Commit 73105994 authored by Davidlohr Bueso's avatar Davidlohr Bueso Committed by Ingo Molnar

locking/rwsem: Use task->state helpers

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: default avatarDavidlohr Bueso <dbueso@suse.de>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Jason Low <jason.low2@hp.com>
Cc: Michel Lespinasse <walken@google.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1422257769-14083-2-git-send-email-dave@stgolabs.netSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 7c34e318
...@@ -154,7 +154,7 @@ void __sched __down_read(struct rw_semaphore *sem) ...@@ -154,7 +154,7 @@ void __sched __down_read(struct rw_semaphore *sem)
set_task_state(tsk, TASK_UNINTERRUPTIBLE); set_task_state(tsk, TASK_UNINTERRUPTIBLE);
} }
tsk->state = TASK_RUNNING; __set_task_state(tsk, TASK_RUNNING);
out: out:
; ;
} }
......
...@@ -242,8 +242,7 @@ struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem) ...@@ -242,8 +242,7 @@ struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem)
schedule(); schedule();
} }
tsk->state = TASK_RUNNING; __set_task_state(tsk, TASK_RUNNING);
return sem; return sem;
} }
EXPORT_SYMBOL(rwsem_down_read_failed); EXPORT_SYMBOL(rwsem_down_read_failed);
......
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