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| author | Davidlohr Bueso <dave@stgolabs.net> | 2016-08-05 10:04:44 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-08-18 15:37:07 +0200 |
| commit | c2867bbaf5d8f1534cae15175a389c5cbf58fec1 (patch) | |
| tree | fcd1ef3017a870360c84357f103dd5891a8e8714 /kernel/locking/rwsem-xadd.c | |
| parent | locking/rwsem: Return void in __rwsem_mark_wake() (diff) | |
| download | linux-c2867bbaf5d8f1534cae15175a389c5cbf58fec1.tar.xz linux-c2867bbaf5d8f1534cae15175a389c5cbf58fec1.zip | |
locking/rwsem: Remove a few useless comments
Our rwsem code (xadd, at least) is rather well documented, but
there are a few really annoying comments in there that serve
no purpose and we shouldn't bother with them.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman.Long@hp.com
Cc: dave@stgolabs.net
Cc: jason.low2@hpe.com
Cc: wanpeng.li@hotmail.com
Link: http://lkml.kernel.org/r/1470384285-32163-3-git-send-email-dave@stgolabs.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking/rwsem-xadd.c')
| -rw-r--r-- | kernel/locking/rwsem-xadd.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c index b03623172277..e02fe3289b5a 100644 --- a/kernel/locking/rwsem-xadd.c +++ b/kernel/locking/rwsem-xadd.c @@ -234,7 +234,6 @@ struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem) struct task_struct *tsk = current; WAKE_Q(wake_q); - /* set up my own style of waitqueue */ waiter.task = tsk; waiter.type = RWSEM_WAITING_FOR_READ; @@ -613,7 +612,6 @@ struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem) raw_spin_lock_irqsave(&sem->wait_lock, flags); locked: - /* do nothing if list empty */ if (!list_empty(&sem->wait_list)) __rwsem_mark_wake(sem, RWSEM_WAKE_ANY, &wake_q); @@ -637,7 +635,6 @@ struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem) raw_spin_lock_irqsave(&sem->wait_lock, flags); - /* do nothing if list empty */ if (!list_empty(&sem->wait_list)) __rwsem_mark_wake(sem, RWSEM_WAKE_READ_OWNED, &wake_q); |