X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fspinlock_debug.c;h=9c4b0256490bd240b37f8811915e873463c88537;hb=860da5e578c25d1ab4528c0d1ad13f9969e3490f;hp=dafaf1de2491aedb0a323aed4951e5084e58e18c;hpb=82965addad66fce61a92c5f03104ea90b0b87124;p=pandora-kernel.git

diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c
index dafaf1de2491..9c4b0256490b 100644
--- a/lib/spinlock_debug.c
+++ b/lib/spinlock_debug.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/spinlock.h>
+#include <linux/nmi.h>
 #include <linux/interrupt.h>
 #include <linux/debug_locks.h>
 #include <linux/delay.h>
@@ -20,7 +21,7 @@ void __spin_lock_init(spinlock_t *lock, const char *name,
 	 * Make sure we are not reinitializing a held lock:
 	 */
 	debug_check_no_locks_freed((void *)lock, sizeof(*lock));
-	lockdep_init_map(&lock->dep_map, name, key);
+	lockdep_init_map(&lock->dep_map, name, key, 0);
 #endif
 	lock->raw_lock = (raw_spinlock_t)__RAW_SPIN_LOCK_UNLOCKED;
 	lock->magic = SPINLOCK_MAGIC;
@@ -38,7 +39,7 @@ void __rwlock_init(rwlock_t *lock, const char *name,
 	 * Make sure we are not reinitializing a held lock:
 	 */
 	debug_check_no_locks_freed((void *)lock, sizeof(*lock));
-	lockdep_init_map(&lock->dep_map, name, key);
+	lockdep_init_map(&lock->dep_map, name, key, 0);
 #endif
 	lock->raw_lock = (raw_rwlock_t) __RAW_RW_LOCK_UNLOCKED;
 	lock->magic = RWLOCK_MAGIC;
@@ -59,12 +60,12 @@ static void spin_bug(spinlock_t *lock, const char *msg)
 		owner = lock->owner;
 	printk(KERN_EMERG "BUG: spinlock %s on CPU#%d, %s/%d\n",
 		msg, raw_smp_processor_id(),
-		current->comm, current->pid);
+		current->comm, task_pid_nr(current));
 	printk(KERN_EMERG " lock: %p, .magic: %08x, .owner: %s/%d, "
 			".owner_cpu: %d\n",
 		lock, lock->magic,
 		owner ? owner->comm : "<none>",
-		owner ? owner->pid : -1,
+		owner ? task_pid_nr(owner) : -1,
 		lock->owner_cpu);
 	dump_stack();
 }
@@ -115,8 +116,11 @@ static void __spin_lock_debug(spinlock_t *lock)
 			printk(KERN_EMERG "BUG: spinlock lockup on CPU#%d, "
 					"%s/%d, %p\n",
 				raw_smp_processor_id(), current->comm,
-				current->pid, lock);
+				task_pid_nr(current), lock);
 			dump_stack();
+#ifdef CONFIG_SMP
+			trigger_all_cpu_backtrace();
+#endif
 		}
 	}
 }
@@ -157,7 +161,7 @@ static void rwlock_bug(rwlock_t *lock, const char *msg)
 
 	printk(KERN_EMERG "BUG: rwlock %s on CPU#%d, %s/%d, %p\n",
 		msg, raw_smp_processor_id(), current->comm,
-		current->pid, lock);
+		task_pid_nr(current), lock);
 	dump_stack();
 }