this thread Patch in this message | | | From | Davidlohr Bueso <> | Subject | [PATCH 1/5] locking/rwsem: Use task->state helpers | Date | Fri, 30 Jan 2015 01:14:23 -0800 |
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Call __set_task_state() instead of assigning the new state directly. These interfaces also aid CONFIG_DEBUG_ATOMIC_SLEEP environments, keeping track of who last changed the state.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de> --- kernel/locking/rwsem-spinlock.c | 2 +- kernel/locking/rwsem-xadd.c | 3 +-- 2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/kernel/locking/rwsem-spinlock.c b/kernel/locking/rwsem-spinlock.c index 2c93571..2555ae1 100644 --- a/kernel/locking/rwsem-spinlock.c +++ b/kernel/locking/rwsem-spinlock.c @@ -154,7 +154,7 @@ void __sched __down_read(struct rw_semaphore *sem) set_task_state(tsk, TASK_UNINTERRUPTIBLE); } - tsk->state = TASK_RUNNING; + __set_task_state(tsk, TASK_RUNNING); out: ; } diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c index 7628c3f..2f7cc40 100644 --- a/kernel/locking/rwsem-xadd.c +++ b/kernel/locking/rwsem-xadd.c @@ -242,8 +242,7 @@ struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem) schedule(); } - tsk->state = TASK_RUNNING; - + __set_task_state(tsk, TASK_RUNNING); return sem; } EXPORT_SYMBOL(rwsem_down_read_failed); -- 2.1.4
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