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sched/wait: Deduplicate code with do-while

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Statements in the loop's body and before it are identical.
Use do-while to not repeat it.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/43ffea6ee2152b90dedf962eac851609e4197218.1560256112.git.asml.silence@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Pavel Begunkov 2019-06-11 15:29:07 +03:00 committed by Ingo Molnar
parent 8ec59c0f5f
commit 016190a4b5
1 changed files with 2 additions and 6 deletions
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8
kernel/sched/wait.c
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@ -118,16 +118,12 @@ static void __wake_up_common_lock(struct wait_queue_head *wq_head, unsigned int
bookmark.func = NULL;
INIT_LIST_HEAD(&bookmark.entry);
spin_lock_irqsave(&wq_head->lock, flags);
nr_exclusive = __wake_up_common(wq_head, mode, nr_exclusive, wake_flags, key, &bookmark);
spin_unlock_irqrestore(&wq_head->lock, flags);
while (bookmark.flags & WQ_FLAG_BOOKMARK) {
do {
spin_lock_irqsave(&wq_head->lock, flags);
nr_exclusive = __wake_up_common(wq_head, mode, nr_exclusive,
wake_flags, key, &bookmark);
spin_unlock_irqrestore(&wq_head->lock, flags);
}
} while (bookmark.flags & WQ_FLAG_BOOKMARK);
}
/**