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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-21 12:49:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-21 12:49:31 -0700
commit31b7eab27a314b153d8fa07ba9e9ec00a98141e1 (patch)
tree47415377d5f9bcf8c06e501f1636088548202edf /kernel/printk.c
parent1053e6bba091d9d18797f7789df6a7ef8735f20c (diff)
parent4ba053c04aece1f4734056f21b751eee47ea3fb1 (diff)
Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: lockdep: Check the depth of subclass lockdep: Add improved subclass caching affs: Use sema_init instead of init_MUTEX hfs: Convert tree_lock to mutex arm: Bcmring: semaphore cleanup printk: Make console_sem a semaphore not a pseudo mutex drivers/macintosh/adb: Do not claim that the semaphore is a mutex parport: Semaphore cleanup irda: Semaphore cleanup net: Wan/cosa.c: Convert "mutex" to semaphore net: Ppp_async: semaphore cleanup hamradio: Mkiss: semaphore cleanup hamradio: 6pack: semaphore cleanup net: 3c527: semaphore cleanup input: Serio/hp_sdc: semaphore cleanup input: Serio/hil_mlc: semaphore cleanup input: Misc/hp_sdc_rtc: semaphore cleanup lockup_detector: Make callback function static lockup detector: Fix grammar by adding a missing "to" in the comments lockdep: Remove __debug_show_held_locks
Diffstat (limited to 'kernel/printk.c')
-rw-r--r--kernel/printk.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index 8fe465ac008..2531017795f 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -85,7 +85,7 @@ EXPORT_SYMBOL(oops_in_progress);
* provides serialisation for access to the entire console
* driver system.
*/
-static DECLARE_MUTEX(console_sem);
+static DEFINE_SEMAPHORE(console_sem);
struct console *console_drivers;
EXPORT_SYMBOL_GPL(console_drivers);
@@ -556,7 +556,7 @@ static void zap_locks(void)
/* If a crash is occurring, make sure we can't deadlock */
spin_lock_init(&logbuf_lock);
/* And make sure that we print immediately */
- init_MUTEX(&console_sem);
+ sema_init(&console_sem, 1);
}
#if defined(CONFIG_PRINTK_TIME)