Revert "console: implement lockdep support for console_lock"

This reverts commit daee779718a319ff9f83e1ba3339334ac650bb22.

I'll requeue this after the console locking fixes, so lockdep
is useful again for people until fbcon is fixed.

Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/kernel/printk.c b/kernel/printk.c
index 357f714..267ce78 100644 (file)
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -87,12 +87,6 @@ static DEFINE_SEMAPHORE(console_sem);
 struct console *console_drivers;
 EXPORT_SYMBOL_GPL(console_drivers);
 
-#ifdef CONFIG_LOCKDEP
-static struct lockdep_map console_lock_dep_map = {
-       .name = "console_lock"
-};
-#endif
-
 /*
  * This is used for debugging the mess that is the VT code by
  * keeping track if we have the console semaphore held. It's
@@ -1924,7 +1918,6 @@ void console_lock(void)
                return;
        console_locked = 1;
        console_may_schedule = 1;
-       mutex_acquire(&console_lock_dep_map, 0, 0, _RET_IP_);
 }
 EXPORT_SYMBOL(console_lock);
 
@@ -1946,7 +1939,6 @@ int console_trylock(void)
        }
        console_locked = 1;
        console_may_schedule = 0;
-       mutex_acquire(&console_lock_dep_map, 0, 1, _RET_IP_);
        return 1;
 }
 EXPORT_SYMBOL(console_trylock);
@@ -2107,7 +2099,6 @@ skip:
                local_irq_restore(flags);
        }
        console_locked = 0;
-       mutex_release(&console_lock_dep_map, 1, _RET_IP_);
 
        /* Release the exclusive_console once it is used */
        if (unlikely(exclusive_console))