Merge branch 'for-rmk-devel' of git://git.pengutronix.de/git/imx/linux-2.6 into devel

Conflicts:
	arch/arm/Kconfig
	arch/arm/Makefile

5 files changed, 23 insertions, 15 deletions

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 7e2e7dd4cd2..2734eca5924 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -109,10 +109,9 @@ int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask)
         spin_lock_irqsave(&desc->lock, flags);
 
 #ifdef CONFIG_GENERIC_PENDING_IRQ
-        if (desc->status & IRQ_MOVE_PCNTXT || desc->status & IRQ_DISABLED) {
-                cpumask_copy(desc->affinity, cpumask);
+        if (desc->status & IRQ_MOVE_PCNTXT)
                 desc->chip->set_affinity(irq, cpumask);
-        } else {
+        else {
                 desc->status |= IRQ_MOVE_PENDING;
                 cpumask_copy(desc->pending_mask, cpumask);
         }
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index b0f01186696..accb40cdb12 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2490,13 +2490,20 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this,
 void lockdep_init_map(struct lockdep_map *lock, const char *name,
                       struct lock_class_key *key, int subclass)
 {
-        if (unlikely(!debug_locks))
+        lock->class_cache = NULL;
+#ifdef CONFIG_LOCK_STAT
+        lock->cpu = raw_smp_processor_id();
+#endif
+
+        if (DEBUG_LOCKS_WARN_ON(!name)) {
+                lock->name = "NULL";
                 return;
+        }
+
+        lock->name = name;
 
         if (DEBUG_LOCKS_WARN_ON(!key))
                 return;
-        if (DEBUG_LOCKS_WARN_ON(!name))
-                return;
         /*
          * Sanity check, the lock-class key must be persistent:
          */
@@ -2505,12 +2512,11 @@ void lockdep_init_map(struct lockdep_map *lock, const char *name,
                 DEBUG_LOCKS_WARN_ON(1);
                 return;
         }
-        lock->name = name;
         lock->key = key;
-        lock->class_cache = NULL;
-#ifdef CONFIG_LOCK_STAT
-        lock->cpu = raw_smp_processor_id();
-#endif
+
+        if (unlikely(!debug_locks))
+                return;
+
         if (subclass)
                 register_lock_class(lock, subclass, 1);
 }
diff --git a/kernel/panic.c b/kernel/panic.c
index 934fb377f4b..3dcaa166135 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -221,7 +221,7 @@ void add_taint(unsigned flag)
          * post-warning case.
          */
         if (flag != TAINT_CRAP && flag != TAINT_WARN && __debug_locks_off())
-                printk(KERN_WARNING "Disabling lockdep due to kernel taint\n");
+                printk(KERN_WARNING "Disabling lock debugging due to kernel taint\n");
 
         set_bit(flag, &tainted_mask);
 }
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index dfcd83ceee3..0692ab5a0d6 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -188,7 +188,7 @@ int ptrace_attach(struct task_struct *task)
         /* Protect exec's credential calculations against our interference;
          * SUID, SGID and LSM creds get determined differently under ptrace.
          */
-        retval = mutex_lock_interruptible(&current->cred_exec_mutex);
+        retval = mutex_lock_interruptible(&task->cred_exec_mutex);
         if (retval  < 0)
                 goto out;
 
@@ -232,7 +232,7 @@ repeat:
 bad:
         write_unlock_irqrestore(&tasklist_lock, flags);
         task_unlock(task);
-        mutex_unlock(&current->cred_exec_mutex);
+        mutex_unlock(&task->cred_exec_mutex);
 out:
         return retval;
 }
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index e3d2c7dd59b..ea78fa101ad 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -103,6 +103,9 @@ static unsigned long one_ul = 1;
 static int one_hundred = 100;
 static int one_thousand = 1000;
 
+/* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */
+static unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
+
 /* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
 static int maxolduid = 65535;
 static int minolduid;
@@ -1006,7 +1009,7 @@ static struct ctl_table vm_table[] = {
                 .mode           = 0644,
                 .proc_handler   = &dirty_bytes_handler,
                 .strategy       = &sysctl_intvec,
-                .extra1         = &one_ul,
+                .extra1         = &dirty_bytes_min,
         },
         {
                 .procname       = "dirty_writeback_centisecs",