Commit 51989b9f authored by Dave Jones's avatar Dave Jones Committed by Linus Torvalds

[PATCH] printk levels for spinlock debug

Signed-off-by: default avatarDave Jones <davej@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 0ad42352
......@@ -19,10 +19,11 @@ static void spin_bug(spinlock_t *lock, const char *msg)
if (xchg(&print_once, 0)) {
if (lock->owner && lock->owner != SPINLOCK_OWNER_INIT)
owner = lock->owner;
printk("BUG: spinlock %s on CPU#%d, %s/%d\n",
printk(KERN_EMERG "BUG: spinlock %s on CPU#%d, %s/%d\n",
msg, raw_smp_processor_id(),
current->comm, current->pid);
printk(" lock: %p, .magic: %08x, .owner: %s/%d, .owner_cpu: %d\n",
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,
......@@ -78,7 +79,8 @@ static void __spin_lock_debug(spinlock_t *lock)
/* lockup suspected: */
if (print_once) {
print_once = 0;
printk("BUG: spinlock lockup on CPU#%d, %s/%d, %p\n",
printk(KERN_EMERG "BUG: spinlock lockup on CPU#%d, "
"%s/%d, %p\n",
raw_smp_processor_id(), current->comm,
current->pid, lock);
dump_stack();
......@@ -120,8 +122,8 @@ static void rwlock_bug(rwlock_t *lock, const char *msg)
static long print_once = 1;
if (xchg(&print_once, 0)) {
printk("BUG: rwlock %s on CPU#%d, %s/%d, %p\n", msg,
raw_smp_processor_id(), current->comm,
printk(KERN_EMERG "BUG: rwlock %s on CPU#%d, %s/%d, %p\n",
msg, raw_smp_processor_id(), current->comm,
current->pid, lock);
dump_stack();
#ifdef CONFIG_SMP
......@@ -149,7 +151,8 @@ static void __read_lock_debug(rwlock_t *lock)
/* lockup suspected: */
if (print_once) {
print_once = 0;
printk("BUG: read-lock lockup on CPU#%d, %s/%d, %p\n",
printk(KERN_EMERG "BUG: read-lock lockup on CPU#%d, "
"%s/%d, %p\n",
raw_smp_processor_id(), current->comm,
current->pid, lock);
dump_stack();
......@@ -221,7 +224,8 @@ static void __write_lock_debug(rwlock_t *lock)
/* lockup suspected: */
if (print_once) {
print_once = 0;
printk("BUG: write-lock lockup on CPU#%d, %s/%d, %p\n",
printk(KERN_EMERG "BUG: write-lock lockup on CPU#%d, "
"%s/%d, %p\n",
raw_smp_processor_id(), current->comm,
current->pid, lock);
dump_stack();
......
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