From e3e8a75d2acfc61ebf25524666a0a2c6abb0620c Mon Sep 17 00:00:00 2001 From: Kirill Korotaev 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- 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); -- cgit v1.2.3-55-g7522