linux-kernel - [PATCH] wait: remove wait_event_interruptible_lock_irq

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Message-Id: <20200320202355.27157-1-guoqing.jiang@cloud.ionos.com>
Date:   Fri, 20 Mar 2020 21:23:55 +0100
From:   Guoqing Jiang <guoqing.jiang@...ud.ionos.com>
To:     mingo@...hat.com, peterz@...radead.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de
Cc:     linux-kernel@...r.kernel.org,
        Guoqing Jiang <guoqing.jiang@...ud.ionos.com>
Subject: [PATCH] wait: remove wait_event_interruptible_lock_irq_cmd

Remove this function since it is not used.

Signed-off-by: Guoqing Jiang <guoqing.jiang@...ud.ionos.com>
---
 include/linux/wait.h | 34 ----------------------------------
 1 file changed, 34 deletions(-)

diff --git a/include/linux/wait.h b/include/linux/wait.h
index 3283c8d02137..e7fee8d1ac60 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -1003,40 +1003,6 @@ do {										\
 		      schedule();						\
 		      spin_lock_irq(&lock))
 
-/**
- * wait_event_interruptible_lock_irq_cmd - sleep until a condition gets true.
- *		The condition is checked under the lock. This is expected to
- *		be called with the lock taken.
- * @wq_head: the waitqueue to wait on
- * @condition: a C expression for the event to wait for
- * @lock: a locked spinlock_t, which will be released before cmd and
- *	  schedule() and reacquired afterwards.
- * @cmd: a command which is invoked outside the critical section before
- *	 sleep
- *
- * The process is put to sleep (TASK_INTERRUPTIBLE) until the
- * @condition evaluates to true or a signal is received. The @condition is
- * checked each time the waitqueue @wq_head is woken up.
- *
- * wake_up() has to be called after changing any variable that could
- * change the result of the wait condition.
- *
- * This is supposed to be called while holding the lock. The lock is
- * dropped before invoking the cmd and going to sleep and is reacquired
- * afterwards.
- *
- * The macro will return -ERESTARTSYS if it was interrupted by a signal
- * and 0 if @condition evaluated to true.
- */
-#define wait_event_interruptible_lock_irq_cmd(wq_head, condition, lock, cmd)	\
-({										\
-	int __ret = 0;								\
-	if (!(condition))							\
-		__ret = __wait_event_interruptible_lock_irq(wq_head,		\
-						condition, lock, cmd);		\
-	__ret;									\
-})
-
 /**
  * wait_event_interruptible_lock_irq - sleep until a condition gets true.
  *		The condition is checked under the lock. This is expected
-- 
2.17.1