From: Davide Libenzi <davidel@xmailserver.org>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>, Ingo Molnar <mingo@elte.hu>,
David Miller <davem@davemloft.net>
Subject: [patch 1/7] epoll keyed wakeups - make __wake_up_locked accept a key parameter
Date: Fri, 30 Jan 2009 19:25:14 -0800 [thread overview]
Message-ID: <send-serie.davidel@xmailserver.org.16376.1233372315.1> (raw)
The following patch adds an extra "key" parameter to __wake_up_locked().
This allows the caller of this function (and all related macros) to
specify a key to be passed to the wakeup callbacks.
Signed-off-by: Davide Libenzi <davidel@xmailserver.org>
- Davide
---
include/linux/wait.h | 4 ++--
kernel/sched.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
Index: linux-2.6.mod/include/linux/wait.h
===================================================================
--- linux-2.6.mod.orig/include/linux/wait.h 2009-01-30 12:11:32.000000000 -0800
+++ linux-2.6.mod/include/linux/wait.h 2009-01-30 12:11:40.000000000 -0800
@@ -133,7 +133,7 @@ static inline void __remove_wait_queue(w
}
void __wake_up(wait_queue_head_t *q, unsigned int mode, int nr, void *key);
-extern void __wake_up_locked(wait_queue_head_t *q, unsigned int mode);
+extern void __wake_up_locked(wait_queue_head_t *q, unsigned int mode, void *key);
extern void __wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr);
void __wake_up_bit(wait_queue_head_t *, void *, int);
int __wait_on_bit(wait_queue_head_t *, struct wait_bit_queue *, int (*)(void *), unsigned);
@@ -146,7 +146,7 @@ wait_queue_head_t *bit_waitqueue(void *,
#define wake_up(x) __wake_up(x, TASK_NORMAL, 1, NULL)
#define wake_up_nr(x, nr) __wake_up(x, TASK_NORMAL, nr, NULL)
#define wake_up_all(x) __wake_up(x, TASK_NORMAL, 0, NULL)
-#define wake_up_locked(x) __wake_up_locked((x), TASK_NORMAL)
+#define wake_up_locked(x) __wake_up_locked((x), TASK_NORMAL, NULL)
#define wake_up_interruptible(x) __wake_up(x, TASK_INTERRUPTIBLE, 1, NULL)
#define wake_up_interruptible_nr(x, nr) __wake_up(x, TASK_INTERRUPTIBLE, nr, NULL)
Index: linux-2.6.mod/kernel/sched.c
===================================================================
--- linux-2.6.mod.orig/kernel/sched.c 2009-01-30 12:11:32.000000000 -0800
+++ linux-2.6.mod/kernel/sched.c 2009-01-30 12:11:40.000000000 -0800
@@ -4722,9 +4722,9 @@ EXPORT_SYMBOL(__wake_up);
/*
* Same as __wake_up but called with the spinlock in wait_queue_head_t held.
*/
-void __wake_up_locked(wait_queue_head_t *q, unsigned int mode)
+void __wake_up_locked(wait_queue_head_t *q, unsigned int mode, void *key)
{
- __wake_up_common(q, mode, 1, 0, NULL);
+ __wake_up_common(q, mode, 1, 0, key);
}
/**
reply other threads:[~2009-01-31 3:25 UTC|newest]
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