Commit-ID: 73105994c57d06e40a33ab5a716db04e898b4c05 Gitweb: http://git.kernel.org/tip/73105994c57d06e40a33ab5a716db04e898b4c05 Author: Davidlohr Bueso <d...@stgolabs.net> AuthorDate: Sun, 25 Jan 2015 23:36:04 -0800 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Wed, 4 Feb 2015 07:57:39 +0100
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: Davidlohr Bueso <dbu...@suse.de> Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org> Cc: "Paul E. McKenney" <paul...@linux.vnet.ibm.com> Cc: Jason Low <jason.l...@hp.com> Cc: Michel Lespinasse <wal...@google.com> Cc: Tim Chen <tim.c.c...@linux.intel.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Link: http://lkml.kernel.org/r/1422257769-14083-2-git-send-email-d...@stgolabs.net Signed-off-by: Ingo Molnar <mi...@kernel.org> --- 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); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
