From e3e8a75d2acfc61ebf25524666a0a2c6abb0620c Mon Sep 17 00:00:00 2001
From: Kirill Korotaev <dev@sw.ru>
Date: Sat, 10 Feb 2007 01:46:19 -0800
Subject: [PATCH] Extract and use wake_up_klogd()
Remove hack with printing space to wake up klogd. Use explicit
wake_up_klogd().
See earlier discussion
http://groups.google.com/group/fa.linux.kernel/browse_frm/thread/75f496668409f58d/1a8f28983a51e1ff?lnk=st&q=wake_up_klogd+group%3Afa.linux.kernel&rnum=2#1a8f28983a51e1ff
Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
kernel/printk.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
(limited to 'kernel/printk.c')
diff --git a/kernel/printk.c b/kernel/printk.c
index 3e79e18dce33..4da26b067976 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -783,6 +783,12 @@ int is_console_locked(void)
return console_locked;
}
+void wake_up_klogd(void)
+{
+ if (!oops_in_progress && waitqueue_active(&log_wait))
+ wake_up_interruptible(&log_wait);
+}
+
/**
* release_console_sem - unlock the console system
*
@@ -825,8 +831,8 @@ void release_console_sem(void)
console_locked = 0;
up(&console_sem);
spin_unlock_irqrestore(&logbuf_lock, flags);
- if (wake_klogd && !oops_in_progress && waitqueue_active(&log_wait))
- wake_up_interruptible(&log_wait);
+ if (wake_klogd)
+ wake_up_klogd();
}
EXPORT_SYMBOL(release_console_sem);
--
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