With 2.6.13-rt4 I had to do the following in order to get my paired down
config booting on my x86 whitebox (defconfig works fine, after I enable
enet/8250_console/nfsroot).  Daniel Walker helped me trace this down.

Signed-off-by: Tom Rini <[EMAIL PROTECTED]>

--- linux-2.6.13/kernel/rt.c    2005-09-02 12:39:02.000000000 -0700
+++ linux-2.6.13/kernel/rt.c    2005-09-02 12:24:04.000000000 -0700
@@ -736,8 +736,8 @@
        if (old_owner == new_owner)
                return;
 
-       TRACE_BUG_ON_LOCKED(!spin_is_locked(&old_owner->task->pi_lock));
-       TRACE_BUG_ON_LOCKED(!spin_is_locked(&new_owner->task->pi_lock));
+       TRACE_BUG_ON_LOCKED(spin_is_locked(&old_owner->task->pi_lock));
+       TRACE_BUG_ON_LOCKED(spin_is_locked(&new_owner->task->pi_lock));
        plist_for_each_safe(curr1, next1, &old_owner->task->pi_waiters) {
                w = plist_entry(curr1, struct rt_mutex_waiter, pi_list);
                if (w->lock == lock) {
@@ -770,8 +770,8 @@
                return;
        }
 
-       TRACE_BUG_ON_LOCKED(!spin_is_locked(&lock->wait_lock));
-       TRACE_BUG_ON_LOCKED(!spin_is_locked(&p->pi_lock));
+       TRACE_BUG_ON_LOCKED(spin_is_locked(&lock->wait_lock));
+       TRACE_BUG_ON_LOCKED(spin_is_locked(&p->pi_lock));
 #ifdef CONFIG_RT_DEADLOCK_DETECT
        pi_prio++;
        if (p->policy != SCHED_NORMAL && prio > normal_prio(p)) {
@@ -967,8 +967,8 @@
        /*
         * Add SCHED_NORMAL tasks to the end of the waitqueue (FIFO):
         */
-       TRACE_BUG_ON_LOCKED(!spin_is_locked(&task->pi_lock));
-       TRACE_BUG_ON_LOCKED(!spin_is_locked(&lock->wait_lock));
+       TRACE_BUG_ON_LOCKED(spin_is_locked(&task->pi_lock));
+       TRACE_BUG_ON_LOCKED(spin_is_locked(&lock->wait_lock));
 #if !ALL_TASKS_PI
        if (!rt_task(task)) {
                plist_add(&waiter->list, &lock->wait_list);
@@ -1070,7 +1070,7 @@
        struct rt_mutex_waiter *waiter = NULL;
        struct thread_info *new_owner;
 
-       TRACE_BUG_ON_LOCKED(!spin_is_locked(&lock->wait_lock));
+       TRACE_BUG_ON_LOCKED(spin_is_locked(&lock->wait_lock));
        /*
         * Get the highest prio one:
         *

-- 
Tom Rini
http://gate.crashing.org/~trini/
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to